Publications

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.

| 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 |

120. 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).  Manuscript Submitted.

119. 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. Manuscript submitted.

118. Esselman, B. J.; Kougias, S. M.; Zdanovskaia, M. A.; Woods, R. C.; McMahon, R. J. Synthesis, Purification, and Rotational Spectroscopy of a Cyanomethylene Cyclopropane. Manuscript submitted.

117. 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. Manuscript submitted.

116. 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

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.

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

Heavy-Atom Tunneling Through Crossing Potential Energy Surfaces: Cyclization of a Triplet 2-Formylarylnitrene to a Singlet 2,1-Benzisoxazole

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

114_Cyanobutadienes_GraphicalAbstract

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 ν30J. Mol. Spectrosc. 2020, 369, 111274.  View Article

4-cyanopyridine Graphical Abstract Links to 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

112_Structure Of Pyrimidine Graphical Abstract Links to 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

111_Benzazirines To Ketenamines Graphical Abstract Links to 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

110_Chloropyridine Graphical Abstract Links to 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

109_Chloropyrazine Graphical Abstract Links to 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

108_Phenylisocyanide Graphical Abstract Links to 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

107_Benzonitrile Graphical Abstract Links to 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

106_Photochemistry of 2-Formylphenylnitrene Graphical Abstract Links to 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

105_Formyl Azide Graphical Abstract Links to 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

104_Nitrene Tunneling Graphical Abstract Links to 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

103_Diketene Graphical Abstract Links to 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

102_1,3-Dimethylpropynylidene Graphical Abstract Links to 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

101_Fullerene Formation Graphical Abstract Links to 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

100_HN3 Graphical Abstract Links to 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

99_Carbonyl Diazide & Diazirinone Graphical Abstract Links to 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

98_Propargylene Graphical Abstract Links to 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

97_Carbonyl Diazide Millimeter-wave Spectroscopy Graphical Abstract Links to 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. 2013139 (22), 224304. View Article

96_Pyridazine Graphical Abstract Links to 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. 2013135 (28), 10246-10249. View Article

95_Aryl Nitrene Rearrangements Graphical Abstract Links to 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. 2012137, 204508. View Article

94_Stable Glasses of Indomethacin and α,α,β-tris-Naphthylbenzene Graphical Abstract Links to 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. 201251, 9846-9851.  View Article

93_Carbonyl Diazide Graphical Abstract Links to 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. 2012134, 6443-6454. View Article

92_Photochemistry of Furyl- and Thienyldiazomethanes Graphical Abstract Links to 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. 2012136, 134312-134316. View Article

91_Propadienylidene Graphical Abstract Links to 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. 2012136, 094505-094511View Article

90_stable glasses of vapor-deposited tris-naphthylbenzene isomers Graphical Abstract Links to 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. 20121025, 61-68. View Article

89_Spectroscopic and Computational Studies of Matrix-Isolated iso-CXBr3 Graphical Abstract Links to 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. 2012134, 1153-1163. View Article

88_Photochemistry of Benzylallene Graphical Abstract Links to Article

87. Esselman, B. J.; McMahon, R. J. Effects of Ethynyl Substitution on Cyclobutadiene. J. Phys. Chem. A 2012116, 483-490. View Article (View Computational Chemistry Highlight)

87_Effects of Ethynyl Substitution on Cyclobutadiene Graphical Abstract Links to Article

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)2Organometallics, 201231, 70-84. View Article

86_Photochemistry of CpMn(CO)3 and Related Derivatives Graphical Abstract Links to Article


85. Vogelhuber, K. M.; Wren, S. W.; Shaffer, C. J.; McMahon, R. J.; McCoy, A. B.; Lineberger, C. W. Photoelectron Spectroscopy of HC4NJ. Chem. Phys. 2011135, 204307. View Article

85_Photoelectron Spectroscopy of HC4N– Graphical Abstract Links to 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. 20112, 2683-2687. View Article

84_Highly Stable Vapor-Deposited Glasses of Four Tris-naphthylbenzene Isomers Graphical Abstract Links to 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. 2011135, 124503-124507. View Article

83_Spectroscopic and computational studies of matrix-isolated iso-CHBr3 Graphical Abstract Links to 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

82_Formation and relaxation dynamics of iso-CH2Cl–I in cryogenic matrices Graphical Abstract Links to 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

81_Bromine Atom Complexes Graphical Abstract Links to 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. 201189 (2), 186-194. View Article

80_5-cyano-2H-pyran-2-one and cyanocyclobuta-1,3-diene Graphical Abstract Links to 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. 201016 (47), 14115-14123View Article

