Robert J. McMahon - Publications

Affiliations: 
Chemistry University of Wisconsin, Madison, Madison, WI 
Area:
unstable organic species such as radicals, carbenes, and highly-unsaturated carbon molecules
Website:
http://www.chem.wisc.edu/users/mcmahon

114 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Esselman BJ, Pimentel EB, Styers WH, Jean DR, Woods RC, McMahon RJ. 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 10 Lowest-Energy Vibrationally Excited States. The Journal of Physical Chemistry. A. PMID 38153243 DOI: 10.1021/acs.jpca.3c07049  0.689
2023 Pharr CR, Esselman BJ, McMahon RJ. Photochemistry of 1-(2- and 3-Thienyl)diazoethanes: Spectroscopy and Tunneling Reaction of Triplet 1-(3-Thienyl)ethylidene. The Journal of Organic Chemistry. 88: 16176-16185. PMID 37948641 DOI: 10.1021/acs.joc.3c01639  0.792
2023 Esselman BJ, Zdanovskaia MA, Owen AN, Stanton JF, Woods RC, McMahon RJ. Precise Equilibrium Structure of Benzene. Journal of the American Chemical Society. 145: 21785-21797. PMID 37774420 DOI: 10.1021/jacs.3c03109  0.691
2023 Smith HH, Esselman BJ, Wood SA, Stanton JF, Woods RC, McMahon RJ. Improved semi-experimental equilibrium structure and high-level theoretical structures of ketene. The Journal of Chemical Physics. 158. PMID 37352424 DOI: 10.1063/5.0154770  0.708
2023 Owen AN, Esselman BJ, Woods RC, McMahon RJ. Carbon Condensation [4 + 2] Cycloaddition of Highly Unsaturated Carbon Chains. The Journal of Physical Chemistry. A. PMID 37146283 DOI: 10.1021/acs.jpca.3c00617  0.672
2023 Esselman BJ, Zdanovskaia MA, Styers WH, Owen AN, Kougias SM, Billinghurst BE, Zhao J, Woods RC, McMahon RJ. Millimeter-Wave and High-Resolution Infrared Spectroscopy of 2-Furonitrile─A Highly Polar Substituted Furan. The Journal of Physical Chemistry. A. PMID 36794985 DOI: 10.1021/acs.jpca.2c08911  0.7
2023 Zdanovskaia MA, Franke PR, Esselman BJ, Billinghurst BE, Zhao J, Stanton JF, Woods RC, McMahon RJ. 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. The Journal of Chemical Physics. 158: 044301. PMID 36725515 DOI: 10.1063/5.0137340  0.668
2022 Bunn HA, Esselman BJ, Franke PR, Kougias SM, McMahon RJ, Stanton JF, Widicus Weaver SL, Woods RC. Millimeter/Submillimeter-wave Spectroscopy and the Semi-experimental Equilibrium () Structure of 1-1,2,4-Triazole (-CHN). The Journal of Physical Chemistry. A. 126: 8196-8210. PMID 36314454 DOI: 10.1021/acs.jpca.2c06038  0.69
2022 Zdanovskaia MA, Esselman BJ, Kougias SM, Amberger BK, Stanton JF, Woods RC, McMahon RJ. Precise equilibrium structures of 1H- and 2H-1,2,3-triazoles (CHN) by millimeter-wave spectroscopy. The Journal of Chemical Physics. 157: 084305. PMID 36050027 DOI: 10.1063/5.0097750  0.691
2022 Owen AN, Sahoo NP, Esselman BJ, Stanton JF, Woods RC, McMahon RJ. Semi-experimental equilibrium (r ) and theoretical structures of hydrazoic acid (HN). The Journal of Chemical Physics. 157: 034303. PMID 35868945 DOI: 10.1063/5.0101064  0.679
2022 Smith HH, Kougias SM, Esselman BJ, Woods RC, McMahon RJ. Synthesis, Purification, and Rotational Spectroscopy of 1-Cyanocyclobutene (CHN). The Journal of Physical Chemistry. A. 126: 1980-1993. PMID 35316046 DOI: 10.1021/acs.jpca.2c00384  0.688
2021 Owen AN, Zdanovskaia MA, Esselman BJ, Stanton JF, Woods RC, McMahon RJ. Semi-Experimental Equilibrium () and Theoretical Structures of Pyridazine (-CHN). The Journal of Physical Chemistry. A. PMID 34478298 DOI: 10.1021/acs.jpca.1c06187  0.708
2021 Esselman BJ, Zdanovskaia MA, Owen AN, Stanton JF, Woods RC, McMahon RJ. Precise equilibrium structure of thiazole (c-CHNS) from twenty-four isotopologues. The Journal of Chemical Physics. 155: 054302. PMID 34364360 DOI: 10.1063/5.0057221  0.716
