Richard P. Messmer - Publications

Affiliations: 
Department of Physics and Astronomy University of Pennsylvania, Philadelphia, PA, United States 

74 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
2001 Sejpal M, Messmer RP. Calculations using generalized valence bond based Møller–Plesset perturbation theory Journal of Chemical Physics. 114: 4796-4804. DOI: 10.1063/1.1345513  0.383
2001 Sejpal M, Messmer RP. On the size extensivity of second-order Møller–Plesset perturbation theory based on a perfectly-paired generalized valence bond reference wavefunction Chemical Physics. 270: 237-243. DOI: 10.1016/S0301-0104(01)00379-2  0.335
1996 Chawla S, Messmer RP. Hyperfine properties of bond-center muonium and hydrogen in diamond Applied Physics Letters. 69: 3251-3253. DOI: 10.1063/1.118026  0.354
1995 Chawla S, Messmer RP. Accurate Fermi contact couplings of radicals using multireference perturbation theory Journal of Chemical Physics. 103: 7442-7462. DOI: 10.1063/1.470316  0.311
1993 Murphy RB, Messmer RP. A generalized valence bond representation of complete‐active‐space self‐consistent‐field (CASSCF) wave functions The Journal of Chemical Physics. 98: 7958-7968. DOI: 10.1063/1.464550  0.357
1993 Schultz PA, Messmer RP. The nature of multiple bonds. 3. Benzene, bent bonds, and resonance Journal of the American Chemical Society. 115: 10943-10951. DOI: 10.1021/Ja00076A060  0.39
1993 Schultz PA, Messmer RP. The nature of multiple bonds. 2. Significance of the perfect-pairing approximation Journal of the American Chemical Society. 115: 10938-10942. DOI: 10.1021/Ja00076A059  0.389
1993 Schultz PA, Messmer RP. The nature of multiple bonds. 1. .sigma.,.pi. Bonds versus bent bonds, a computational survey Journal of the American Chemical Society. 115: 10925-10937. DOI: 10.1021/Ja00076A058  0.37
1992 Murphy RB, Messmer RP. Generalized Mo/ller–Plesset and Epstein–Nesbet perturbation theory applied to multiply bonded molecules The Journal of Chemical Physics. 97: 4170-4184. DOI: 10.1063/1.463992  0.366
1992 Murphy RB, Messmer RP. Correlation in first-row transition metal atoms using generalized Mo/ller–Plesset perturbation theory The Journal of Chemical Physics. 97: 4974-4985. DOI: 10.1063/1.463850  0.365
1992 Messmer RP, Patterson CH. Long bonds in silicon clusters: a failure of conventional Møller—Plesset perturbation theory? Chemical Physics Letters. 192: 277-282. DOI: 10.1016/0009-2614(92)85465-M  0.377
1991 Messmer RP. Valence bonds in the main group elements. Generalized valence bond description Journal of the American Chemical Society. 113: 433-440. DOI: 10.1021/Ja00002A008  0.338
1991 Lynam MM, Interrante LV, Patterson CH, Messmer RP. Comparison of isoelectronic aluminum-nitrogen and silicon-carbon double bonds using valence bond methods Inorganic Chemistry. 30: 1918-1922. DOI: 10.1021/Ic00008A044  0.377
1991 Murphy RB, Messmer RP. Generalized Møller—Plesset perturbation theory applied to general MCSCF reference wave functions Chemical Physics Letters. 183: 443-448. DOI: 10.1016/0009-2614(91)90407-Z  0.306
1990 Messmer RP, Tang WX, Wang HX. Classical effective particles as electronic degrees of freedom in molecular-dynamics simulations. Physical Review. B, Condensed Matter. 42: 9241-9244. PMID 9995158 DOI: 10.1103/Physrevb.42.9241  0.332
1990 Wang HX, Messmer RP. Valence-bond model for silicon force fields. Physical Review. B, Condensed Matter. 41: 5306-5311. PMID 9994393 DOI: 10.1103/Physrevb.41.5306  0.374
1990 Patterson CH, Messmer RP. Valence bonds in the Main Group elements. 2. The sulfur oxides Journal of the American Chemical Society. 112: 4138-4150. DOI: 10.1021/Ja00167A007  0.383
