The following list of publications represents the work done by Robert J. McMahon and/or his graduate and undergraduate students from 1981 to date. If you do not have access to the full article, please feel free to email Bob McMahon or any group member for a copy.
| 2024 | 2023 | 2022 | 2021 |
| 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 |
| 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 |
| 2000 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | 1993 | 1992 | 1991 |
| 1990 | 1989 | 1988 | 1987 | 1986 | 1985 | 1984 | 1983 | 1982 | 1981 |
151. Kobayashi, M.; Kobayashi, K.; Esselman, B. J.; Woods, R. C.; McMahon, R. J.; Yamamoto, S.; Ozeki, H. The Rotational Spectroscopy of Dichloromethane (CH235Cl2) in the Ground State and ν4 Vibrationally Excited State from 11 to 750 GHz. J. Mol. Spectrosc. 2024, manuscript submitted.
150. Bunn, H. A.; Zdanovskaia, M. A.; Billinghurst, B. E.; Zhao, J.; Widicus Weaver, S. L.; Woods, R. C.; McMahon, R. J.; Esselman, B. J. Millimeter-wave and High-Resolution Infrared Spectroscopy of the Ground and Seven Lowest Fundamental States of 1H-1,2,4-triazole. J. Phys. Chem. A 2024, 128, 6927-6942. View Article
149. Styers, W. H.; Zdanovskaia, M. A.; Esselman, B. J.; Owen, A. N.; Kougias, S. M.; Billinghurst, B. E.; Zhao, J.; McMahon, R. J.; Woods, R. C. Millimeter-wave and High-Resolution Infrared Spectroscopy of 3-Furonitrile. J. Phys. Chem. A 2024, 128, 6084-6097. View Article
148. Wilson, K. D.; Styers, W. H.; Wood, S. A.; Woods, R. C.; McMahon, R. J.; Liu, Z.; Yang, Y.; Garand, E. Spectroscopic quantification of the inverted singlet-triplet gap in pentaazaphenalene. J. Am. Chem. Soc. 2024, 146, 15688-15692. View Article
147. Esselman, B. J.; Zdanovskaia, M. A.; Amberger, B. K.; Shutter, J. D.; Owen, A. N.; Billinghurst, B. E.; Zhao, J.; Kisiel, Z.; Woods, R. C.; McMahon, R. J. Millimeter-wave and High-resolution Infrared Spectroscopy of the Low-lying Vibrational States of Pyridazine Isotopologues. J. Chem. Phys. 2024, 160, 194301. View Article
146. Jean, D. R.; Wood, S. A.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. Rotational Spectroscopy of 1-Cyano-2-methylenecyclopropane (C5H5N) – A Newly Synthesized Pyridine Isomer. J. Phys. Chem. A, 2024, 128, 1417-1426. View Article
145. Wood, S. A.; Esselman, B. J.; Kougias, S. M.; Woods, R. C.; McMahon, R. J. Photoisomerism of (Cyanomethylene)cyclopropane (C5H5N) to 1-Cyano-2-methylenecyclopropane in an Argon Matrix. J. Phys. Chem. A, 2024, 128, 1427-1437. View Article
144. Esselman, B. J.; Pimentel, E. B.; Styers, W. H.; Jean, D. R.; Woods, R. C.; McMahon, R. J. The 235 – 360 GHz Rotational Spectrum of 1-Oxaspiro[2.5]octa-4,7-dien-6-one – Analysis of the Ground Vibrational State and its Ten Lowest-Energy Vibrationally Excited States. J. Phys. Chem. A 2024, 128, 191-203. View Article
143. Pharr, C. R.; Esselman, B. J.; McMahon, R. J. Photochemistry of 1-(2- and 3-Thineyl)diazoethanes: Spectroscopy and Tunneling Reaction of Triplet 1-(3-Thienyl)ethylidene. J. Org. Chem. 2023, 88, 16176-16185. View Article
142. Wood, S. A.; Drier, T. O.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. Ketene Lamp. Fusion, 2023, LXXI.4, 21-29. View Article
141. Dorman, P. M.; Esselman, B. J.; Zdanovskaia, M. A.; Woods, R. C.; McMahon, R. J. The 130 – 750 GHz Rotational Spectrum of 2-Cyanopyridine – Analysis of the Ground Vibrational State and the Coriolis-Coupled Dyad of its Lowest-Energy Fundamental States. J. Mol. Spectrosc. 2023, 398, 111942. View Article
140. Esselman, B. J.; Zdanovskaia, M. A.; Owen, A. N.; Stanton, J. F.; Woods, R. C.; McMahon, R. J. Precise Equilibrium Structure of Benzene. J. Am. Chem. Soc. 2023, 145 (40), 21785-21797. View Article
139. Smith, H. H.; Esselman, B. J.; Wood, S. A.; Stanton, J. F.; Woods, R. C.; McMahon, R. J. Improved Semi-experimental Equilibrium Structure and High-Level Theoretical Structures of Ketene. J. Chem Phys. 2023, 158, 244304. View Article
138. Owen, A. N.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. Carbon Condensation via [4+2] Cycloaddition of Highly Unsaturated Carbon Chains. J. Phys. Chem. A, 2023, 127, 4277-4290. View Article
137. Dorman, P. M.; Esselman, B. J.; Changala, P. B.; McCarthy, M. C.; Woods, R. C.; McMahon, R. J. Rotational Spectra of Twenty-One Vibrational States of [35Cl]- and [37Cl]-Chlorobenzene. J. Mol. Spectrosc. 2023, 394, 111776. View Article
136. Esselman, B. J.; Zdanovskaia, M. A.; Styers, W. H.; Owen, A. N.; Kougias, S. M.; Billinghurst, B. E.; Zhao, J.; Woods, R. C.; McMahon, R. J. The Millimeter-wave and High-Resolution Infrared Spectroscopy of 2-Furonitrile – A Highly Polar Substituted Furan. J. Phys. Chem. A, 2023, 127, 1909-1922. View Article