2021 Orr VL, Ichikawa Y, Patel AR, Kougias SM, Kobayashi K, Stanton JF, Esselman BJ, Woods RC, McMahon RJ. Precise equilibrium structure determination of thiophene (c-CHS) by rotational spectroscopy-Structure of a five-membered heterocycle containing a third-row atom. The Journal of Chemical Physics. 154: 244310. PMID 34241363 DOI: 10.1063/5.0055267  0.706
2021 Zdanovskaia MA, Dorman PM, Orr VL, Owen AN, Kougias SM, Esselman BJ, Woods RC, McMahon RJ. Rotational Spectra of Three Cyanobutadiene Isomers (CHN) of Relevance to Astrochemistry and Other Harsh Reaction Environments. Journal of the American Chemical Society. PMID 34155881 DOI: 10.1021/jacs.1c03777  0.698
2021 Esselman BJ, Kougias SM, Zdanovskaia MA, Woods RC, McMahon RJ. Synthesis, Purification, and Rotational Spectroscopy of (Cyanomethylene)Cyclopropane-An Isomer of Pyridine. The Journal of Physical Chemistry. A. PMID 34153184 DOI: 10.1021/acs.jpca.1c03246  0.703
2020 Nunes CM, Viegas L, Wood S, Roque J, McMahon R, Fausto R. Heavy-Atom Tunneling Through Crossing Potential Energy Surfaces: Cyclization of a Triplet 2-Formylarylnitrene to a Singlet 2,1-Benzisoxazole. Angewandte Chemie (International Ed. in English). PMID 32558100 DOI: 10.1002/Anie.202006640  0.301
2020 Kougias SM, Knezz SN, Owen AN, Sanchez RA, Hyland GE, Lee DJ, Patel AR, Esselman BJ, Woods RC, McMahon RJ. Synthesis and Characterization of Cyanobutadiene Isomers-Molecules of Astrochemical Significance. The Journal of Organic Chemistry. PMID 32302481 DOI: 10.1021/Acs.Joc.9B03388  0.785
2020 Heim ZN, Amberger BK, Esselman BJ, Stanton JF, Woods RC, McMahon RJ. Molecular structure determination: Equilibrium structure of pyrimidine (m-CHN) from rotational spectroscopy (r) and high-level ab initio calculation (r) agree within the uncertainty of experimental measurement. The Journal of Chemical Physics. 152: 104303. PMID 32171207 DOI: 10.1063/1.5144914  0.734
2020 Dorman PM, Esselman BJ, Woods RC, McMahon RJ. 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 Journal of Molecular Spectroscopy. 373: 111373. DOI: 10.1016/J.Jms.2020.111373  0.709
2020 Dorman PM, Esselman BJ, Park JE, Woods RC, McMahon RJ. Millimeter-wave spectrum of 4-cyanopyridine in its ground state and lowest-energy vibrationally excited states, ν20 and ν30 Journal of Molecular Spectroscopy. 369: 111274. DOI: 10.1016/J.Jms.2020.111274  0.703
2019 Schleif T, Mieres-Perez J, Henkel S, Mendez-Vega E, Inui H, McMahon RJ, Sander W. Conformer-specific Heavy-Atom Tunneling in the Rearrangement of Benzazirines to Ketenimines. The Journal of Organic Chemistry. PMID 31730349 DOI: 10.1021/Acs.Joc.9B02482  0.561
2019 Zdanovskaia MA, Esselman BJ, Woods RC, McMahon RJ. The 130-370 GHz rotational spectrum of phenyl isocyanide (CHNC). The Journal of Chemical Physics. 151: 024301. PMID 31301709 DOI: 10.1063/1.5100805  0.705
2019 Esselman BJ, Zdanovskaia MA, Woods RC, McMahon RJ. Millimeter-wave spectroscopy of the chlorine isotopologues of 2-chloropyridine and twenty-three of their vibrationally excited states Journal of Molecular Spectroscopy. 365: 111206. DOI: 10.1016/J.Jms.2019.111206  0.683
2018 Zdanovskaia MA, Esselman BJ, Lau HS, Bates DM, Woods RC, McMahon RJ, Kisiel Z. The 103–360 GHz rotational spectrum of benzonitrile, the first interstellar benzene derivative detected by radioastronomy Journal of Molecular Spectroscopy. 351: 39-48. DOI: 10.1016/J.Jms.2018.06.004  0.707
2017 Nunes CM, Reva I, Kozuch S, McMahon RJ, Fausto R. Photochemistry of 2-Formyl-Phenylnitrene: A Doorway to Heavy-Atom Tunneling of a Benzazirine to a Cyclic Ketenimine. Journal of the American Chemical Society. PMID 29112415 DOI: 10.1021/Jacs.7B10495  0.339
