McMahon Research Group 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.

2019201820172016 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 |

 

111. Heim, Z. N.; Amberger, B. K.; Esselman, B. J.; Stanton, J. F.; Woods, R. C.; McMahon, R. J., Precise Equilibrium Structure Determination of Pyrimidine (m-C4H4N2) by Millimeter-Wave Spectroscopy. J. Chem. Phys. 2019, manuscript in revisions.

 

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, manuscript submitted.

 

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, manuscript acceptedView 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

The 130 - 370 GHz Rotational Spectrum of Phenyl Isocyanide (C6H5NC)

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

The 103 – 360 GHz Rotational Spectrum of Benzonitrile, the First Interstellar Benzene Derivative Detected by Radioastronomy

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

Photochemistry of 2-Formylphenylnitrene: A Doorway to Heavy-Atom Tunneling of a Benzazirine to a Cyclic Ketenimine

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

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.

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

Thermal Isomerizations of Diethynyl Cyclobutadienes and Implications for Fullerene Formation.

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

Precise Equilibrium Structure Determination of Hydrazoic Acid (HN3) by Millimeter-wave Spectroscopy

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

Toward Understanding the Decomposition of Carbonyl Diazide, (N3)2C=O, and Formation of Diazirinone, Cyc-N2CO: Experiment and Computations.

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

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.

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

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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

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

Esselman, B. J.; Amberger, B. K.; Shutter, J. D.; Daane, M. A.; Stanton, J. F. .; Woods, R.C; 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.

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

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.

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

Carbonyl Diazide, OC(N3)2: Synthesis, Purification, and IR Spectrum

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

Photochemistry of Furyl and Thienyl Diazomethanes: Spectroscopy and Characterization of Triplet 3-Thienyl Carbene

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

Ground and Low-Lying Excited States of Propadienylidene (H2C=C=C:) Obtained by Negative Ion Photoelectron Spectroscopy

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

Molecular Packing in Highly Stable Glasses of Vapor-Deposited Tris-naphthylbenzene Isomers.

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

Spectroscopic and Computational Studies of Matrix-Isolated iso-CXBr3 (X = F, Cl, Br):  Structure, Properties, and Photochemistry of Substituted iso-Tribromomethanes.

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

Photochemistry of Benzylallene: Ring-closing Reactions to form Naphthalene.

 

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)

Effects of Ethynyl Substitution on Cyclobutadiene

 

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

Photochemistry of CpMn(CO)3 and Related Derivatives: Spectroscopic Observation of Singlet and Triplet CpMn(CO)2

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. 2011135, 204301-204309. View Article

Photoelectron Spectroscopy of HC4N-

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

Highly Stable Vapor-deposited Glasses of Four Tris-naphthylbenzene Isomers.

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

Spectroscopic and Computational Studies of Matrix-isolated iso-CHBr3: Structure, Properties, and Photochemistry of Iso-bromoform

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

Formation and Relaxation Dynamics of iso-CH2Cl-I in Cryogenic Matrices

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

Pulsed-Jet Discharge Matrix Isolation and Computational Study of Bromine Atom Complexes: Br---BrXCH2 (X=H,Cl,Br)

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

Photochemistry of Matrix-isolated 5-cyano-2H-pyran-2-one (δ-cyano-α-pryrone) and cyanocyclobuta-1,3-diene

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

On the Trimerization of Cyanoacetylene: Mechanism of Formation of Tricyanobenzene Isomers and Laboratory Detection of Their Radio Spectra

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

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)

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

Synthesis of Simple Diynals, Diynones, Their Hydrazones, and Diazo Compounds: Precursors to a Family of Dialkynyl Carbenes (R1—C≡C—C—C≡C—R2)

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

Effects of Cyano Substituents on Cyclobutadiene and Its Isomers

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

Attempted Isolation and Characterization of Diazirinone (N2CO)

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

Transformation of Stable Glasses into Supercooled Liquids: Growth Fronts and Anomalously Fast Liquid Diffusion

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

Spectroscopy and Photochemistry of Triplet Methylpentadiynylidene (Me-C≡C-C:-C≡C-H)

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

Stable Glass Transformation to Supercooled Liquid via Surface-Initiated Growth Front

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

Self-Diffusion of Supercooled Tris-naphthylbenzene

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

Structure of Triplet Propynylidene (HCCCH) as Probed by IR, UV/vis, and EPR Spectroscopy of Isotopomers

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

Propynal Equivalents and Diazopropyne: Synthesis of All Mono-13C Isotopomers

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

Molecular view of the isothermal transformation of a stable glass to a liquid

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

Organic Chemistry: Synthesis of Reactive Intermediates Found in Interstellar Space

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

A Search for ortho-benzyne (o-C6H4) in CRL 618

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

Organic Glasses with Exceptional Thermodynamic and Kinetic Stability

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

Triplet 1,3-diphenylpropynylidene (Ph-C-C-C-Ph)

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

Organic Glass-Forming Materials: 1,3,5-Tris(naphthyl)benzene Derivatives

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

Neutron reflectivity measurements of the translational motion of tris(naphthylbenzene) at the glass transition temperature

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

Ring Opening of 2,5-Didehydrothiophene: Matrix Photochemistry of C4H2S Isomers

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

Enediyne Isomers of Tetraethynylethene

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

Reactive Carbon-Chain Molecules: Synthesis of 1-Diazo-2,4-pentadiyne and Spectroscopic Characterization of Triplet Pentadiynylidene (H-C≡C-C:-C≡C-H)

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

Interstellar Chemistry: A Strategy for Detecting Polycyclic Aromatic Hydrocarbons in Space