135. Smith, H. H.; Esselman, B. J.; Zdanovskaia, M. A.; Woods, R. C.; McMahon, R. J. The 130-500 GHz Rotational Spectroscopy of 2-Cyanopyrimidine. J. Mol. Spec. J. Mol. Spectrosc. 2023, 391, 111737. View Article
134. Zdanovskaia, M. A.; Franke, P. R.; Esselman, B. J.; Billinghurst, B. E.; Zhao, J.; Stanton, J. F.; Woods, R. C.; McMahon, R. J. Vibrationally Excited States of 1H- and 2H-1,2,3-Triazole Isotopologues Analyzed by Millimeter-wave and High-Resolution Infrared Spectroscopy with Approximate State-Specific Quartic Distortion Constants. J. Chem. Phys. 2023, 158, 044301. View Article
133. Nunes, C.; Roque, J. P. L.; Doddipatla, S.; Wood, S. A.; McMahon, R. J.; Fausto, R. Simultaneous Tunneling Control in Conformer Specific Reactions. J. Am. Chem. Soc. 2022, 144, 20866-20874. View Article
132. Bunn, H. A.; Esselman, B. J.; Franke, P. R.; Kougias, S. M.; McMahon, R. J.; Stanton, J. F.; Widicus Weaver, S. L.; Woods, R. C. Millimeter/Submillimeter Wave Spectroscopy and Semi-Experimental Equilibrium (reSE) Structure of 1H-1,2,4-Triazole (c-C2H3N3). J. Phys. Chem. A 2022, 126, 8196-8210. View Article
131. Esselman, B. J.; Zdanovskaia, M. A.; Smith, H. H.; Woods, R. C.; McMahon, R. J. The 130 to 500 GHz Rotational Spectroscopy of Cyanopyrazine (p-C4H3N2-CN). J. Mol. Spectrosc. 2022, 389, 111703. View Article
130. Fortenberry, R. C.; McMahon, R. J.; Kaiser, R. I. 10 Years of the ACS PHYS Astrochemistry Subdivision. J. Phys. Chem. A 2022, 126, 6571-6574. View Article
129. Zdanovskaia, M. A.; Esselman, B. J.; Kougias, S. M.; Amberger, B. K.; Stanton, J. F.; Woods, R. C.; McMahon, R. J. Precise Equilibrium Structures of 1H- and 2H-1,2,3-Triazoles (C2H3N3) by Millimeter-wave Spectroscopy. J. Chem. Phys. 2022, 157, 084305. View Article
128. Esselman, B. J.; Kougias, S. M.; Fellows, M. D.; Woods, R. C.; McMahon, R. J. The 130 – 360 GHz Rotational Spectrum of Isocyanocyclobutane (C4H7NC) and Cyanocyclobutane (C4H7CN). J. Mol. Spectrosc. 2022, 388, 111384. View Article
127. Owen, A. N., Sahoo, N. P.; Esselman, B. J.; Stanton, J. F.; Woods, R. C.; McMahon, R. J. Semi-Experimental Equilibrium (reSE) and Theoretical Structures of Hydrazoic acid (HN3). J. Chem. Phys. 2022, 157, 034303. View Article
126. Smith, H. H.; Kougias, S. M.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. Synthesis Purification, and Rotational Spectroscopy of 1-Cyanocyclobutene (C5H5N). J. Phys. Chem. A 2022, 126, (12), 1980-1993. View Article
125. Dorman, P. M.; Esselman, B. J.; Changala, P. B.; Kougias, S. M.; McCarthy, M. C.; Woods, R. C.; McMahon, R. J. Rotational Spectrum of anti- and gauche-4-Cyano-1-Butyne (C5H5N) – an Open-Chain Isomer of Pyridine. J. Mol. Spectrosc. 2022, 385, 111604. View Article
124. Zdanovskaia, M. A.; Martin-Drumel, M.-A.; Kisiel, Z.; Pirali, O.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. The Eight Lowest-Energy Vibrational States of Benzonitrile: Analysis of Coriolis and Darling-Dennison Coupling by Millimeter-wave and Far-Infrared Spectroscopy. J. Mol. Spectrosc. 2022, 383, 111568. View Article
123. Owen, A. N., Zdanovskaia, M. A.; Esselman, B. J.; Stanton, J. F.; Woods, R. C.; McMahon, R. J. Semi-Experimental Equilibrium (reSE) and Theoretical Structures of Pyridazine (o-C4H4N2). J. Phys. Chem. A 2021, 125 (36), 7976-7987. View Article
122. Zdanovskaia, M. A.; Esselman, B. J.; Kougias, S.M.; Patel, A. R.; Woods, R. C.; McMahon, R. J. The 130 – 360 GHz Rotational Spectrum of syn-2-Cyano-1,3-Butadiene (C5H5N) – A Molecule of Astrochemical Relevance. Mol. Phys. 2021, 119, e1964629. View Article
121. Esselman, B. J.; Zdanovskaia, M. A.; Owen, A.N.; Stanton, J. F.; Woods, R. C.; McMahon, R. J. Precise Equilibrium Structure of Thiazole (c-C3H3NS) from Twenty-Four Isotopologues. J. Chem. Phys. 2021, 155, 054302. View Article
120. Orr, V. L.; Ichikawa, Y.; Patel, A. R.; Kougias, S.M.; Kobayashi, K.; Stanton, J. F.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. Precise Equilibrium Structure Determination of Thiophene (C4H4S) by Rotational Spectroscopy – Structure of a Five-Membered Heterocycle Containing a Third-Row Atom. J. Chem. Phys. 2021, 154, 244310. View Article
119. Esselman, B. J.; Kougias, S. M.; Zdanovskaia, M. A.; Woods, R. C.; McMahon, R. J. Synthesis, Purification, and Rotational Spectroscopy of (Cyanomethylene)Cyclopropane – An Isomer of Pyridine. J. Phys. Chem. A 2021, 125, 5601-5614. View Article