2017 Walters NA, Amberger BK, Esselman BJ, Woods RC, McMahon RJ. Millimeter-wave spectroscopy of syn formyl azide (HC(O)N3) in seven vibrational states Journal of Molecular Spectroscopy. 331: 71-81. DOI: 10.1016/J.Jms.2016.11.011  0.717
2016 Nunes CM, Knezz SN, Reva I, Fausto R, McMahon RJ. Evidence of a Nitrene Tunneling Reaction: Spontaneous Rearrangement of 2-Formyl Phenylnitrene to an Imino Ketene in Low-Temperature Matrices. Journal of the American Chemical Society. PMID 27682681 DOI: 10.1021/Jacs.6B07368  0.785
2016 Orr VL, Esselman BJ, Dorman PM, Amberger BK, Guzei IA, Woods RC, McMahon RJ. Millimeter-Wave Spectroscopy, X-ray Crystal Structure, and Quantum Chemical Studies of Diketene: Resolving Ambiguities Concerning the Structure of the Ketene Dimer. The Journal of Physical Chemistry. A. PMID 27676317 DOI: 10.1021/Acs.Jpca.6B07610  0.71
2016 Knezz SN, Waltz TA, Haenni BC, Burrmann NJ, McMahon RJ. Spectroscopy and Photochemistry of Triplet 1,3-Dimethylpropynylidene (MeC3Me). Journal of the American Chemical Society. PMID 27640734 DOI: 10.1021/Jacs.6B07444  0.79
2015 Esselman BJ, Emmert FL, Wiederhold AJ, Thompson SJ, Slipchenko LV, McMahon RJ. Thermal Isomerizations of Diethynyl Cyclobutadienes and Implications for Fullerene Formation. The Journal of Organic Chemistry. PMID 26509879 DOI: 10.1021/Acs.Joc.5B01864  0.702
2015 Amberger BK, Esselman BJ, Stanton JF, Woods RC, McMahon RJ. Precise equilibrium structure determination of hydrazoic acid (HN3) by millimeter-wave spectroscopy. The Journal of Chemical Physics. 143: 104310. PMID 26374038 DOI: 10.1063/1.4929792  0.71
2015 Li H, Li D, Zeng X, Liu K, Beckers H, Schaefer HF, Esselman BJ, McMahon RJ. Toward Understanding the Decomposition of Carbonyl Diazide, (N3)2C=O, and Formation of Diazirinone, Cycl-N2CO: Experiment and Computations. The Journal of Physical Chemistry. A. PMID 26218716 DOI: 10.1021/Acs.Jpca.5B04586  0.691
2014 Osborn DL, Vogelhuber KM, Wren SW, Miller EM, Lu YJ, Case AS, Sheps L, McMahon RJ, Stanton JF, Harding LB, Ruscic B, Lineberger WC. Electronic states of the quasilinear molecule propargylene (HCCCH) from negative ion photoelectron spectroscopy. Journal of the American Chemical Society. 136: 10361-72. PMID 25009990 DOI: 10.1021/Ja5039984  0.331
2014 Amberger BK, Esselman BJ, Woods RC, McMahon RJ. Millimeter-wave spectroscopy of carbonyl diazide, OC(N3) 2 Journal of Molecular Spectroscopy. 295: 15-20. DOI: 10.1016/J.Jms.2013.11.001  0.724
2013 Esselman BJ, Amberger BK, Shutter JD, Daane MA, Stanton JF, Woods RC, McMahon RJ. Rotational spectroscopy of pyridazine and its isotopologs from 235-360 GHz: equilibrium structure and vibrational satellites. The Journal of Chemical Physics. 139: 224304. PMID 24329065 DOI: 10.1063/1.4832899  0.726
2013 Inui H, Sawada K, Oishi S, Ushida K, McMahon RJ. Aryl nitrene rearrangements: spectroscopic observation of a benzazirine and its ring expansion to a ketenimine by heavy-atom tunneling. Journal of the American Chemical Society. 135: 10246-9. PMID 23795602 DOI: 10.1021/Ja404172S  0.354
2012 Sepúlveda A, Swallen SF, Kopff LA, McMahon RJ, Ediger MD. Stable glasses of indomethacin and α,α,β-tris-naphthylbenzene transform into ordinary supercooled liquids. The Journal of Chemical Physics. 137: 204508. PMID 23206020 DOI: 10.1063/1.4768168  0.762
2012 Nolan AM, Amberger BK, Esselman BJ, Thimmakondu VS, Stanton JF, Woods RC, McMahon RJ. Carbonyl diazide, OC(N3)2: synthesis, purification, and IR spectrum. Inorganic Chemistry. 51: 9846-51. PMID 22928580 DOI: 10.1021/Ic301270B  0.698