1989 Patterson CH, Messmer RP. The role of d functions in sulfur oxide molecules Journal of the American Chemical Society. 111: 8059-8060. DOI: 10.1021/Ja00202A080  0.371
1989 Schultz PA, Messmer RP. Shift in XPS levels in ionic adsorbate layers due to electrostatic effects Surface Science. 209: 229-242. DOI: 10.1016/0167-2584(89)90607-5  0.322
1988 Schultz PA, Messmer RP. Generalized valence bond description of multiple bonds Journal of the American Chemical Society. 110: 8258-8259. DOI: 10.1021/Ja00232A061  0.347
1988 Messmer RP. Bent bond, hybrid orbitals and photoelectron spectroscopy Journal of Molecular Structure-Theochem. 169: 137-154. DOI: 10.1016/0166-1280(88)80256-2  0.399
1987 Schultz PA, Messmer RP. Are there pi bonds in benzene? Physical Review Letters. 58: 2416-2419. PMID 10034743 DOI: 10.1103/Physrevlett.58.2416  0.331
1987 Schultz PA, Patterson CH, Messmer RP. K-CO on transition metals: A local ionic interaction Journal of Vacuum Science and Technology a: Vacuum, Surfaces and Films. 5: 1061-1064. DOI: 10.1116/1.574186  0.412
1987 Schultz PA, Messmer RP. Are there π bonds in benzene? Physical Review Letters. 58: 2416-2419. DOI: 10.1103/PhysRevLett.58.2416  0.319
1987 Messmer RP, Schultz PA. The electronic structure of the benzene molecule Nature. 329: 492-492. DOI: 10.1038/329492A0  0.339
1987 Messmer RP. Superconductivity as a synchronous spatial alternation of valence bonds Solid State Communications. 63: 405-408. DOI: 10.1016/0038-1098(87)91138-0  0.367
1986 Freund H, Messmer RP, Spiess W, Behner H, Wedler G, Kao CM. Interpretation of electronic excitations in coordinated CO systems as observed by electron-energy-loss spectroscopy. Physical Review. B, Condensed Matter. 33: 5228-5240. PMID 9939020 DOI: 10.1103/Physrevb.33.5228  0.332
1986 Schultz PA, Messmer RP. Valence-bond theory of off-center impurities in silicon: Substitutional nitrogen Physical Review B. 34: 2532-2553. DOI: 10.1103/PhysRevB.34.2532  0.343
1986 Messmer RP, Schultz PA, Tatar RC, Freund HJ. Theoretical evidence for "bent bonds" in the co2 molecule Chemical Physics Letters. 126: 176-180. DOI: 10.1016/S0009-2614(86)80034-3  0.374
1986 Freund H-, Messmer RP. On the bonding and reactivity of CO2 on metal surfaces Surface Science. 172: 1-30. DOI: 10.1016/0039-6028(86)90580-7  0.396
1985 Freund H, Messmer RP, Kao CM, Plummer EW. Interpretation of the N 1s photoelectron spectra of chemisorbed N2 in terms of local molecule-metal interactions. Physical Review. B, Condensed Matter. 31: 4848-4853. PMID 9936444 DOI: 10.1103/Physrevb.31.4848  0.472
1985 Messmer RP. Theoretical overview of electronic structure and bonding of adsorbates Surface Science. 158: 40-57. DOI: 10.1016/0167-2584(85)90005-2  0.437
1985 Plummer E, Chen C, Ford W, Eberhardt W, Messmer R, Freund H. A comparison of surface electron spectroscopies Surface Science. 158: 58-83. DOI: 10.1016/0039-6028(85)90288-2  0.514
1985 Messmer RP. Electronic structure theory and defect states in semiconductors Journal of Non-Crystalline Solids. 75: 285-296. DOI: 10.1016/0022-3093(85)90233-9  0.358
1984 Heskett D, Plummer EW, Messmer RP. Summary Abstract: Correlation between anomalous electronic and vibrational properties of chemisorbed systems Journal of Vacuum Science and Technology a: Vacuum, Surfaces and Films. 2: 1084-1086. DOI: 10.1116/1.572674  0.49
1984 Heskett D, Plummer EW, Messmer RP. A correlation between anomalous electronic and vibrational properties of Chemisorbed molecules Surface Science. 139: 558-568. DOI: 10.1016/0039-6028(84)90070-0  0.57
1984 Messmer RP, Schultz PA. A valence bond theory of off-center impurities in silicon Solid State Communications. 52: 563-566. DOI: 10.1016/0038-1098(84)90878-0  0.435