118. Zdanovskaia, M. A.; Dorman, P. M.; Orr, V. L.; Owen, A. N.; Kougias, S. M.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. Rotational Spectra of Three Cyanobutadiene Isomers (C5H5N) of Relevance to Astrochemistry and Other Harsh Reaction Environments. J. Am Chem. Soc. 2021, 143, 9551-9564. View Article
117. Esselman, B. J.; Zdanovskaia, M. A.; Adkins, T. K.; Billinghurst, B. E.; Zhao, J.; Woods, R. C.; McMahon, R. J. Millimeter-Wave and Infrared Spectroscopy of Thiazole in its Ground State and Lowest-Energy Vibrationally Excited States (ν18, ν17, and ν13). J. Mol. Spectrosc. 2021, 379, 111493. View Article116. Dorman, P. M., Esselman, B. J., Woods, R. C., McMahon, R. J. An Analysis of the Rotational Ground State and Lowest-Energy Vibrationally-Excited Dyad of 3-Cyanopyridine: Low Symmetry Reveals Rich Complexity of Perturbations, Couplings, and Interstate Transitions. J. Mol. Spectrosc. 2020, 373, 111373. View Article
115. Nunes, C. M., Viegas, L. P., Wood, S. A., Roque, J. P. L., McMahon, R. J., Fausto, R. Heavy-Atom Tunneling Through Crossing Potential Energy Surfaces: Cyclization of a Triplet 2-Formylarylnitrene to a Singlet 2,1-Benzisoxazole. 2020, Ang. Chem. Int. Ed. 59, 17622-17627. View Article
114. Kougias, S. M.; Knezz, S. N.; Owen, A. N.; Sanchez, R. A.; Hyland, G. E.; Lee, D. J.; Patel, A. R.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. Synthesis and Characterization of Cyanobutadiene Isomers – Molecules of Astrochemical Significance. J. Org. Chem. 2020, 85 (9), 5787-5798. View Article
113. Dorman, P. M.; Esselman, B. J.; Park, J. E.; Woods, R. C.; McMahon, R. J. Millimeter-Wave Spectrum of 4-Cyanopyridine in its Ground State and Lowest-Energy Vibrationally Excited Dyad, ν20 and ν30. J. Mol. Spectrosc. 2020, 369, 111274. View Article
112. Heim, Z. N.; Amberger, B. K.; Esselman, B. J.; Stanton, J. F.; Woods, R. C.; McMahon, R. J. Molecular Structure Determination: Equilibrium Structure of Pyrimidine (m-C4H4N2) from Rotational Spectroscopy (reSE) and High-Level Ab-initio Calculation (re) Agree within the Uncertainty of Experimental Measurement. J. Chem. Phys. 2020, 152, 104303. View Article
111. Schleif, T.; Mieres-Perez, J.; Henkel, S.; Mendez-Vega, E.; Inui, H.; McMahon, R. J.; Sander, W. Conformer-specific Heavy-Atom Tunneling in the Rearrangement of Benzazirines to Ketenimines. J. Org. Chem. 2019, 84, 16013-16018. View Article
110. Esselman, B. J.; Zdanovskaia, M. A.; Woods, R. C.; McMahon, R. J. Millimeter-wave Spectroscopy of the Chlorine Isotopologues of 2-Chloropyridine and Twenty-three of Their Vibrationally Excited States. J. Mol. Spectrosc. 2019, 365, 111206. View Article
109. Higgins, P. M.; Esselman, B. J.; Zdanovskaia, M. A.; Woods, R. C.; McMahon, R. J., Millimeter-Wave Spectroscopy of the Chlorine Isotopologues of Chloropyrazine and Twenty-two of their Vibrationally Excited States. J. Mol. Spectrosc. 2019, 364, 111179. View Article
108. Zdanovskaia, M. A.; Esselman, B. J.; Woods, R. C.; McMahon, R. J., The 130 – 370 GHz Rotational Spectrum of Phenyl Isocyanide (C6H5NC). J. Chem. Phys. 2019, 151, 024301. View Article
107. Zdanovskaia, M. A.; Esselman, B. J.; Lau, H. S.; Bates, D. M.; Woods, R. C.; McMahon, R. J.; Kisiel, Z. The 103 – 360 GHz Rotational Spectrum of Benzonitrile, the First Interstellar Benzene Derivative Detected by Radioastronomy. J. Mol. Spectrosc. 2018, 351, 39-48. View Article
106. Nunes, C. M.; Reva, I; Kozuch, S.; McMahon, R. J.; Fausto, R. Photochemistry of 2-Formylphenylnitrene: A Doorway to Heavy-Atom Tunneling of a Benzazirine to a Cyclic Ketenimine. J. Am. Chem. Soc. 2017, 139 (48), 17649-17659. View Article
105. Walters, N. A.; Amberger, B. K.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. Millimeter-wave Spectroscopy of syn Formyl Azide (HC(O)N3) in Seven Vibrational States. J. Mol. Spectrosc. 2017, 331, 71-81. View Article
104. Nunes, C. M.; Knezz, S. N.; Reva, I.; Fausto, R.; McMahon, R. J. Evidence of a Nitrene Tunneling Reaction: Spontaneous Rearrangement of 2‑Formyl Phenylnitrene to an Imino Ketene in Low‑Temperature Matrices. J. Am. Chem. Soc. 2016, 138 (47) 15287-15290. View Article
103. Orr, V. L.; Esselman, B. J.; Dorman, P. M.; Amberger, B. K.; Guzei, I. A.; Woods, R. C.; McMahon, R. J. Millimeter-wave Spectroscopy, X-ray Crystal Structure, and Quantum Chemical Studies of Diketene – Resolving Ambiguities Concerning the Structure of the Ketene Dimer. J. Phys. Chem. A. 2016, 120 (39), 7753-7763. View Article