2012 Stanton JF, Garand E, Kim J, Yacovitch TI, Hock C, Case AS, Miller EM, Lu YJ, Vogelhuber KM, Wren SW, Ichino T, Maier JP, McMahon RJ, Osborn DL, Neumark DM, et al. Ground and low-lying excited states of propadienylidene (H2C=C=C:) obtained by negative ion photoelectron spectroscopy. The Journal of Chemical Physics. 136: 134312. PMID 22482557 DOI: 10.1063/1.3696896  0.342
2012 Pharr CR, Kopff LA, Bennett B, Reid SA, McMahon RJ. Photochemistry of furyl- and thienyldiazomethanes: spectroscopic characterization of triplet 3-thienylcarbene. Journal of the American Chemical Society. 134: 6443-54. PMID 22463599 DOI: 10.1021/Ja300927D  0.795
2012 Dawson K, Kopff LA, Zhu L, McMahon RJ, Yu L, Richert R, Ediger MD. Molecular packing in highly stable glasses of vapor-deposited tris-naphthylbenzene isomers. The Journal of Chemical Physics. 136: 094505. PMID 22401450 DOI: 10.1063/1.3686801  0.769
2012 Esselman BJ, McMahon RJ. Effects of ethynyl substitution on cyclobutadiene. The Journal of Physical Chemistry. A. 116: 483-90. PMID 22185351 DOI: 10.1021/Jp206478Q  0.694
2012 Sebree JA, Kidwell NM, Selby TM, Amberger BK, McMahon RJ, Zwier TS. Photochemistry of benzylallene: ring-closing reactions to form naphthalene. Journal of the American Chemical Society. 134: 1153-63. PMID 22148423 DOI: 10.1021/Ja209189G  0.423
2012 Kemnitz CR, Ball ES, McMahon RJ. Photochemistry of CpMn(CO) 3 and related derivatives: Spectroscopic observation of singlet and triplet CpMn(CO) 2 Organometallics. 31: 70-84. DOI: 10.1021/Om200555E  0.794
2012 George L, Kalume A, Reid SA, Esselman BJ, McMahon RJ. Spectroscopic and computational studies of matrix-isolated iso-CXBr 3 (X = F, Cl, Br): Structure, properties, and photochemistry of substituted iso-tribromomethanes Journal of Molecular Structure. 1025: 61-68. DOI: 10.1016/J.Molstruc.2011.12.018  0.721
2011 Vogelhuber KM, Wren SW, Shaffer CJ, McMahon RJ, McCoy AB, Lineberger WC. Photoelectron spectroscopy of HC4N-. The Journal of Chemical Physics. 135: 204307. PMID 22128935 DOI: 10.1063/1.3663617  0.684
2011 George L, Kalume A, Esselman BJ, Wagner J, McMahon RJ, Reid SA. Spectroscopic and computational studies of matrix-isolated iso-CHBr3: structure, properties, and photochemistry of iso-bromoform. The Journal of Chemical Physics. 135: 124503. PMID 21974531 DOI: 10.1063/1.3640887  0.737
2011 Preston TJ, Dutta M, Esselman BJ, Kalume A, George L, McMahon RJ, Reid SA, Crim FF. Formation and relaxation dynamics of iso-CH2Cl-I in cryogenic matrices. The Journal of Chemical Physics. 135: 114503. PMID 21950867 DOI: 10.1063/1.3633697  0.729
2011 George L, Kalume A, Esselman B, McMahon RJ, Reid SA. Pulsed jet discharge matrix isolation and computational study of bromine atom complexes: Br···BrXCH(2) (X = H, Cl, Br). The Journal of Physical Chemistry. A. 115: 9820-7. PMID 21809843 DOI: 10.1021/Jp205561H  0.691
2011 Menke JL, McMahon RJ. Photochemistry of matrix-isolated 5-cyano-2H-pyran-2-one (δ-cyano-α-pyrone) and cyanocyclobuta-1,3-diene Canadian Journal of Chemistry. 89: 186-194. DOI: 10.1139/V10-094  0.742
2011 Dawson K, Zhu L, Kopff LA, McMahon RJ, Yu L, Ediger MD. Highly stable vapor-deposited glasses of four tris-naphthylbenzene isomers Journal of Physical Chemistry Letters. 2: 2683-2687. DOI: 10.1021/Jz201174M  0.769
2011 Bowling NP, Burrmann NJ, Halter RJ, Hodges JA, McMahon RJ. ChemInform Abstract: Synthesis of Simple Diynals, Diynones, Their Hydrazones, and Diazo Compounds: Precursors to a Family of Dialkynyl Carbenes (R1-CC-C-CC-R2). Cheminform. 42: no-no. DOI: 10.1002/chin.201105040  0.758
