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DHAM ASHOKK. Multi-property predictions from recent He-CO potential energy surfaces and related comments on the nature of heteronuclear-rare gas interactions. Mol Phys 2010. [DOI: 10.1080/00268979650026389] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Hellmann R, Bich E, Vogel E, Dickinson AS, Vesovic V. Calculation of the transport and relaxation properties of methane. I. Shear viscosity, viscomagnetic effects, and self-diffusion. J Chem Phys 2008; 129:064302. [DOI: 10.1063/1.2958279] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
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Dham AK, Meath WJ, Jechow JW, McCourt FRW. New exchange-Coulomb N2-Ar potential-energy surface and its comparison with other recent N2-Ar potential-energy surfaces. J Chem Phys 2007; 124:034308. [PMID: 16438584 DOI: 10.1063/1.2159001] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The reliability of five N2-Ar potential-energy surfaces in representing the N2-Ar interaction has been investigated by comparing their abilities to reproduce a variety of experimental results, including interaction second viral coefficients, bulk transport properties, relaxation phenomena, differential scattering cross sections, and the microwave and infrared spectra of the van der Waals complexes. Four of the surfaces are the result of high-level ab initio quantal calculations; one of them utilized fine tuning by fitting to microwave data. To date, these four potential-energy surfaces have only been tested against experimental microwave data. The fifth potential-energy surface, based upon the exchange-Coulomb potential-energy model for the interaction of closed-shell species, is developed herein: it is a combination of a damped dispersion energy series and ab initio calculations of the Heitler-London interaction energy, and has adjustable parameters determined by requiring essentially simultaneous agreement with selected quality interaction second viral coefficient and microwave data. Comparisons are also made with the predictions of three other very good literature potential-energy surfaces, including the precursor of the new exchange-Coulomb potential-energy surface developed here. Based upon an analysis of a large body of information, the new exchange-Coulomb and microwave-tuned ab initio potential-energy surfaces provide the best representations of the N2-Ar interaction; nevertheless, the other potential-energy surfaces examined still have considerable merit with respect to the prediction of specific properties of the N2-Ar van der Waals complex. Of the two recommended surfaces, the new exchange-Coulomb surface is preferred on balance due to its superior predictions of the effective cross sections related to various relaxation phenomena, and to its reliable, and relatively simple, representation of the long-range part of the potential-energy surface. Moreover, the flexibility still inherent in the exchange-Coulomb potential form can be further exploited, if required, in future studies of the N2-Ar interaction.
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Affiliation(s)
- Ashok K Dham
- Department of Physics, Punjabi University, Patiala 147002, India
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Maghari A, Jalili AH. Transport Properties of Non-Spherical Gases. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2007. [DOI: 10.1246/bcsj.80.699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Dickinson A, Liu WK. Classical centrifugal-sudden calculations of transport and relaxation cross-sections for Ar−N2. Mol Phys 2006. [DOI: 10.1080/00268979400100454] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- A.S. Dickinson
- a Department of Physics , The University of Newcastle , Newcastle upon Tyne , NE1 7RU , England
| | - W.-K. Liu
- b Guelph-Waterloo Program for Graduate Work in Physics (GWP)2, Department of Physics , University of Waterloo , Ontario , Canada , N2L 3G1
- c Guelph-Waterloo Program for Graduate Work in Physics (GWP)2, Department of Chemistry , University of Waterloo , Ontario , Canada , N2L 3G1
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Gianturco F, Sanna N, Serna S. Dynamical decoupling in the calculations of transport coefficients. Mol Phys 2006. [DOI: 10.1080/00268979300100661] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- F.A. Gianturco
- a Department of Chemistry , The University of Rome, Città Universitaria , 00185 , Rome , Italy
| | - N. Sanna
- a Department of Chemistry , The University of Rome, Città Universitaria , 00185 , Rome , Italy
| | - S. Serna
- a Department of Chemistry , The University of Rome, Città Universitaria , 00185 , Rome , Italy
- b Instituto de Mátematicas Fisica Fundamental, CSIC , Serrano 123, 28006 , Madrid , Spain
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Wong CC, McCourt FR, Corey GC. Classical trajectory calculation of transport and relaxation properties of O2-He, Ne mixtures. Mol Phys 2006. [DOI: 10.1080/00268979300100361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Clement C.K. Wong
- a Guelph-Waterloo Centre for Graduate Work in Chemistry, and Department of Chemistry , University of Waterloo , Waterloo , ONT N2L 3G1 , Canada
| | - Frederick R.W. McCourt
- a Guelph-Waterloo Centre for Graduate Work in Chemistry, and Department of Chemistry , University of Waterloo , Waterloo , ONT N2L 3G1 , Canada
| | - Gregory C. Corey
- b Département de Chimie , Université de Montréal , Montréal , PQ , H3C 3J7 , Canada
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Dickinson AS. A new approximation for atom-diatom rotational-relaxation cross sections. J Chem Phys 2006; 125:64303. [PMID: 16942282 DOI: 10.1063/1.2243296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
A semiclassical approximation to the S matrix of the infinite-order-sudden approximation is introduced. This is employed to yield for the energy-transfer effective cross section a purely classical approximation, analogous to the Mason-Monchick approximation [J. Chem. Phys. 36, 1622 (1962)] for traditional collision integrals. Constraints on energy and on angular momentum transfer are included. Numerical evaluation of this new approximation can readily be performed alongside that for traditional collision integrals. The new result is tested against full classical trajectory calculations for six potential energy surfaces for the collision systems H-N(2), He-N(2), He-CO, and Ar-CO(2). Differences of no more than 15% from the classical trajectory calculations have been obtained.