102. Knezz, S. N.; Waltz, T. A.; Haenni, B. C.; Burrmann, N. J.; McMahon, R. J., Spectroscopy and Photochemistry of Triplet 1,3-Dimethylpropynylidene (Me‒C‒C‒C‒Me). J. Am. Chem. Soc. 2016, 138 (38), 12596-12604. View Article
101. Esselman, B. J.; Emmert, F. L. III; Wiederhold, A. J.; Thompson, S. J.; Slipchenko, L. V.; McMahon, R. J. Thermal Isomerizations of Diethynyl Cyclobutadienes and Implications for Fullerene Formation. J. Org. Chem. 2015, 80 (23), 11863-11868. View Article
100. Amberger, B. K.; Esselman, B. J.; Stanton, J. F.; Woods, R. C.; McMahon, R. J. Precise Equilibrium Structure Determination of Hydrazoic Acid (HN3) by Millimeter-wave Spectroscopy. J. Chem. Phys. 2015, 143, 104310. View Article
99. Li, H.; Li, D.; Zeng, X.; Liu, K.; Beckers, H.; Schaefer, H. F.; Esselman, B. J.; McMahon, R. J. Toward Understanding the Decomposition of Carbonyl Diazide, (N3)2C=O, and Formation of Diazirinone, Cyc-N2CO: Experiment and Computations. J. Phys. Chem. A 2015, 119 (33), 8903-8911. View Article
98. Osborn, D.L.; Vogelhuber, K. M.; Wren, S. W.; Miller, E. M.; Lu, Y.-J.; Case, A. S.; Sheps, L.; McMahon, R. J.; Stanton, J. F.; Harding, L. B.; Ruscic, B.; Lineberger, W. C. Electronic States of the Quasi-linear Molecule Propargylene (HCCCH) from Negative Ion Photoelectron Spectroscopy. J. Am. Chem. Soc. 2014, 136 (28), 10361-10372. View Article
97. Amberger, B. K.; Esselman, B. J.; Woods, R. C.; McMahon, R. J. Millimeter-wave spectroscopy of carbonyl diazide, OC(N3)2. J. Mol. Spectrosc. 2014, 295, 15-20. View Article
96. Esselman, B. J.; Amberger, B. K.; Shutter, J. D.; Daane, M. A.; Stanton, J. F. .; Woods, R.C; McMahon, R. J. Rotational Spectroscopy of Pyridazine and its Isotopologs from 235 – 360 GHz: Equilibrium Structure and Vibrational Satellites. J. Chem. Phys. 2013, 139 (22), 224304. View Article
95. Hiroshi, I.; Sawada, K.; Oishi, S.; Ushida, K.; McMahon, R. J. Aryl Nitrene Rearrangements: Spectroscopic Observation of a Benzazirine and Its Ring Expansion to a Ketenimine by Heavy-Atom Tunneling. J. Am. Chem. Soc. 2013, 135 (28), 10246-10249. View Article
94. Sepúlveda, A.; Swallen, S. F.; Kopff, L. A.; McMahon, R. J.; Ediger, M. D. Stable Glasses of Indomethacin and α,α,β-tris-Naphthylbenzene Transform into Ordinary Supercooled Liquids. J. Chem. Phys. 2012, 137, 204508. View Article
93. Nolan, A. M.; Amberger, B. K.; Esselman, B. J.; Thimmakondu, V. S.; Stanton, J. F. ; Woods, R. C.; McMahon, R. J. Carbonyl Diazide, OC(N3)2: Synthesis, Purification, and IR Spectrum. Inorg. Chem. 2012, 51, 9846-9851. View Article
92. Pharr, C. R.; Kopff, L. A.; Bennett, B.; Reid, S. A.; McMahon, R. J. Photochemistry of Furyl and Thienyl Diazomethanes: Spectroscopy and Characterization of Triplet 3-Thienyl Carbene. J. Am. Chem. Soc. 2012, 134, 6443-6454. View Article
91. Stanton, J. F.; Garand, E.; Kim, J.; Yacovitch, T. I.; Hock, C.; Case, A. S.; Miller, E. M.; Lu,Y. J. Vogelhuber, K. M.; Wren, S. W.; Ichino, T.; Maier, J. P.; McMahon, R. J.; Osborn, D. L.; Neumark, D. M.; Lineberger, W. C. Ground and Low-Lying Excited States of Propadienylidene (H2C=C=C:) Obtained by Negative Ion Photoelectron Spectroscopy. J. Chem. Phys. 2012, 136, 134312-134316. View Article
90. Dawson, K.; Kopff, L. A.; Zhu, L.; McMahon, R. J.; Yu, L.; Richert, R.; Ediger, M. D. Molecular Packing in Highly Stable Glasses of Vapor-Deposited Tris-naphthylbenzene Isomers. J. Chem. Phys. 2012, 136, 094505-094511. View Article
89. George, L.; Kalume, A.; Reid, S. A.; Esselman, B. J.; McMahon, R. J. Spectroscopic and Computational Studies of Matrix-Isolated iso-CXBr3 (X = F, Cl, Br): Structure, Properties, and Photochemistry of Substituted iso-Tribromomethanes. J. Mol. Struc. 2012, 1025, 61-68. View Article
88. Sebree, J. A.; Kidwell, N. M.; Selby, T. M.; Amberger, B. K.; McMahon, R. J.; Zwier, T. S. Photochemistry of Benzylallene: Ring-closing Reactions to form Naphthalene. J. Am. Chem. Soc. 2012, 134, 1153-1163. View Article
87. Esselman, B. J.; McMahon, R. J. Effects of Ethynyl Substitution on Cyclobutadiene. J. Phys. Chem. A 2012, 116, 483-490. View Article (View Computational Chemistry Highlight)
86. Kemnitz, C. R.; Ball, E. S.; McMahon, R. J. Photochemistry of CpMn(CO)3 and Related Derivatives: Spectroscopic Observation of Singlet and Triplet CpMn(CO)2. Organometallics, 2012, 31, 70-84. View Article
85. Vogelhuber, K. M.; Wren, S. W.; Shaffer, C. J.; McMahon, R. J.; McCoy, A. B.; Lineberger, C. W. Photoelectron Spectroscopy of HC4N–. J. Chem. Phys. 2011, 135, 204307. View Article
84. Dawson, K.; Zhu, L.; Kopff, L. A.; McMahon, R. J.; Yu, L.; Ediger, M. D. Highly Stable Vapor-deposited Glasses of Four Tris-naphthylbenzene Isomers. J. Pys. Chem. Lett. 2011, 2, 2683-2687. View Article