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

 Ring Opening of 2,5-Didehydrothiophene: Structures and Rearrangements of C4H2S Isomers

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

Orville L. Chapman (1932-2004): Organic Chemistry and Education

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

Self-Diffusion of tris-Naphthylbenzene near the Glass Transition Temperature

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

Formation of an Atomically Abrupt Interface between a Polycyclic Aromatic Molecule and the Silicon (001) Surface via Direct Si-C Linkage

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

The radio spectrum of the phenyl radical

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

Chemistry: Chemical reactions involving quantum tunneling

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

Access to the Naphthylcarbene Rearrangement Manifold via Isomeric Benzodiazocycloheptatrienes

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

The Elusive Benzocyclobutenylidene: A Combined Computational and Experimental Attempt

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

Microwave Spectra and Molecular Structures of (Z)-Pent-2-en-4-ynenitrile and Maleonitrile

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

Singlet-Triplet Energy Separation of Cyclobutylidene

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

Equilibrium Structure of cis-Hex-3-ene-1,5-diyne and Relevance to the Bergman Cyclization

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

Electronic spectrum of propadienylidene (H2C=C=C:) and its relevance to the diffuse interstellar bands

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

Measurement of solute dipole moments in dilute solution: A simple three-terminal cell

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

Thiazole and Thiophene Analogues of Donor-Acceptor Stilbenes: Molecular Hyperpolarizabilities and Structure-Property Relationships

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

Generation, Characterization, and Rearrangements of 4,5-Benzocyclohepta-1,2,4,6-tetraene

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

Structure-property relationships in organic nonlinear optical materials.

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

Reversible Interconversion between Singlet and Triplet 2-Naphthyl(carbomethoxy)carbene

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

Synthesis and Characterization of Thiazole-Containing Chromophores for Second-Order Nonlinear Optics

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

Synthesis and Characterization of Nonlinear Optical Chromophores with Conformationally Locked Polyenes Possessing Enhanced Thermal Stability

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

Of Ortho-Conjugatively Linked Reactive Intermediates: The Cases of Ortho-Phenylene-(Bis)Nitrene, -Carbenonitrene, and -(Bis)Carbene

 

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

Photoequilibration of 1-Naphthylcarbene and 4,5-Benzobicyclo[4.1.0]hepta-2,4,6-triene

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

Facile Synthesis and Nonlinear Optical Properties of Push−Pull 5,15-Diphenylporphyrins 1998

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

Electronic Spectrum of Propadienylidene (H2CCC:)

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

Structures, Automerizations, and Isomerizations of C3H2 Isomers

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

Structures and Stabilities of C5H2 Isomers: Quantum Chemical Studies

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

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

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

Nitrogen and Oxygen Donors in Nonlinear Optical Materials: Effects of Alkyl vs. Phenyl Substitution on the Molecular Hyperpolarizability

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

Synthesis and Characterization of Organic Materials with Conveniently Accessible Supercooled Liquid and Glassy Phases: Isomeric 1,3,5-Tris(naphthyl)benzenes

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

The C7H6 Potential Energy Surface Revisited: Relative Energies and IR Assignment

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

Synthesis and Solid-State Structure of Substituted Arylphosphine Oxides

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

Automerizations and isomerization in propynylidene (HCCCH), propadienylidene (H2CCC), and cyclopropenylidene (c-C3H2)

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

Structure of Triplet Propynylidene

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

 Second-Order Nonlinear Optical Properties of Substituted Arylphosphine Oxides

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

Ground-state multiplicity of halo(trifluoromethyl)carbenes

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

Observation of photoinduced electron transfer at a liquid-liquid interface by optical second harmonic generation

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

Structure and rearrangements of 1,3-diphenylpropynylidene

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.

 

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

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

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

Structures and reactivity of [HFe(CO)3(h3-C3H5)]

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

 Photoequilibration of 2-naphthylcarbene and 2,3-benzobicyclo[4.1.0]hepta-2,4,6-triene

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

Photochemistry of matrix-isolated diazoethane and methyldiazirine: ethylidene trapping?

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

Regiochemistry of acetylation of ferrocenylarylethylenes

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

Kinetic generation of cis-cyclopentadienyl(dicarbonyl)rhenium dihydride from the reaction of (C5H5)Re(CO)2(µ-H)Pt(H)(PPh3)2 with diphenylacetylene

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

 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)

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

Isomerism in coordinatively unsaturated tricarbonyl-η2-etheneiron complexes

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

Spectroscopic detection of excited-state electron transfer in porphyrin viologen systems

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

Intramolecular excited-state electron transfer in a covalently linked porphyrin-viologen molecule: direct observation of the charge-separated intermediate by resonance Raman spectroscopy

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

Rearrangements of the isomeric tolylmethylenes

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

 Direct spectroscopic observation of intramolecular hydrogen shifts in carbenes

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

Cycloheptatetraene: the key intermediate in arylcarbene interconversions and related C7H6 rearrangements

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

Benzobicyclo[4.1.0]hepta-2,4,6-trienes

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

Triplet ground-state cycloheptatrienylidene

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

Mechanistic studies on the Wolff rearrangement: the chemistry and spectroscopy of some alpha -keto carbenes

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

Rearrangements of tolylmethylenes via cycloheptatetraenes: formation of benzocyclobutene and styrene

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

Photochemical Wolff rearrangement of a triplet ground state carbene

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

Organometallic π-complexes of silacycles

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

Stereoselectivity of lithium aluminum hydride and lithium alkoxyaluminohydride reductions of 3,3,5-trimethylcyclohexanone in diethyl ether