79_On the Trimerization of Cyanoacetylene Graphical Abstract Links to 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. 201075 (19), 6372-6381. View Article

78_Dialkynyl Carbene Derivatives Graphical Abstract Links to 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. 201075 (1), 6382-6390. View Article

77_Synthesis of Simple Diynals, Diynones, Their Hydrazones, and Diazo Compounds Graphical Abstract Links to Article

76. Menke, J. L.; Patterson, E. V.; McMahon, R. J. Effects of Cyano Substituents on Cyclobutadiene and Its Isomers. J. Phys. Chem. A 2010114 (22), 6431–6437. View Article

76_Effects of Cyano Substituents on Cyclobutadiene and Its Isomers Graphical Abstract Links to 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. 201075 (6), 1815–1821. View Article

75_Attempted Isolation and Characterization of Diazirinone Graphical Abstract Links to 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 2010114 (8), 2635-2643. View Article

74_Transformation of Stable Glasses into Supercooled Liquids Graphical Abstract Links to 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

73_Spectroscopy and Photochemistry of Triplet Methylpentadiynylidene Graphical Abstract Links to 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

72_Stable Glass Transformation to Supercooled Liquid via Surface-Initiated Growth Front Graphical Abstract Links to 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

71_Self-Diffusion of Supercooled Tris-naphthylbenzene Graphical Abstract Links to 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

70_Structure of Triplet Propynylidene Graphical Abstract Links to 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

Figure from article 69


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

Figure from article 68

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

Figure from article 67


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

Figure from article 66

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

Figure from article 65

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

Figure from article 64

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

Figure from article 63


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

Figure from article 62

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

Figure from article 61

60. Bowling, N. P.; McMahon, R. J. Enediyne Isomers of Tetraethynylethene. J. Org. Chem. 2006, 71 (16), 5841-5847. View Article

Figure from article 60

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

Figure from article 59

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

Figure from article 58

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

Figure from article 57


56. McMahon, R. J. Orville L. Chapman (1932-2004): Organic Chemistry and Education. Angew. Chem., Int. Ed. 2004, 43 (32), 4122. View Article

Photo of Orville Chapman, figure from article 56

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

Figure from article 55

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

Figure from article 54

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

Figure from article 53

52. McMahon, R. J. Chemistry: Chemical reactions involving quantum tunneling. Science (Washington, DC, United States) 2003, 299 (5608), 833-834. View Article

Figure from article 52

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

Figure from article 51


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

Figure from article 50

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

Figure from article 49


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

Figure from Article 48

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

Figure from article 47


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

Figure from article 46

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

Figure from article 45

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

Figure from article 44

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

Figure from article 43


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

Figure from article 42

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

Figure from article 41

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

Figure from article 40

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

Figure from article 39

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

Figure from article 38

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

Figure from article 37

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

Figure from article 36

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

Figure from article 35

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

Figure from article 34

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

Figure from article 33

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

Figure from article 32

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

Figure from article 31

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

Figure from article 30

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

Figure from article 29

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

Figure from article 28

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

Figure from article 27

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

Figure from article 26

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

Figure from article 25

24. Seburg, R. A.; McMahon, R. J. Ground-state multiplicity of halo(trifluoromethyl)carbenes. J. Org. Chem. 1993, 58 (4), 979-980. View Article

Figure from article 24

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

Figure from article 23

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

Figure from article 22

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

Figure from article 20

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

Figure from article 19

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

Figure from article 18

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

Figure from article 17

16. Kott, K. L.; McMahon, R. J. Regiochemistry of acetylation of ferrocenylarylethylenes. J. Org. Chem. 1992, 57 (11), 3097-3101. View Article

Figure from article 16

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

Figure from article 15

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)32-C3H6) to produce HFe(CO)33-C3H5). J. Am. Chem. Soc. 1992, 114 (13), 5434-5435. View Article

Figure from article 14

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

Figure from article 13


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

Figure from article 12

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

Figure from Article 11

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

Figure from article 10


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

Figure from article 9

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

Figure from article 8


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

Figure from article 7

6. McMahon, R. J.; Chapman, O. L. Triplet ground-state cycloheptatrienylidene. J. Am. Chem. Soc. 1986, 108 (7), 1713-1714. View Article

Figure from article 6


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

Figure from article 5


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

Figure from article 4


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

Figure from article 3

2. McMahon, R. J. Organometallic π-complexes of silacycles. Coord. Chem. Rev. 1982, 47 (1-2), 1-14. View Article

Figure from Article 2


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
Figure from Article 1