83. George, L.; Kalume, A.; Esselman, B. J.; Wager, J.; McMahon, R. J.; Reid, S. A. Spectroscopic and Computational Studies of Matrix-isolated iso-CHBr3: Structure, Properties, and Photochemistry of Iso-Bromoform. J. Chem. Phys. 2011, 135, 124503-124507. View Article
82. Preston, T. J.; Dutta, M.; Esselman, B. J.; Kalume, A.; George, L.; McMahon, R. J.; Reid, S. A.; Crim, F. F. Formation and Relaxation Dynamics of iso-CH2Cl-I in Cryogenic Matrices. J. Chem. Phys. 2011, 135, 114503-114510. View Article
81. George, L.; Kalume, A.; Esselman, B. J.; McMahon, R. J.; Reid, S . A. Pulsed-Jet Discharge Matrix Isolation and Computational Study of Bromine Atom Complexes: Br—BrXCH2 (X=H,Cl,Br). J. Phys. Chem. A. 2011, 115 (35), 9820–9827. View Article
80. Menke, J. L.; McMahon, R. J. Photochemistry of Matrix-isolated 5-cyano-2H-pyran-2-one (δ-cyano-α-pryrone) and cyanocyclobuta-1,3-diene. Can. J. Chem. 2011, 89 (2), 186-194. View Article
79. Hopf, H.; Mlynek,C.; McMahon, R. J.; Menke, J. L.; Lesarri, A.; Rosemeyer, M.; Grabow, J-U. On the Trimerization of Cyanoacetylene: Mechanism of Formation of Tricyanobenzene Isomers and Laboratory Detection of Their Radio Spectra. Chem. Eur. J. 2010, 16 (47), 14115-14123. View Article
78. Thomas, P. S.; Bowling, N. P.; Burrmann, N. J.; McMahon, R. J. Dialkynyl Carbene Derivatives: Generation and Characterization of Triplet tert-Butylpentadiynylidene (t-Bu−C≡C−C:−C≡C−H) and Dimethylpentadiynylidene (Me−C≡C−C:−C≡C−Me). J. Org. Chem. 2010, 75 (19), 6372-6381. View Article
77. Bowling, N. P.; Burrmann, N. J.; Halter, R. J.; Hodges, J. A.; McMahon, R. J. Synthesis of Simple Diynals, Diynones, Their Hydrazones, and Diazo Compounds: Precursors to a Family of Dialkynyl Carbenes (R1—C≡C—C—C≡C—R2). J. Org. Chem. 2010, 75 (1), 6382-6390. View Article
76. Menke, J. L.; Patterson, E. V.; McMahon, R. J. Effects of Cyano Substituents on Cyclobutadiene and Its Isomers. J. Phys. Chem. A 2010, 114 (22), 6431–6437. View Article
75. Shaffer, C. J.; Esselman, B. J.; McMahon, R. J.; Stanton, J. F.; Woods, R. C. Attempted Isolation and Characterization of Diazirinone (N2CO). J. Org. Chem. 2010, 75 (6), 1815–1821. View Article
74. Swallen, S. F.; Windsor, K.; McMahon, R. J.; Ediger, M. D.; Mates, T. E. Transformation of Stable Glasses into Supercooled Liquids: Growth Fronts and Anomalously Fast Liquid Diffusion. J. Phys. Chem. B 2010, 114 (8), 2635-2643. View Article
73. Thomas, P. S.; Bowling, N. P.; McMahon, R. J. Spectroscopy and Photochemistry of Triplet Methylpentadiynylidene (Me-C≡C-C:-C≡C-H). J. Am. Chem. Soc. 2009, 131 (24), 8649-8659. View Article
72. Swallen, S. F.; Traynor, K.; McMahon, R. J.; Ediger, M. D.; Mates, T. E. Stable Glass Transformation to Supercooled Liquid via Surface-Initiated Growth Front. Phys. Rev. Lett. 2009, 102 (6), 065503/1-065503/4. View Article
71. Swallen, S. F.; Traynor, K.; McMahon, R. J.; Ediger, M. D.; Mates, T. E. Self-Diffusion of Supercooled Tris-naphthylbenzene. J. Phys. Chem. B 2009, 113 (14), 4600-4608. View Article
70. Seburg, R. A.; Patterson, E. V.; McMahon, R. J. Structure of Triplet Propynylidene (HCCCH) as Probed by IR, UV/vis, and EPR Spectroscopy of Isotopomers. J. Am. Chem. Soc. 2009, 131 (26), 9442-9455. View Article
69. Seburg, R. A.; Hodges, J. A.; McMahon, R. J. Propynal Equivalents and Diazopropyne: Synthesis of All Mono-13C Isotopomers. Helv. Chim. Acta 2009, 92 (8), 1626-1643. View Article
68. Swallen, S. F.; Kearns, K. L.; Satija, S.; Traynor, K.; McMahon, R. J.; Ediger, M. D. Molecular view of the isothermal transformation of a stable glass to a liquid. J. Chem. Phys. 2008, 128 (21), 214514/1-214514/10. View Article
67. Pharr, C. R.; McMahon, R. J. Organic Chemistry: Synthesis of Reactive Intermediates Found in Interstellar Space. J. Chem. Educ. 2008, 85 (10), 1454. View Article
66. Weaver, S. L. W.; Remijan, A. J.; McMahon, R. J.; McCall, B. J. A Search for ortho-benzyne (o-C6H4) in CRL 618. The Astrophys. J. Lett. 2007, (2), L153 – L156. View Article
65. Swallen, S. F.; Kearns, K. L.; Mapes, M. K.; Kim, Y. S.; McMahon, R. J.; Ediger, M. D.; Wu, T.; Yu, L.; Satija, S. Organic Glasses with Exceptional Thermodynamic and Kinetic Stability. Science (Washington, DC, United States) 2007, 315 (5810), 353-356. View Article
64. De Pinto, J. T.; de Prophetis, W. A.; Menke, J. L.; McMahon, R. J. Triplet 1,3-diphenylpropynylidene (Ph-C-C-C-Ph). J. Am. Chem. Soc. 2007, 129 (8), 2308-2315. View Article