2010 Hopf H, Mlynek C, McMahon RJ, Menke JL, Lesarri A, Rosemeyer M, Grabow JU. On the trimerization of cyanoacetylene: mechanism of formation of tricyanobenzene isomers and laboratory detection of their radio spectra. Chemistry (Weinheim An Der Bergstrasse, Germany). 16: 14115-23. PMID 20967903 DOI: 10.1002/Chem.201001648  0.786
2010 Bowling NP, Burrmann NJ, Halter RJ, Hodges JA, McMahon RJ. Synthesis of simple diynals, diynones, their hydrazones, and diazo compounds: precursors to a family of dialkynyl carbenes (R(1)-C≡C-C-C≡C-R(2)). The Journal of Organic Chemistry. 75: 6382-90. PMID 20812705 DOI: 10.1021/Jo101125Y  0.768
2010 Thomas PS, Bowling NP, Burrmann NJ, McMahon RJ. Dialkynyl carbene derivatives: generation and characterization of triplet tert-butylpentadiynylidene (t-Bu-C≡C-C̈-C≡C-H) and dimethylpentadiynylidene (Me-C≡C-C̈-C≡C-Me). The Journal of Organic Chemistry. 75: 6372-81. PMID 20812698 DOI: 10.1021/Jo101096N  0.795
2010 Menke JL, Patterson EV, McMahon RJ. Effects of cyano substituents on cyclobutadiene and its isomers. The Journal of Physical Chemistry. A. 114: 6431-7. PMID 20465222 DOI: 10.1021/Jp101963P  0.787
2010 Shaffer CJ, Esselman BJ, McMahon RJ, Stanton JF, Woods RC. Attempted isolation and characterization of diazirinone (N2CO). The Journal of Organic Chemistry. 75: 1815-21. PMID 20151692 DOI: 10.1021/Jo9026462  0.805
2010 Swallen SF, Windsor K, McMahon RJ, Ediger MD, Mates TE. Transformation of stable glasses into supercooled liquids: growth fronts and anomalously fast liquid diffusion. The Journal of Physical Chemistry. B. 114: 2635-43. PMID 20141127 DOI: 10.1021/Jp9107359  0.717
2009 Seburg RA, Patterson EV, McMahon RJ. Structure of triplet propynylidene (HCCCH) as probed by IR, UV/vis, and EPR spectroscopy of isotopomers. Journal of the American Chemical Society. 131: 9442-55. PMID 19530683 DOI: 10.1021/Ja901606A  0.718
2009 Thomas PS, Bowling NP, McMahon RJ. Spectroscopy and photochemistry of triplet methylpentadiynylidene (Me-C[triple bond]C-:C-C[triple bond]C-H). Journal of the American Chemical Society. 131: 8649-59. PMID 19459629 DOI: 10.1021/Ja901977S  0.798
2009 Seburg RA, Hodges JA, McMahon RJ. Propynal equivalents and diazopropyne: Synthesis of all mono-13C isotopomers Helvetica Chimica Acta. 92: 1626-1643. DOI: 10.1002/Hlca.200800446  0.602
2008 Pharr CR, McMahon RJ. Organic Chemistry: Synthesis and Study of Reactive Intermediates Found in Interstellar Space Journal of Chemical Education. 85: 1454. DOI: 10.1021/Ed085P1454  0.767
2007 Bonvallet PA, Breitkreuz CJ, Kim YS, Todd EM, Traynor K, Fry CG, Ediger MD, McMahon RJ. Organic glass-forming materials: 1,3,5-tris(naphthyl)benzene derivatives. The Journal of Organic Chemistry. 72: 10051-7. PMID 18020366 DOI: 10.1021/Jo701921M  0.789
2007 DePinto JT, deProphetis WA, Menke JL, McMahon RJ. Triplet 1,3-diphenylpropynylidene (Ph-C-C-C-Ph). Journal of the American Chemical Society. 129: 2308-15. PMID 17279747 DOI: 10.1021/Ja066300J  0.787
2007 Swallen SF, Kearns KL, Mapes MK, Kim YS, McMahon RJ, Ediger MD, Wu T, Yu L, Satija S. Organic glasses with exceptional thermodynamic and kinetic stability. Science (New York, N.Y.). 315: 353-6. PMID 17158289 DOI: 10.1126/Science.1135795  0.405
2007 Widicus Weaver SL, Remijan AJ, Mcmahon RJ, Mccall BJ. A search for ortho-benzyne (o-C6H4) in CRL 618 Astrophysical Journal. 671: L153-L156. DOI: 10.1086/525042  0.321
2006 Kim YS, Inui H, McMahon RJ. Ring opening of 2,5-didehydrothiophene: matrix photochemistry of C4H2S isomers. The Journal of Organic Chemistry. 71: 9602-8. PMID 17168576 DOI: 10.1021/Jo061678L  0.48