1984 Kao CM, Messmer RP. The origins of correlation effects in the valence ionization energies of N2: A generalized-valence-bond interpretation Chemical Physics Letters. 106: 183-186. DOI: 10.1016/0009-2614(84)80222-5  0.337
1983 Lamson SH, Messmer RP. A local density functional—LCAO method with effective potentials for obtaining the electronic structure of molecules and clusters Chemical Physics Letters. 98: 72-76. DOI: 10.1016/0009-2614(83)80205-X  0.394
1982 Messmer RP, Lamson SH, Salahub DR. Interpretation of satellite structure in the x-ray photoelectron spectra of CO adsorbed on Cu(100) Physical Review B. 25: 3576-3592. DOI: 10.1103/Physrevb.25.3576  0.326
1982 Salahub D, Lamson S, Messmer R. Is there correlation in Xα? Chemical Physics Letters. 85: 430-433. DOI: 10.1016/0009-2614(82)83487-8  0.317
1982 Messmer RP, Lamson SH. A comparison of Xα LCAO and Xα scattered wave results for A Ni4 cluster Chemical Physics Letters. 90: 31-34. DOI: 10.1016/0009-2614(82)83319-8  0.346
1982 Messmer RP, Caves TC, Kao CM. The inadequacy of symmetry-restricted Hartree-Fock theory in determining the relative s- and d-like ionization potentials in Ni and Cu clusters Chemical Physics Letters. 90: 296-300. DOI: 10.1016/0009-2614(82)83243-0  0.314
1981 Salahub D, Messmer R. Magnetic order in transition metal clusters: A molecular orbital study Surface Science. 106: 415-421. DOI: 10.1016/0039-6028(81)90230-2  0.352
1981 Messmer RP. Theoretical treatment of the electronic structure of small metallic particles Surface Science. 106: 225-238. DOI: 10.1016/0039-6028(81)90205-3  0.383
1981 Messmer RP, Wong J. Types of short-range order in amorphous inorganic solids Journal of Non-Crystalline Solids. 45: 1-13. DOI: 10.1016/0022-3093(81)90084-3  0.364
1980 Roche M, Salahub DR, Messmer RP. Scattered-wave calculations of photoionization cross-sections and asymmetry parameters for CO, H2O and H2S Journal of Electron Spectroscopy and Related Phenomena. 19: 273-284. DOI: 10.1016/0368-2048(80)87009-5  0.335
1980 Messmer R, Lamson S, Salahub D. CO on Cu (100): Assignment of the Ols and Cls x-ray photoelectron core spectra Solid State Communications. 36: 265-270. DOI: 10.1016/0038-1098(80)90274-4  0.313
1979 Messmer RP. The Xα‐scattered wave cluster approach to modeling interfaces Journal of Vacuum Science and Technology. 16: 1323-1326. DOI: 10.1116/1.570150  0.335
1979 Messmer RP, Lamson SH. Simple theoretical treatment of shake-up satellites arising from core and valence level ionizations of a chemisorbed molecule Chemical Physics Letters. 65: 465-468. DOI: 10.1016/0009-2614(79)80272-9  0.354
1979 JOHNSON KH, YANG CY, VVEDENSKY D, MESSMER RP, SALAHUB DR. ChemInform Abstract: ELECTRONIC STRUCTURE OF METAL AND ALLOY SURFACES Chemischer Informationsdienst. 10. DOI: 10.1002/Chin.197939317  0.407
1978 Salahub DR, Roche M, Messmer RP. Chemisorption of oxygen atoms on aluminum (111): A molecular-orbital cluster study Physical Review B. 18: 6495-6505. DOI: 10.1103/Physrevb.18.6495  0.34
1978 Messmer R, Salahub D, Davenport J. Calculation of angular dependence of photoemission for the Al(100) + O system using a simple molecular orbital cluster model Chemical Physics Letters. 57: 29-32. DOI: 10.1016/0009-2614(78)80344-3  0.347
1977 Herman F, Salahub DR, Messmer RP. Xαscattered-wave calculations for dimers and trimers of tetrathiafulvalene (TTF) and tetracyanoquinodimethane (TCNQ) Physical Review B. 16: 2453-2465. DOI: 10.1103/Physrevb.16.2453  0.372
1977 Messmer RP, Salahub DR, Johnson KH, Yang CY. The interaction of atomic hydrogen with Ni, Pd, and Pt clusters Chemical Physics Letters. 51: 84-89. DOI: 10.1016/0009-2614(77)85360-8  0.366