63. Bonvallet, P. A.; Breitkreuz, C. J.; Kim, Y. S.; Todd, E. M.; Traynor, K.; Fry, C. G.; Ediger, M. D.; McMahon, R. J. Organic Glass-Forming Materials: 1,3,5-Tris(naphthyl)benzene Derivatives. J. Org. Chem. 2007, 72 (26), 10051-10057. View Article
62. Swallen, S. F.; Mapes, M. K.; Kim, Y. S.; McMahon, R. J.; Ediger, M. D.; Satija, S. Neutron reflectivity measurements of the translational motion of tris(naphthylbenzene) at the glass transition temperature. J. Chem. Phys. 2006, 124 (18), 184501/1-184501/9. View Article
61. Kim, Y. S.; Inui, H.; McMahon, R. J. Ring Opening of 2,5-Didehydrothiophene: Matrix Photochemistry of C4H2S Isomers. J. Org. Chem. 2006, 71 (26), 9602-9608. View Article
60. Bowling, N. P.; McMahon, R. J. Enediyne Isomers of Tetraethynylethene. J. Org. Chem. 2006, 71 (16), 5841-5847. View Article
59. Bowling, N. P.; Halter, R. J.; Hodges, J. A.; Seburg, R. A.; Thomas, P. S.; Simmons, C. S.; Stanton, J. F.; McMahon, R. J. Reactive Carbon-Chain Molecules: Synthesis of 1-Diazo-2,4-pentadiyne and Spectroscopic Characterization of Triplet Pentadiynylidene (H-C≡C-C:-C≡C-H). J. Am. Chem. Soc. 2006, 128 (10), 3291-3302. View Article
58. Lovas, F. J.; McMahon, R. J.; Grabow, J.-U.; Schnell, M.; Mack, J.; Scott, L. T.; Kuczkowski, R. L. Interstellar Chemistry: A Strategy for Detecting Polycyclic Aromatic Hydrocarbons in Space. J. Am. Chem. Soc. 2005, 127 (12), 4345-4349. View Article
57. Kim, Y. S.; McMahon, R. J. Ring Opening of 2,5-Didehydrothiophene: Structures and Rearrangements of C4H2S Isomers. J. Org. Chem. 2005, 70 (20), 8171-8179. View Article
56. McMahon, R. J. Orville L. Chapman (1932-2004): Organic Chemistry and Education. Angew. Chem., Int. Ed. 2004, 43 (32), 4122. View Article
55. Swallen, S. F.; Bonvallet, P. A.; McMahon, R. J.; Ediger, M. D. Self-Diffusion of tris-Naphthylbenzene near the Glass Transition Temperature. Phys. Rev. Lett. 2003, 90 (1), 015901/1-015901/4. View Article
54. Schwartz, M. P.; Halter, R. J.; McMahon, R. J.; Hamers, R. J. Formation of an Atomically Abrupt Interface between a Polycyclic Aromatic Molecule and the Silicon (001) Surface via Direct Si-C Linkage. J. Phys. Chem. B 2003, 107 (1), 224-228. View Article
53. McMahon, R. J.; McCarthy, M. C.; Gottlieb, C. A.; Dudek, J. B.; Stanton, J. F.; Thaddeus, P. The radio spectrum of the phenyl radical. Astrophys. J. Lett. 2003, 590 (1, Pt. 2), L61-L64. View Article
52. McMahon, R. J. Chemistry: Chemical reactions involving quantum tunneling. Science (Washington, DC, United States) 2003, 299 (5608), 833-834. View Article
51. Bonvallet, P. A.; Todd, E. M.; Kim, Y. S.; McMahon, R. J. Access to the Naphthylcarbene Rearrangement Manifold via Isomeric Benzodiazocycloheptatrienes. J. Org. Chem. 2002, 67 (25), 9031-9042. View Article
50. Nicolaides, A.; Matsushita, T.; Yonezawa, K.; Sawai, S.; Tomioka, H.; Stracener, L. L.; Hodges, J. A.; McMahon, R. J. The Elusive Benzocyclobutenylidene: A Combined Computational and Experimental Attempt. J. Am. Chem. Soc. 2001, 123 (12), 2870-2876. View Article
49. Halter, R. J.; Fimmen, R. L.; McMahon, R. J.; Peebles, S. A.; Kuczkowski, R. L.; Stanton, J. F. Microwave Spectra and Molecular Structures of (Z)-Pent-2-en-4-ynenitrile and Maleonitrile. J. Am. Chem. Soc. 2001, 123 (49), 12353-12363. View Article
48. Stracener, L. L.; Halter, R. J.; McMahon, R. J.; Castro, C.; Karney, W. L. Singlet-Triplet Energy Separation of Cyclobutylidene. J. Org. Chem. 2000, 65 (1), 199-204. View Article
47. McMahon, R. J.; Halter, R. J.; Fimmen, R. L.; Wilson, R. J.; Peebles, S. A.; Kuczkowski, R. L.; Stanton, J. F. Equilibrium Structure of cis-Hex-3-ene-1,5-diyne and Relevance to the Bergman Cyclization. J. Am. Chem. Soc. 2000, 122 (5), 939-949. View Article
46. Hodges, J. A.; McMahon, R. J.; Stanton, J. F.; Sattelmeyer, K. W. Electronic spectrum of propadienylidene (H2C=C=C:) and its relevance to the diffuse interstellar bands. Astrophys. J. 2000, 544 (2, Pt. 1), 838-842. View Article
45. Breitung, E. M.; Vaughan, W. E.; McMahon, R. J. Measurement of solute dipole moments in dilute solution: A simple three-terminal cell. Rev. Sci. Instrum. 2000, 71 (1), 224-227. View Article
44. Breitung, E. M.; Shu, C.-F.; McMahon, R. J. Thiazole and Thiophene Analogues of Donor-Acceptor Stilbenes: Molecular Hyperpolarizabilities and Structure-Property Relationships. J. Am. Chem. Soc. 2000, 122 (6), 1154-1160. View Article
43. Bonvallet, P. A.; McMahon, R. J. Generation, Characterization, and Rearrangements of 4,5-Benzocyclohepta-1,2,4,6-tetraene. J. Am. Chem. Soc. 2000, 122 (38), 9332-9333. View Article