2006 Bowling NP, McMahon RJ. Enediyne isomers of tetraethynylethene. The Journal of Organic Chemistry. 71: 5841-7. PMID 16872161 DOI: 10.1021/Jo052505J  0.756
2006 Swallen SF, Mapes MK, Kim YS, McMahon RJ, Ediger MD, Satija S. Neutron reflectivity measurements of the translational motion of tris(naphthylbenzene) at the glass transition temperature. The Journal of Chemical Physics. 124: 184501. PMID 16709120 DOI: 10.1063/1.2191492  0.4
2006 Bowling NP, Halter RJ, Hodges JA, Seburg RA, Thomas PS, Simmons CS, Stanton JF, McMahon RJ. Reactive carbon-chain molecules: synthesis of 1-diazo-2,4-pentadiyne and spectroscopic characterization of triplet pentadiynylidene (H-C[triple bond]C-:C-C[triple bond]C-H). Journal of the American Chemical Society. 128: 3291-302. PMID 16522111 DOI: 10.1021/Ja058252T  0.814
2005 Kim YS, McMahon RJ. Ring opening of 2,5-didehydrothiophene: structures and rearrangements of C4H2S isomers. The Journal of Organic Chemistry. 70: 8171-9. PMID 16277344 DOI: 10.1021/Jo051395D  0.467
2005 Lovas FJ, McMahon RJ, Grabow JU, Schnell M, Mack J, Scott LT, Kuczkowski RL. Interstellar chemistry: a strategy for detecting polycyclic aromatic hydrocarbons in space. Journal of the American Chemical Society. 127: 4345-9. PMID 15783216 DOI: 10.1021/Ja0426239  0.312
2003 Swallen SF, Bonvallet PA, McMahon RJ, Ediger MD. Self-diffusion of tris-naphthylbenzene near the glass transition temperature. Physical Review Letters. 90: 015901. PMID 12570626 DOI: 10.1103/Physrevlett.90.015901  0.761
2003 McMahon RJ, McCarthy MC, Gottlieb CA, Dudek JB, Stanton JF, Thaddeus P. The radio spectrum of the phenyl radical Astrophysical Journal. 590: L61-L64. DOI: 10.1086/376587  0.357
2003 Schwartz MP, Halter RJ, McMahon RJ, Hamers RJ. Formation of an atomically abrupt interface between a polycyclic aromatic molecule and the silicon (001) surface via direct Si-C linkage Journal of Physical Chemistry B. 107: 224-228. DOI: 10.1021/Jp0265844  0.678
2002 Bonvallet PA, Todd EM, Kim YS, McMahon RJ. Access to the naphthylcarbene rearrangement manifold via isomeric benzodiazocycloheptatrienes. The Journal of Organic Chemistry. 67: 9031-42. PMID 12467426 DOI: 10.1021/Jo020304Z  0.799
2001 Halter RJ, Fimmen RL, McMahon RJ, Peebles SA, Kuczkowski RL, Stanton JF. Microwave spectra and molecular structures of (Z)-pent-2-en-4-ynenitrile and maleonitrile. Journal of the American Chemical Society. 123: 12353-63. PMID 11734037 DOI: 10.1021/Ja011195T  0.72
2001 Nicolaides A, Matsushita T, Yonezawa K, Sawai S, Tomioka H, Stracener LL, Hodges JA, McMahon RJ. The elusive benzocyclobutenylidene: a combined computational and experimental attempt. Journal of the American Chemical Society. 123: 2870-6. PMID 11456975 DOI: 10.1021/Ja0039482  0.653
2000 Stracener LL, Halter RJ, McMahon RJ, Castro C, Karney WL. Singlet-triplet energy separation of cyclobutylidene The Journal of Organic Chemistry. 65: 199-204. PMID 10813916 DOI: 10.1021/Jo9914925  0.72
2000 Hodges JA, McMahon RJ, Sattelmeyer KW, Stanton JF. Electronic spectrum of propadienylidene (H2C=C=C:) and its relevance to the diffuse interstellar bands Astrophysical Journal. 544: 838-842. DOI: 10.1086/317251  0.606
2000 McMahon RJ, Halter RJ, Fimmen RL, Wilson RJ, Peebles SA, Kuczkowski RL, Stanton JF. Equilibrium structure of cis-hex-3-ene-1,5-diyne and relevance to the Bergman cyclization Journal of the American Chemical Society. 122: 939-949. DOI: 10.1021/Ja9934908  0.718
2000 Breitung EM, Shu CF, McMahon RJ. Thiazole and thiophene analogues of donor-acceptor stilbenes: Molecular hyperpolarizabilities and structure-property relationships Journal of the American Chemical Society. 122: 1154-1160. DOI: 10.1021/Ja9930364  0.355