1977 Messmer R, Salahub D. Orbital resonances in the chemisorption of oxygen on an aluminum (100) surface Chemical Physics Letters. 49: 59-63. DOI: 10.1016/0009-2614(77)80441-7  0.371
1976 Messmer R, Salahub D. On the nature of the interchain coupling in (SN)x Chemical Physics Letters. 41: 73-76. DOI: 10.1016/0009-2614(76)85250-5  0.336
1976 Maylotte DH, Peters RLS, Messmer RP. Theoretical calculations of the electronic structure and optical transitions of UF6 and UF5 Chemical Physics Letters. 38: 181-184. DOI: 10.1016/0009-2614(76)80285-0  0.365
1975 Messmer RP, Tucker CW, Johnson KH. A comparison of SCF-Xα and extended Hückel methods for metal clusters Chemical Physics Letters. 36: 423-426. DOI: 10.1016/0009-2614(75)80272-7  0.35
1974 Messmer RP, Interrante LV, Johnson KH. Electronic structure of square-planar transition metal complexes. I. Tetrachloroplatinate(2-) and tetrachloropalladate(2-) ions Journal of the American Chemical Society. 96: 3847-3854. DOI: 10.1021/Ja00819A024  0.313
1974 Messmer RP, Tucker CW, Johnson KH. A theoretical interpretation of photoelectron energy spectra for oxygen chemisorbed on nickel Surface Science. 42: 341-354. DOI: 10.1016/0039-6028(74)90024-7  0.332
1974 Interrante LV, Messmer RP. The electronic structure of the Pt (CN)2-4 ion Chemical Physics Letters. 26: 225-228. DOI: 10.1016/0009-2614(74)85402-3  0.324
1974 Messmer RP, Interrante LV, Johnson KH. Electronic Structure Of Square-Planar Transition Metal Complexes Part 1, The Ptcl4(2-) And Pdcl4(2-) Ions Cheminform. 5. DOI: 10.1002/Chin.197433001  0.314
1973 Weigel C, Peak D, Corbett JW, Watkins GD, Messmer RP. Carbon interstitial in the diamond lattice Physical Review B. 8: 2906-2915. DOI: 10.1103/Physrevb.8.2906  0.371
1973 Johnson KH, Messmer RP, Connolly JWD. Localized electronic excitations in nickel oxide Solid State Communications. 12: 313-316. DOI: 10.1016/0038-1098(73)90762-X  0.377
1973 Weigel C, Messmer RP, Corbett JW. Semi-empirical lcao band structure calculation on the transition of diamond into the metallic state under pressure Solid State Communications. 13: 723-726. DOI: 10.1016/0038-1098(73)90468-7  0.308
1973 Messmer RP, Wahlgren U, Johnson KH. Ligand field transitions in PtCl2−4 calculated by the SCF Xα scattered-wave method Chemical Physics Letters. 18: 7-10. DOI: 10.1016/0009-2614(73)80325-2  0.311
1973 Weigel C, Messmer RP, Corbett JW. Semi‐Empirical LCAO Band Structures for Different Crystalline Phases of Tellurium Physica Status Solidi B-Basic Solid State Physics. 57: 455-464. DOI: 10.1002/Pssb.2220570203  0.308
1972 Messmer RP, McCarroll B, Singal CM. Molecular Orbital Approach to Chemisorption. IV. LCAO Band Structures and the Molecular Unit Cell Journal of Vacuum Science and Technology. 9: 891-894. DOI: 10.1116/1.1317812  0.397
1972 Choi JH, Messmer RP, Thorson WR. Reduced density matrices for valence bond wavefunctions. II. Symmetry and reduction procedures for square planar nets The Journal of Chemical Physics. 57: 277-285. DOI: 10.1063/1.1677954  0.389
1971 Bennett AJ, McCarroll B, Messmer RP. A molecular orbital approach to chemisorption: I. Atomic hydrogen on graphite Surface Science. 24: 191-208. DOI: 10.1016/0039-6028(71)90228-7  0.387
1971 McCarroll B, Messmer RP. A molecular orbital approach to chemisorption: III. Atomic H and O on graphitic BN Surface Science. 27: 451-462. DOI: 10.1016/0039-6028(71)90181-6  0.327
1971 Messmer RP. Semi-empirical LCAO band structures Chemical Physics Letters. 11: 589-592. DOI: 10.1016/0009-2614(71)87009-4  0.356
1970 Messmer RP. "Polywater": Possibility of p-Electron Delocalization. Science (New York, N.Y.). 168: 479-80. PMID 17838127 DOI: 10.1126/Science.168.3930.479  0.357
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