42. Breitung, E. M.; McMahon, R. J. Structure-property relationships in organic nonlinear optical materials. Materials Research Society Symposium Proceedings 1999, 561 (Organic Nonlinear Optical Materials and Devices), 39-43. View Article
41. Zhu, Z.; Bally, T.; Stracener, L. L.; McMahon, R. J. Reversible Interconversion between Singlet and Triplet 2-Naphthyl(carbomethoxy)carbene. J. Am. Chem. Soc. 1999, 121 (12), 2863-2874. View Article
40. Wang, Y.-K.; Shu, C.-F.; Breitung, E. M.; McMahon, R. J. Synthesis and Characterization of Thiazole-Containing Chromophores for Second-Order Nonlinear Optics. J. Mater. Chem. 1999, 9, 1449-1452. View Article
39. Shu, Y.-C.; Gong, Z.-H.; Shu, C.-F.; Breitung, E. M.; McMahon, R. J.; Lee, G.-H.; Jen, A. K. Y. Synthesis and Characterization of Nonlinear Optical Chromophores with Conformationally Locked Polyenes Possessing Enhanced Thermal Stability. Chem. Mater. 1999, 11 (6), 1628-1632. View Article
38. Nicolaides, A.; Nakayama, T.; Yamazaki, K.; Tomioka, H.; Koseki, S.; Stracener, L. L.; McMahon, R. J. Of Ortho-Conjugatively Linked Reactive Intermediates: The Cases of Ortho-Phenylene-(Bis)Nitrene, -Carbenonitrene, and -(Bis)Carbene. J. Am. Chem. Soc. 1999, 121 (45), 10563-10572. View Article
37. Bonvallet, P. A.; McMahon, R. J. Photoequilibration of 1-Naphthylcarbene and 4,5-Benzobicyclo[4.1.0]hepta-2,4,6-triene. J. Am. Chem. Soc. 1999, 121 (45), 10496-10503. View Article
36. Yeung, M.; Ng, A. C. H.; Drew, M. G. B.; Vorpagel, E.; Breitung, E. M.; McMahon, R. J.; Ng, D. K. P. Facile Synthesis and Nonlinear Optical Properties of Push−Pull 5,15-Diphenylporphyrins. J. Org. Chem. 1998, 63 (21), 7143-7150. View Article
35. Stanton, J. F.; DePinto, J. T.; Seburg, R. A.; Hodges, J. A.; McMahon, R. J. Electronic Spectrum of Propadienylidene (H2CCC:). J. Am. Chem. Soc. 1997, 119 (2), 429-430. View Article
34. Seburg, R. A.; Patterson, E. V.; Stanton, J. F.; McMahon, R. J. Structures, Automerizations, and Isomerizations of C3H2 Isomers. J. Am. Chem. Soc. 1997, 119 (25), 5847-5856. View Article
33. Seburg, R. A.; McMahon, R. J.; Stanton, J. F.; Gauss, J. Structures and Stabilities of C5H2 Isomers: Quantum Chemical Studies. J. Am. Chem. Soc. 1997, 119 (44), 10838-10845. View Article
32. Patterson, E. V.; McMahon, R. J. Rearrangements of C7H6 Isomers: Computational Studies of the Interconversions of Bicyclo[3.2.0]hepta-1,3,6-triene, Bicyclo[3.2.0]hepta-3,6-dien-2-ylidene, Bicyclo[3.2.0]hepta-2,3,6-triene, and Cyclohepta-1,2,4,6-tetraene. J. Org. Chem. 1997, 62 (13), 4398-4405. View Article
31. Whitaker, C. M.; Patterson, E. V.; Kott, K. L.; McMahon, R. J. Nitrogen and Oxygen Donors in Nonlinear Optical Materials: Effects of Alkyl vs. Phenyl Substitution on the Molecular Hyperpolarizability. J. Am. Chem. Soc. 1996, 118 (41), 9966-9973. View Article
30. Whitaker, C. M.; McMahon, R. J. Synthesis and Characterization of Organic Materials with Conveniently Accessible Supercooled Liquid and Glassy Phases: Isomeric 1,3,5-Tris(naphthyl)benzenes. J. Phys. Chem. 1996, 100 (3), 1081-90. View Article
29. Matzinger, S.; Bally, T.; Patterson, E. V.; McMahon, R. J. The C7H6 Potential Energy Surface Revisited: Relative Energies and IR Assignment. J. Am. Chem. Soc. 1996, 118 (6), 1535-1542. View Article
28. Whitaker, C. M.; Kott, K. L.; McMahon, R. J. Synthesis and Solid-State Structure of Substituted Arylphosphine Oxides. J. Org. Chem. 1995, 60 (11), 3499-3508. View Article
27. Seburg, R. A.; McMahon, R. J. Automerizations and isomerization in propynylidene (HCCCH), propadienylidene (H2CCC), and cyclopropenylidene (c-C3H2). Angew. Chem., Int. Ed. Engl. 1995, 34 (18), 2009-2012. View Article
26. Seburg, R. A.; DePinto, J. T.; Patterson, E. V.; McMahon, R. J. Structure of Triplet Propynylidene. J. Am. Chem. Soc. 1995, 117 (2), 835-836. View Article
25. Kott, K. L.; Whitaker, C. M.; McMahon, R. J. Second-Order Nonlinear Optical Properties of Substituted Arylphosphine Oxides. Chem. Mater. 1995, 7 (2), 426-439. View Article
24. Seburg, R. A.; McMahon, R. J. Ground-state multiplicity of halo(trifluoromethyl)carbenes. J. Org. Chem. 1993, 58 (4), 979-980. View Article
23. Kott, K. L.; Higgins, D. A.; McMahon, R. J.; Corn, R. M. Observation of photoinduced electron transfer at a liquid-liquid interface by optical second harmonic generation. J. Am. Chem. Soc. 1993, 115 (12), 5342-5343. View Article
22. DePinto, J. T.; McMahon, R. J. Structure and rearrangements of 1,3-diphenylpropynylidene. J. Am. Chem. Soc. 1993, 115 (26), 12573-12574. View Article