2000 Hodges JA, McMahon RJ, Sattelmeyer KW, Stanton JF. Electronic spectrum of propadienylidene (H2C=C=C:) and its relevance to the diffuse interstellar bands Astrophysical Journal. 544: 838-842. DOI: 10.1021/Ja961900B  0.534
2000 Bonvallet PA, McMahon RJ. Generation, characterization, and rearrangements of 4,5-benzocyclohepta-1,2,4,6-tetraene [19] Journal of the American Chemical Society. 122: 9332-9333. DOI: 10.1021/Ja001291E  0.757
1999 Breitung EM, Mcmahon RJ. Structure-property relationships in organic nonlinear optical materials Materials Research Society Symposium - Proceedings. 561: 39-43. DOI: 10.1557/Proc-561-39  0.323
1999 Bonvallet PA, McMahon RJ. Photoequilibration of 1-naphthylcarbene and 4,5- benzobicyclo[4.1.0]hepta-2,4,6-triene Journal of the American Chemical Society. 121: 10496-10503. DOI: 10.1021/Ja9920157  0.784
1999 Nicolaides A, Nakayama T, Yamazaki K, Tomioka H, Koseki S, Stracener LL, McMahon RJ. Of ortho-conjugatively linked reactive intermediates: The cases of ortho-phenylene-(bis)nitrene, -carbenonitrene, and -(bis)carbene Journal of the American Chemical Society. 121: 10563-10572. DOI: 10.1021/Ja9913636  0.404
1999 Zhu Z, Bally T, Stracener LL, McMahon RJ. Reversible interconversion between singlet and triplet 2- naphthyl(carbomethoxy)carbene Journal of the American Chemical Society. 121: 2863-2874. DOI: 10.1021/Ja983277W  0.399
1998 Yeung M, Ng AC, Drew MG, Vorpagel E, Breitung EM, McMahon RJ, Ng DK. Facile Synthesis and Nonlinear Optical Properties of Push-Pull 5,15-Diphenylporphyrins. The Journal of Organic Chemistry. 63: 7143-7150. PMID 11672352 DOI: 10.1021/Jo971597C  0.312
1997 Patterson EV, McMahon RJ. Rearrangements of C(7)H(6) Isomers: Computational Studies of the Interconversions of Bicyclo[3.2.0]hepta-1,3,6-triene, Bicyclo[3.2.0]hepta-3,6-diene-2-ylidene, Bicyclo[3.2.0]hepta-2,3,6-triene, and Cyclohepta-1,2,4,6-tetraene. The Journal of Organic Chemistry. 62: 4398-4405. PMID 11671766 DOI: 10.1021/Jo9613848  0.729
1997 Seburg RA, McMahon RJ, Stanton JF, Gauss J. Structures and stabilities of C5H2 isomers: Quantum chemical studies Journal of the American Chemical Society. 119: 10838-10845. DOI: 10.1021/Ja971412J  0.369
1997 Seburg RA, Patterson EV, Stanton JF, McMahon RJ. Structures, automerizations, and isomerizations of C3H2 isomers Journal of the American Chemical Society. 119: 5847-5856. DOI: 10.1021/Ja9638869  0.722
1996 Whitaker CM, McMahon RJ. Synthesis and characterization of organic materials with conveniently accessible supercooled liquid and glassy phases: Isomeric 1,3,5-tris(naphthyl)benzenes Journal of Physical Chemistry. 100: 1081-1090. DOI: 10.1021/Jp9529329  0.378
1996 Whitaker CM, Patterson EV, Kott KL, McMahon RJ. Nitrogen and oxygen donors in nonlinear optical materials: Effects of alkyl vs phenyl substitution on the molecular hyperpolarizability Journal of the American Chemical Society. 118: 9966-9973. DOI: 10.1021/Ja960284G  0.682
1996 Matzinger S, Bally T, Patterson EV, McMahon RJ. The C7H6 potential energy surface revisited: Relative energies and IR assignment Journal of the American Chemical Society. 118: 1535-1542. DOI: 10.1021/Ja953579N  0.355
1995 Seburg RA, DePinto JT, Patterson EV, McMahon RJ. Structure of Triplet Propynylidene Journal of the American Chemical Society. 117: 835-836. DOI: 10.1021/Ja00107A035  0.665
1993 Albrecht SW, McMahon RJ. Photoequilibration of 2-naphthylcarbene and 2,3-benzobicyclo[4.1.0]hepta-2,4,6-triene Journal of the American Chemical Society. 115: 855-859. DOI: 10.1021/Ja00056A005  0.345
1992 Kott KL, McMahon RJ. Regiochemistry of acetylation of ferrocenylarylethylenes Journal of Organic Chemistry. 57: 3097-3101. DOI: 10.1021/Jo00037A028  0.352
