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Sears DN, Jameson CJ. The Xe shielding surfaces for Xe interacting with linear molecules and spherical tops. J Chem Phys 2006; 121:2151-7. [PMID: 15260769 DOI: 10.1063/1.1758691] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The 129Xe nuclear magnetic resonance spectrum of xenon in gas mixtures of Xe with other molecules provides a test of the ab initio surfaces for the intermolecular shielding of Xe in the presence of the other molecule. We examine the electron correlation contributions to the Xe-CO2, Xe-N2, Xe-CO, Xe-CH4, and Xe-CF4 shielding surfaces and test the calculations against the experimental temperature dependence of the density coefficients of the Xe chemical shift in the gas mixtures at infinite dilution in Xe. Comparisons with the gas phase data permit the refinement of site-site potential functions for Xe-N2, Xe-CO, and Xe-CF4 especially for atom-Xe distances in the range 3.5-6 A. With the atom-atom shielding surfaces and potential parameters obtained in the present work, construction of shielding surfaces and potentials for applications such as molecular dynamics averaging of Xe chemical shifts in liquid solvents containing CH3, CH2, CF3, and CF2 groups is possible.
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Affiliation(s)
- Devin N Sears
- Department of Chemistry, M/C-111, University of Illinois at Chicago, 60607-7061, USA
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Perkins BG, Nesbitt DJ. Quantum-State-Resolved CO2 Scattering Dynamics at the Gas−Liquid Interface: Incident Collision Energy and Liquid Dependence. J Phys Chem B 2006; 110:17126-37. [PMID: 16928008 DOI: 10.1021/jp060980v] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Quantum-state-resolved dynamics at the gas-liquid interface are probed by colliding supersonically cooled molecular beams of CO(2) with freshly formed liquid surfaces in a vacuum. Translational, rotational, and vibrational state distributions of both incident and scattered fluxes are measured by high-resolution direct infrared absorption spectroscopy and laser dopplerimetry in the 00(0)0 and 01(1)0 rovibrational manifolds of CO(2) in the asymmetric stretch manifold. The present studies investigate the role of incident molecular beam energy (E(inc) = 1.6(1), 4.7(2), 7.7(2), and 10.6(8) kcal/mol) on these distributions for a series of perfluorinated, hydrocarbon, and hydrogen-bonded liquids. Boltzmann analysis of the internal quantum-state populations provide evidence for nonthermal scattering dynamics, as confirmed by Dopplerimetry on the absorption profiles. The data provide quantum-state-resolved support for a dual channel picture of the scattering process, consisting of either prompt impulsive scattering (IS) or longer duration trapping-desorption (TD) events, with the fraction observed in each channel dependent on incident kinetic energy and the physical properties of the liquid surface. The clear evidence that internal CO(2) rotational populations arising from the IS channel can be adequately described by a Boltzmann temperature (albeit with E(IS) > RT(S)) is consistent with previous gas-solid scattering studies and suggests that even nominally "prompt" IS events reflect both single (i.e. direct) and multiple impulsive interactions with the liquid interface.
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Affiliation(s)
- Bradford G Perkins
- JILA, University of Colorado and National Institute of Standards and Technology, Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0440, USA
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Aoiz FJ, Herrero VJ, Sáez Rábanos V, Verdasco JE. Classical stereodynamics in Ar + NO inelastic collisions. Phys Chem Chem Phys 2004. [DOI: 10.1039/b409607j] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Belchior J, Braga J. Calculation of three dimensional cross-sections for the Ar–N2 system from two-dimensional coupled equations plus a three-dimensional boundary condition. Chem Phys Lett 2000. [DOI: 10.1016/s0009-2614(00)01242-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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de Dios AC, Jameson CJ. The129Xe nuclear shielding surfaces for Xe interacting with linear molecules CO2, N2, and CO. J Chem Phys 1997. [DOI: 10.1063/1.474800] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Belchior J, Braga J. A critical analysis of the two-dimensional atom ellipsoid model to study rotational collisions. Chem Phys 1996. [DOI: 10.1016/s0301-0104(96)00263-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Belchior JC, Braga JP. An analysis of rotational transition probabilities and cross sections using close coupling, hard shape, and classical trajectory methods. J Chem Phys 1996. [DOI: 10.1063/1.472422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Pliego JR, Belchior JC, Braga JP. Analysis of state-to-state differential cross sections in two-dimensional Xe-CO2 scattering with long-range effects. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1996; 54:2091-2098. [PMID: 9913698 DOI: 10.1103/physreva.54.2091] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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A comparison of state-to-state rotational total cross sections using two- and three-dimensional close coupled approaches. Chem Phys Lett 1996. [DOI: 10.1016/0009-2614(96)00078-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Lai L, Chiu Y, Liu K. Rotationally inelastic scattering of NCO(X̃ 2Π)+Ar: Mass effects. J Chem Phys 1995. [DOI: 10.1063/1.470159] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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Schiffman A, Chandler DW. Experimental measurements of state resolved, rotationally inelastic energy transfer. INT REV PHYS CHEM 1995. [DOI: 10.1080/01442359509353315] [Citation(s) in RCA: 77] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Pliego JR, Braga JP, Bosanac SD. Quantum and classical two-dimensional analysis of rainbow structures in the Xe+CO2 rotational excitation at 0.2 eV collision energy and on a repulsive potential. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1995; 52:342-349. [PMID: 9912252 DOI: 10.1103/physreva.52.342] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Rawluk LJ, Keil M, Alexander MH, Mayne HR, Barrett JJ. Quantum effects in the inelastic scattering of HF and DF by argon. Chem Phys Lett 1993. [DOI: 10.1016/0009-2614(93)85280-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Velegrakis M, Beck D. Differential translation energy‐loss distributions at 1 eV energies: K–C2H2. J Chem Phys 1991. [DOI: 10.1063/1.460132] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Rawluk LJ, Fan YB, Apelblat Y, Keil M. Differential cross sections for rotationally state‐resolved inelastic scattering of HF by argon. J Chem Phys 1991. [DOI: 10.1063/1.460654] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Macdonald RG, Liu K. A crossed‐beam study of the state‐resolved dynamics of CH(X 2Π)+D2. I. The inelastic scattering channel. J Chem Phys 1990. [DOI: 10.1063/1.459024] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Kita S, Tanuma H, Kusunoki I, Sato Y, Shimakura N. Electronic excitation in moderate-energy Li+-N2 and Li+-CO collisions. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1990; 42:367-382. [PMID: 9903813 DOI: 10.1103/physreva.42.367] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Liu K, Macdonald RG, Wagner AF. Crossed-beam investigations of state-resolved collision dynamics of simple radicals. INT REV PHYS CHEM 1990. [DOI: 10.1080/01442359009353246] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Zhu L, Hershberger JF, Flynn GW. Quantum state‐resolved study of the rovibrational excitation of OCS by hot hydrogen atoms. J Chem Phys 1990. [DOI: 10.1063/1.458050] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Hershberger JF, Hewitt SA, Sarkar SK, Flynn GW, Weston RE. Quantum state‐resolved study of pure rotational excitation of CO2 by hot atoms. J Chem Phys 1989. [DOI: 10.1063/1.456753] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Formation of negatively-charged cluster ions in thermal energy collisions with state-selected rydberg atoms. ACTA ACUST UNITED AC 1989. [DOI: 10.1007/bf01399040] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Tanuma H, Kita S, Kusunoki I, Shimakura N. Rotational and vibrational excitation in the large-angle scattering of Na+ ions from N2 molecules. PHYSICAL REVIEW. A, GENERAL PHYSICS 1988; 38:5053-5065. [PMID: 9900225 DOI: 10.1103/physreva.38.5053] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Beneventi L, Casavecchia P, Vecchiocattivi F, Volpi GG, Buck U, Lauenstein C, Schinke R. Improved potential energy surface for He–CO2. J Chem Phys 1988. [DOI: 10.1063/1.455687] [Citation(s) in RCA: 60] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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O’Neill JA, Wang CX, Cai JY, Flynn GW, Weston RE. Rotationally resolved hot atom collisional excitation of CO2 0001 and 0002 stretching vibrations by time‐resolved diode laser spectroscopy. J Chem Phys 1988. [DOI: 10.1063/1.454463] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Danielson LJ, McLeod KM, Keil M. Damping of total differential cross sections: Observations and empirical anisotropic potentials for HeC2H2 and HeOCS. J Chem Phys 1987. [DOI: 10.1063/1.453740] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Jameson CJ, Jameson AK, Smith NC, Jackowski K. Cross sections for transfer of rotational angular momentum in CO2from13C spin relaxation studies in the gas phase. J Chem Phys 1987. [DOI: 10.1063/1.452074] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Gottwald E, Mattheus A, Bergmann K. Rotational rainbow scattering with large Δ j: Energy dependence of the anisotropy of the Na2–Ne, Ar interaction potential. J Chem Phys 1987. [DOI: 10.1063/1.452070] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Schinke R. The rotational reflection principle in the direct photodissociation of triatomic molecules. Close‐coupling and classical calculations. J Chem Phys 1986. [DOI: 10.1063/1.451696] [Citation(s) in RCA: 72] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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O’Neill JA, Wang CX, Cai JY, Flynn GW, Weston RE. Rotationally resolved hot atom collisional excitation of CO2(0001) by time‐resolved diode laser spectroscopy. J Chem Phys 1986. [DOI: 10.1063/1.450893] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Joswig H, Andresen P, Schinke R. Electronic fine structure transitions and rotational excitation in NO rare gas collisions. J Chem Phys 1986. [DOI: 10.1063/1.451134] [Citation(s) in RCA: 101] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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O’Neill JA, Cai JY, Flynn GW, Weston RE. Diode laser probe of CO2 vibrational excitation produced by collisions with hot deuterium atoms from the 193 nm excimer laser photolysis D2S. J Chem Phys 1986. [DOI: 10.1063/1.450115] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Schinke R, Engel V. Semiclassical analysis of rotational state distributions in the photolysis of triatomic molecules: Mapping of ground state wave function and potential anisotropy. J Chem Phys 1985. [DOI: 10.1063/1.449720] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kohlhase A, Hasegawa T, Kita S, Inouye H. Experimental indication of a new spectator effect in Na+CO2 collisions. Chem Phys Lett 1985. [DOI: 10.1016/0009-2614(85)80301-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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