21. Bartz, J. A.; Barnhart, T. M.; Galloway, D. B.; Huey, L. G.; Glenewinkel-Meyer, T.; McMahon, R. J.; Crim, F. F. UV photodissociation and energy-selective ionization of organometallic compounds in a molecular beam. ACS Symp. Ser. 1993, 530 (Laser Chemistry of Organometallics), 116-121. View Article
20. Bartz, J. A.; Barnhart, T. M.; Galloway, D. B.; Huey, L. G.; Glenewinkel-Meyer, T.; McMahon, R. J.; Crim, F. F. Gas-phase photodissociation of (η5-cyclopentadienyl)Fe(CO)2R and (η5-indenyl)Fe(CO)2R in a molecular beam: competitive loss of alkyl radical and alkene detected by vacuum-ultraviolet ionization and time-of-flight mass spectrometry. J. Am. Chem. Soc. 1993, 115 (18), 8389-8395. View Article
19. Barnhart, T. M.; De Felippis, J.; McMahon, R. J. Structures and reactivity of [HFe(CO)3(h3-C3H5)]. Angew. Chem. 1993, 105 (7), 1334-1336 (See also Angew Chem , Int ed Engl , 1993, 32(7), 1073-1074). View Article
18. Albrecht, S. W.; McMahon, R. J. Photoequilibration of 2-naphthylcarbene and 2,3-benzobicyclo[4.1.0]hepta-2,4,6-triene. J. Am. Chem. Soc. 1993, 115 (3), 855-859. View Article
17. Seburg, R. A.; McMahon, R. J. Photochemistry of matrix-isolated diazoethane and methyldiazirine: ethylidene trapping? J. Am. Chem. Soc. 1992, 114 (18), 7183-7189. View Article
16. Kott, K. L.; McMahon, R. J. Regiochemistry of acetylation of ferrocenylarylethylenes. J. Org. Chem. 1992, 57 (11), 3097-3101. View Article
15. Casey, C. P.; Tanke, R. S.; Hazin, P. N.; Kemnitz, C. R.; McMahon, R. J. Kinetic generation of cis-cyclopentadienyl(dicarbonyl)rhenium dihydride from the reaction of (C5H5)Re(CO)2(µ-H)Pt(H)(PPh3)2 with diphenylacetylene. Inorg. Chem. 1992, 31 (26), 5474-5479. View Article
14. Barnhart, T. M.; McMahon, R. J., Spectroscopic observation of a thermal carbon-hydrogen bond insertion reaction at 5 K: intramolecular rearrangement of Fe(CO)3(η2-C3H6) to produce HFe(CO)3(η3-C3H5). J. Am. Chem. Soc. 1992, 114 (13), 5434-5435. View Article
13. Barnhart, T. M.; Fenske, R. F.; McMahon, R. J., Isomerism in coordinatively unsaturated tricarbonyl-η2-etheneiron complexes. Inorg. Chem. 1992, 31 (13), 2679-2681. View Article
12. Forcé, R. K.; McMahon, R. J.; Yu, J.; Wrighton, M. S., Spectroscopic detection of excited-state electron transfer in porphyrin viologen systems. Spectrochim. Acta, Part A 1989, 45A (1), 23-30. View Article
11. McMahon, R. J.; Forcé, R. K.; Patterson, H. H.; Wrighton, M. S., Intramolecular excited-state electron transfer in a covalently linked porphyrin-viologen molecule: direct observation of the charge-separated intermediate by resonance Raman spectroscopy. J. Am. Chem. Soc. 1988, 110 (8), 2670-2672. View Article
10. Chapman, O. L.; Johnson, J. W.; McMahon, R. J.; West, P. R., Rearrangements of the isomeric tolylmethylenes. J. Am. Chem. Soc. 1988, 110 (2), 501-509. View Article
9. McMahon, R. J.; Chapman, O. L., Direct spectroscopic observation of intramolecular hydrogen shifts in carbenes. J. Am. Chem. Soc. 1987, 109 (3), 683-692. View Article
8. McMahon, R. J.; Abelt, C. J.; Chapman, O. L.; Johnson, J. W.; Kreil, C. L.; LeRoux, J. P.; Mooring, A. M.; West, P. R., 1,2,4,6-Cycloheptatetraene: the key intermediate in arylcarbene interconversions and related C7H6 rearrangements. J. Am. Chem. Soc. 1987, 109 (8), 2456-69. View Article
7. West, P. R.; Mooring, A. M.; McMahon, R. J.; Chapman, O. L. Benzobicyclo[4.1.0]hepta-2,4,6-trienes. J. Org. Chem. 1986, 51 (8), 1316-1320. View Article
6. McMahon, R. J.; Chapman, O. L. Triplet ground-state cycloheptatrienylidene. J. Am. Chem. Soc. 1986, 108 (7), 1713-1714. View Article
5. McMahon, R. J.; Chapman, O. L.; Hayes, R. A.; Hess, T. C.; Krimmer, H. P. Mechanistic studies on the Wolff rearrangement: the chemistry and spectroscopy of some alpha -keto carbenes. J. Am. Chem. Soc. 1985, 107 (25), 7597-7606. View Article
4. Chapman, O. L.; McMahon, R. J.; West, P. R. Rearrangements of tolylmethylenes via cycloheptatetraenes: formation of benzocyclobutene and styrene. J. Am. Chem. Soc. 1984, 106 (25), 7973-7974. View Article
3. Hayes, R. A.; Hess, T. C.; McMahon, R. J.; Chapman, O. L. Photochemical Wolff rearrangement of a triplet ground state carbene. J. Am. Chem. Soc. 1983, 105 (26), 7786-7787. View Article
2. McMahon, R. J. Organometallic π-complexes of silacycles. Coord. Chem. Rev. 1982, 47 (1-2), 1-14. View Article
1. McMahon, R. J.; Wiegers, K. E.; Smith, S. G. Stereoselectivity of lithium aluminum hydride and lithium alkoxyaluminohydride reductions of 3,3,5-trimethylcyclohexanone in diethyl ether. J. Org. Chem. 1981, 46 (1), 99-101. View Article