1992 Barnhart TM, McMahon RJ. Spectroscopic observation of a thermal carbon-hydrogen bond insertion reaction at 5 K: intramolecular rearrangement of Fe(CO)3(.eta.2-C3H6) to produce HFe(CO)3(.eta.3-C3H5) Journal of the American Chemical Society. 114: 5434-5435. DOI: 10.1021/Ja00039A070  0.301
1989 Forcé RK, McMahon RJ, Yu J, Wrighton MS. Spectroscopic detection of excited-state electron transfer in porphyrin viologen systems Spectrochimica Acta Part a: Molecular Spectroscopy. 45: 23-30. DOI: 10.1016/0584-8539(89)80023-6  0.511
1988 McMahon RJ, Forcé RK, Patterson HH, Wrighton MS. Intramolecular excited-state electron transfer in a covalently linked porphyrin-viologen molecule: Direct observation of the charge-separated intermediate by resonance Raman spectroscopy Journal of the American Chemical Society. 110: 2670-2672. DOI: 10.1021/Ja00216A063  0.506
1988 Chapman OL, Johnson JW, McMahon RJ, West PR. Rearrangements of the isomeric tolylmethylenes Journal of the American Chemical Society. 110: 501-509. DOI: 10.1021/Ja00210A032  0.472
1988 CHAPMAN OL, JOHNSON JW, MCMAHON RJ, WEST PR. ChemInform Abstract: Rearrangements of the Isomeric Tolylmethylenes. Cheminform. 19. DOI: 10.1002/chin.198818076  0.491
1987 McMahon RJ, Abelt CJ, Chapman OL, Johnson JW, Kreil CL, LeRoux JP, Mooring AM, West PR. 1,2,4,6-Cycloheptatetraene: The key intermediate in arylcarbene interconversions and related C7H6 rearrangements Journal of the American Chemical Society. 109: 2456-2469. DOI: 10.1021/Ja00242A034  0.698
1987 McMahon RJ, Chapman OL. Direct spectroscopic observation of intramolecular hydrogen shifts in carbenes Journal of the American Chemical Society. 109: 683-692. DOI: 10.1021/Ja00237A008  0.505
1987 MCMAHON RJ, ABELT CJ, CHAPMAN OL, JOHNSON JW, KREIL CL, LEROUX J, MOORING AM, WEST PR. ChemInform Abstract: 1,2,4,6-Cycloheptatetraene: The Key Intermediate in Arylcarbene Interconversions and Related C7H6 Rearrangements. Cheminform. 18. DOI: 10.1002/chin.198734167  0.683
1986 West PR, Mooring AM, McMahon RJ, Chapman OL. Benzobicyclo[4.1.0]hepta-2,4,6-trienes Journal of Organic Chemistry. 51: 1316-1320. DOI: 10.1002/Chin.198642163  0.509
1986 McMahon RJ, Chapman OL. Triplet ground-state cycloheptatrienylidene Journal of the American Chemical Society. 108: 1713-1714. DOI: 10.1002/Chin.198630120  0.522
1985 McMahon RJ, Chapman OL, Hayes RA, Hess TC, Krimmer HP. Mechanistic studies on the Wolff rearrangement: The chemistry and spectroscopy of some α-ketocarbenes Journal of the American Chemical Society. 107: 7597-7606. DOI: 10.1002/Chin.198613115  0.514
1985 CHAPMAN OL, MCMAHON RJ, WEST PR. ChemInform Abstract: REARRANGEMENTS OF TOLYLMETHYLENES VIA CYCLOHEPTATETRAENES: FORMATION OF BENZOCYCLOBUTENE AND STYRENE Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198515140  0.484
1984 Chapman OL, McMahon RJ, West PR. Rearrangements of tolylmethylenes via cycloheptatetraenes: Formation of benzocyclobutene and styrene Journal of the American Chemical Society. 106: 7973-7974. DOI: 10.1002/Chin.198515140  0.522
1983 Hayes RA, Hess TC, McMahon RJ, Chapman OL. Photochemical Wolff rearrangement of a triplet ground-state carbene Journal of the American Chemical Society. 105: 7786-7787. DOI: 10.1002/Chin.198414108  0.537
1981 McMahon RJ, Wiegers KE, Smith SG. Stereoselectivity of lithium aluminum hydride and lithium alkoxyaluminohydride reductions of 3,3,5-trimethylcyclohexanone in diethyl ether The Journal of Organic Chemistry. 46: 99-101. DOI: 10.1021/Jo00314A021  0.509
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