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Dashevskaya E, Litvin I, Nikitin EE. Generalised Landau–Teller fitting of the vibrational relaxation rates in atom–diatom collisions: O 2–Ar system as a case study. Mol Phys 2021. [DOI: 10.1080/00268976.2021.1938266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- E. Dashevskaya
- Max–Planck–Institut für Biophysikalische Chemie, Göttingen, Germany
| | - I. Litvin
- Max–Planck–Institut für Biophysikalische Chemie, Göttingen, Germany
| | - E. E. Nikitin
- Max–Planck–Institut für Biophysikalische Chemie, Göttingen, Germany
- Schulich Faculty of Chemistry, Technion – Israel Institute of Technology, Haifa, Israel
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2
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Bop CT, Quintas-Sánchez E, Sur S, Robin M, Lique F, Dawes R. Inelastic scattering in isotopologues of O 2-Ar: the effects of mass, symmetry, and density of states. Phys Chem Chem Phys 2021; 23:5945-5955. [PMID: 33666616 DOI: 10.1039/d1cp00326g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The two species considered here, O2 (oxygen molecule) and Ar (argon-atom), are both abundant components of Earth's atmosphere and hence familiar collision partners in this medium. O2 is quite reactive and extensively involved in atmospheric chemistry, including Chapman's cycle of the formation and destruction of ozone; while Ar, like N2, typically plays the nevertheless crucial role of inert collider. Inert species can provide stabilization to metastable encounter-complexes through the energy transfer associated with inelastic collisions. The interplay of collision frequency and energy transfer efficiency, with state lifetimes and species concentrations, contributes to the rich and varied chemistry and dynamics found in diverse environments ranging from planetary atmospheres to the interstellar and circumstellar media. The nature and density of bound and resonance states, coupled electronic states, symmetry, and nuclear spin-statistics can all play a role. Here, we systematically investigate some of those factors by looking at the O2-Ar system, comparing rigorous quantum-scattering calculations for the 16O16O-40Ar, 18O16O-40Ar, and 18O18O-40Ar isotope combinations. A new accurate potential energy surface was constructed for this purpose holding the O2 bond distance at its vibrationally averaged distance.
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Affiliation(s)
- Cheikh T Bop
- Laboratoire Ondes et Milieux Complexes, UMR 6294, Centre National de la Recherche Scientifique-Universite du Havre, F-76063 Le Havre, France. and Universite du Rennes, CNRS, IPR (Institut de Physique de Rennes) - UMR 6251, F-35000 Rennes, France
| | | | - Sangeeta Sur
- Missouri University of Science and Technology, Rolla, MO 65409-0010, USA.
| | - Mathurin Robin
- Laboratoire Ondes et Milieux Complexes, UMR 6294, Centre National de la Recherche Scientifique-Universite du Havre, F-76063 Le Havre, France.
| | - François Lique
- Laboratoire Ondes et Milieux Complexes, UMR 6294, Centre National de la Recherche Scientifique-Universite du Havre, F-76063 Le Havre, France. and Universite du Rennes, CNRS, IPR (Institut de Physique de Rennes) - UMR 6251, F-35000 Rennes, France
| | - Richard Dawes
- Missouri University of Science and Technology, Rolla, MO 65409-0010, USA.
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Wang XG, Carrington T. Using quadrature and an iterative eigensolver to compute fine-structure ro-vibrational levels of Van der Waals complexes: NH(Σ−3)–He, O 2(Σg−3)–Ar, and O 2(Σg−3)–He. J Chem Phys 2019. [DOI: 10.1063/1.5110873] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
- Xiao-Gang Wang
- Chemistry Department, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Tucker Carrington
- Chemistry Department, Queen’s University, Kingston, Ontario K7L 3N6, Canada
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Austin A, Petersson GA, Frisch MJ, Dobek FJ, Scalmani G, Throssell K. A Density Functional with Spherical Atom Dispersion Terms. J Chem Theory Comput 2012; 8:4989-5007. [PMID: 26593191 DOI: 10.1021/ct300778e] [Citation(s) in RCA: 361] [Impact Index Per Article: 30.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new hybrid density functional, APF, is introduced, which avoids the spurious long-range attractive or repulsive interactions that are found in most density functional theory (DFT) models. It therefore provides a sound baseline for the addition of an empirical dispersion correction term, which is developed from a spherical atom model (SAM). The APF-D empirical dispersion model contains nine adjustable parameters that were selected based on a very small training set (15 noble gas dimers and 4 small hydrocarbon dimers), along with two computed atomic properties (ionization potential and effective atomic polarizability) for each element. APF-D accurately describes a large portion of the potential energy surfaces of complexes of noble gas atoms with various diatomic molecules involving a wide range of elements and of dimers of small hydrocarbons, and it reproduces the relative conformational energies of organic molecules. The accuracy for these weak interactions is comparable to that of CCSD(T)/aug-cc-pVTZ calculations. The accuracy in predicting the geometry of hydrogen bond complexes is competitive with other models involving DFT and empirical dispersion.