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Affiliation(s)
- Alan S Dickinson
- School of Natural Sciences (Physics), Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom.
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McCOURT FREDERICKRW. Thermal diffusion in binary mixtures containing molecular gases II: mixtures of N2with He, Ne, Ar, and Kr and of CO2with He and Ar. Mol Phys 2003. [DOI: 10.1080/0026897031000116574] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Testing the Mason–Monchick approximation for the calculation of the viscosity of carbon dioxide. Chem Phys Lett 2003. [DOI: 10.1016/s0009-2614(03)01093-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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DHAM ASHOKK, MEATH WILLIAMJ. Exchange-Coulomb potential energy surfaces and related physical properties for Ne-N2. Mol Phys 2001. [DOI: 10.1080/00268970010034559] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Gianturco F, Paesani F, Laranjeira M, Vassilenko V, Cunha M, Shashkov A, Zolotoukhina A. The thermal diffusion factor of Ar-CO2 mixtures: New measurements and comparison with quantum calculations. Mol Phys 1999. [DOI: 10.1080/00268979909482889] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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GIANTURCO FA, PAESANI F, LARANJEIRA MF, VASSILENKO V, CUNHA MA, SHASHKOV AG, ZOLOTOUKHINA AF. Computed and measured transport coefficients for CO-He mixtures: testing a density functional approach. Mol Phys 1998. [DOI: 10.1080/002689798167773] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Lucchese RR, Gianturco FA. Short-range effects in resonant electron–molecule scattering from van der Waals clusters. J Chem Phys 1997. [DOI: 10.1063/1.475000] [Citation(s) in RCA: 4] [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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Roche CF, Dickinson AS, Ernesti A, Hutson JM. Line shape, transport and relaxation properties from intermolecular potential energy surfaces: The test case of CO2–Ar. J Chem Phys 1997. [DOI: 10.1063/1.474534] [Citation(s) in RCA: 26] [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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Yan G, Xie J, Xie D. Theoretical studies of rovibrational spectrum and potential energy function for Ar-N2 complex. CHINESE SCIENCE BULLETIN-CHINESE 1997. [DOI: 10.1007/bf02882519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Dham AK, McCourt FRW, Meath WJ. Exchange–Coulomb model potential energy surface for the N2–Ar interaction. J Chem Phys 1995. [DOI: 10.1063/1.470158] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Dham AK, Meath WJ. Exchange-Coulomb potential energy surfaces, and related physical properties, for KrN2. Chem Phys 1995. [DOI: 10.1016/0301-0104(95)00082-y] [Citation(s) in RCA: 16] [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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Clark G, McCourt F. Accurate calculation of diffusion and shear viscosity coefficients for H2H mixtures. Chem Phys Lett 1995. [DOI: 10.1016/0009-2614(95)00230-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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ter Horst MA, Jameson CJ. Classical trajectories on simple model potentials for N2–Kr: Comparison with relaxation and other data. J Chem Phys 1995. [DOI: 10.1063/1.469492] [Citation(s) in RCA: 15] [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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Vesovic V, Wakeham WA, Dickinson AS, McCourt FR, Thachuk M. Quantum mechanical calculation of generalized collision cross-sections for the He-N2interaction. Part II. Thermomagnetic effect. Mol Phys 1995. [DOI: 10.1080/00268979500100361] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Gianturco F, Storozhev T. An improved ArN2 interaction from a global optimization to additional scattering data. Chem Phys Lett 1995. [DOI: 10.1016/0009-2614(94)01401-g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Gianturco F, Sanna N, Serna-Molinera S. An improved He-CO interaction potential from a multiproperty analysis. Mol Phys 1994. [DOI: 10.1080/00268979400100281] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Jäger W, Gerry MCL, Bissonnette C, McCourt FRW. Pure rotational spectrum of, and potential-energy surface for, the Ar–N2Van der Waals complex. Faraday Discuss 1994. [DOI: 10.1039/fd9949700105] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Beneventi L, Casavecchia P, Volpi GG, Wong CCK, McCourt FRW. Multiproperty determination of a new N2–Ar intermolecular interaction potential energy surface. J Chem Phys 1993. [DOI: 10.1063/1.464547] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Gianturco FA, Sanna N, Serna S. Quantum and classical calculations of transport and relaxation cross sections in He–CO mixtures. J Chem Phys 1993. [DOI: 10.1063/1.464012] [Citation(s) in RCA: 29] [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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Gianturco F, Serna S, Sanna N. Dynamical decoupling in the quantum calculations of transport coefficients. Mol Phys 1991. [DOI: 10.1080/00268979100102811] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Gianturco F, Palma A, Sanna N. The HeN2 interaction revisited: A comparison of measured and computed differential cross sections. Chem Phys 1991. [DOI: 10.1016/0301-0104(91)87056-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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McCourt FR, Vesovic V, Wakeham WA, Dickinson AS, Mustafa M. Quantum mechanical calculations of effective collision cross-sections for He-N2interaction. Mol Phys 1991. [DOI: 10.1080/00268979100100951] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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