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Affiliation(s)
- Amy Austin
- Hall-Atwater Laboratories of Chemistry, Wesleyan University , Middletown, Connecticut 06459, United States
| | - George A Petersson
- Hall-Atwater Laboratories of Chemistry, Wesleyan University , Middletown, Connecticut 06459, United States
| | - Michael J Frisch
- Hall-Atwater Laboratories of Chemistry, Wesleyan University , Middletown, Connecticut 06459, United States.,Gaussian, Inc. , 340 Quinnipiac Street Building 40, Wallingford, Connecticut 06492, United States
| | - Frank J Dobek
- Hall-Atwater Laboratories of Chemistry, Wesleyan University , Middletown, Connecticut 06459, United States
| | - Giovanni Scalmani
- Gaussian, Inc. , 340 Quinnipiac Street Building 40, Wallingford, Connecticut 06492, United States
| | - Kyle Throssell
- Hall-Atwater Laboratories of Chemistry, Wesleyan University , Middletown, Connecticut 06459, United States
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Interaction potential for the quintet state of the O2–O2 dimer from symmetry-adapted perturbation theory based on DFT description of monomers. Chem Phys Lett 2008. [DOI: 10.1016/j.cplett.2007.11.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Abstract
The recombination of ozone via the chaperon mechanism, i.e., ArO+O2 --> Ar+O3 and ArO2+O --> Ar+O3, is studied by means of classical trajectories and a pairwise additive Ar-O3 potential energy surface. The recombination rate coefficient has a strong temperature dependence, which approximately can be described by T(-n) with n approximately 3. It is negligible for temperatures above 700 K or so, but it becomes important for low temperatures. The calculations unambiguously affirm the conclusions of Hippler et al. [J. Chem. Phys. 93, 6560 (1990)] and Luther et al. [Phys. Chem. Chem. Phys. 7, 2764 (2005)] that the chaperon mechanism makes a sizable contribution to the recombination of O3 at room temperature and below. The dependence of the chaperon recombination rate coefficient on the isotopomer, studied for two different isotope combinations, is only in rough qualitative agreement with the experimental data. The oxygen atom isotope exchange reaction involving ArO and ArO2 van der Waals complexes is also investigated; the weak binding of O or O2 to Ar has only a small effect.
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Affiliation(s)
- Mikhail V Ivanov
- Max-Planck-Institut für Dynamik und Selbstorganisation, D-37073 Göttingen, Germany.
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Naumkin FY, Mccourt FRW. Ab initio-based PES extrapolated using transferable atom–atom potentials, and predicted MW spectrum of the Ar–O2(X3Σg−) complex. Mol Phys 2004. [DOI: 10.1080/00268970310001637944] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Kłos J, Chałasiński G, Szczȩśniak MM. Modeling of adiabatic and diabatic potential energy surfaces of Cl(2P)⋯H2(1∑g+) prereactive complex from ab initio calculations. J Chem Phys 2002. [DOI: 10.1063/1.1498815] [Citation(s) in RCA: 16] [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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Kłos J, Chałasiński G, Szczȩśniak MM. Ab Initio Calculations and Modeling of Three-Dimensional Adiabatic and Diabatic Potential Energy Surfaces of Br(2P)···H2(1Σ+) Pre-Reactive Complex. J Phys Chem A 2002. [DOI: 10.1021/jp020529d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jacek Kłos
- Faculty of Chemistry, University of Warsaw, Pasteura 1 02-093 Warsaw, Poland
| | | | - M. M. Szczȩśniak
- Department of Chemistry, Oakland University, Rochester, Michigan 48309
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Kłos J. Ab initio calculations and modeling of diabatic potential energy surfaces for the Van der Waals complex Cl(2P)⋯CH4(X1A1). Chem Phys Lett 2002. [DOI: 10.1016/s0009-2614(02)00718-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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11
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Vibrational Structure and Predissociation of Ar-CO 2by CO 2Symmetric Stretching Mode Coupled with Ar Motion. B KOREAN CHEM SOC 2002. [DOI: 10.5012/bkcs.2002.23.2.245] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Kłos JA, Chałasiński G, Szczęśniak MM, Werner HJ. Ab initiocalculations of adiabatic and diabatic potential energy surfaces of Cl(2P)⋯HCl(1Σ+) van der Waals complex. J Chem Phys 2001. [DOI: 10.1063/1.1386417] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Dudley TJ, Pandey RR, Staffin PE, Hoffmann MR, Schatz GC. Finite element method for two-dimensional vibrational wave functions: Theory and application to van der Waals molecules. J Chem Phys 2001. [DOI: 10.1063/1.1355310] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Chalasinski G, Szcz&ecedil;śniak MM. State of the Art and Challenges of the ab Initio Theory of Intermolecular Interactions. Chem Rev 2000; 100:4227-4252. [PMID: 11749345 DOI: 10.1021/cr990048z] [Citation(s) in RCA: 404] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Buchachenko AA, Jakowski J, Chałasiński G, Szczȩśniak MM, Cybulski SM. Ab initio based study of the ArO− photoelectron spectra: Selectivity of spin–orbit transitions. J Chem Phys 2000. [DOI: 10.1063/1.481186] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Klos J, Chalasinski G, Berry MT, Kendall RA, Burcl R, Szczesniak MM, Cybulski SM. Ab initio potential energy surface for the Ar(1S)+OH(X2Π) interaction and bound rovibrational states. J Chem Phys 2000. [DOI: 10.1063/1.481049] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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17
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Kl/os J, Chal/asiński G, Berry MT, Bukowski R, Cybulski SM. Ab initio potential-energy surface for the He(1S)+NO(X 2Π) interaction and bound rovibrational states. J Chem Phys 2000. [DOI: 10.1063/1.480785] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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18
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Burcl R, Krems RV, Buchachenko AA, Szczȩśniak MM, Chal/asiński G, Cybulski SM. RG+Cl(2P) (RG=He, Ne, Ar) interactions: Ab initio potentials and collision properties. J Chem Phys 1998. [DOI: 10.1063/1.476727] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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Kendall RA, Chałasiński G, Kłos J, Bukowski R, Severson MW, Szczȩśniak MM, Cybulski SM. Ab initio study of the van der Waals interaction of NH(X 3Σ−) with Ar(1S). J Chem Phys 1998. [DOI: 10.1063/1.475737] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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