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Suzuki T, Kanya R, Yamanouchi K. Photodissociation of [Ar-N 2] + induced by near-IR femtosecond laser fields by ion-trap time-of-flight mass spectrometry. J Chem Phys 2021; 154:174303. [PMID: 34241073 DOI: 10.1063/5.0049560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Photodissociation of [Ar-N2]+ induced by a near-IR (800 nm) femtosecond laser pulse is investigated using ion-trap time-of-flight mass spectrometry. The intra-complex charge transfer proceeding in the course of the decomposition of the electronically excited Ar+(2P3/2)⋯N2(X1Σg +), prepared by the photoexcitation of the electronic ground Ar(1S0)⋯N2 +(X2Σg +), is probed by the ion yields of Ar+ and N2 +. The yield ratio γ of N2 + with respect to the sum of the yields of Ar+ and N2 + is determined to be γ = 0.62, which is much larger than γ ∼ 0.2 determined before when the photodissociation is induced by a nano-second laser pulse in the shorter wavelength region between 270 and 650 nm. This enhancement of γ at 800 nm and the dependence of γ on the excitation wavelength are interpreted by numerical simulations, in which the adiabatic population transfer from Ar+(2P3/2)⋯N2(X1Σg +) to Ar(1S0)⋯N2 +(X2Σg +) at the avoided crossings is accompanied by the vibrational excitation in the N2 +(X2Σg +) moiety followed by the intra-complex vibrational energy transfer from the N2 +(X2Σg +) moiety to the intra-complex vibrational mode leading to the dissociation.
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Affiliation(s)
- Takahiro Suzuki
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Reika Kanya
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Kaoru Yamanouchi
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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da Silva FF, Bartl P, Denifl S, Echt O, Märk TD, Scheier P. Argon clusters embedded in helium nanodroplets. Phys Chem Chem Phys 2009; 11:9791-7. [PMID: 19851558 DOI: 10.1039/b913175b] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Electron impact ionization of argon clusters embedded in helium droplets is investigated. Superior mass resolution makes it possible to distinguish between nominally isobaric cluster ions. An abundance maximum for ArHe(12)(+) is unambiguously confirmed; the spectra also prove the formation of Ar(2)He(n)(+) complexes that had been claimed to fragment into pure Ar(2)(+). Distributions of larger argon cluster ions containing up to 60 atoms closely resemble distributions observed upon electron impact or photoionization of bare argon clusters; caging and evaporative cooling provided by the helium matrix do not suffice to quench fragmentation of the nascent argon cluster ions. Intriguing abundance anomalies are observed in distributions of argon cluster ions that contain water, nitrogen or oxygen impurities. The strong abundance of Ar(55)H(2)O(+), Ar(54)O(2)(+) and Ar(54)N(2)(+) contrasts with the virtual absence of slightly larger cluster ions containing the corresponding impurities. The features are probably related to enhanced cluster ion stability upon closure of the second icosahedral shell but the difference in magic numbers (54 versus 55) and the well-known reactivity of charged argon-nitrogen complexes suggest structural differences.
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Affiliation(s)
- Filipe Ferreira da Silva
- Institut für Ionenphysik und Angewandte Physik, Leopold Franzens Universität, Technikerstr. 25, A-6020 Innsbruck, Austria
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Affiliation(s)
- Li Jie Wang
- Steacie Institute for Molecular Sciences, National Research Council, Ottawa, K1A 0R6, Canada
| | - Marek Z. Zgierski
- Steacie Institute for Molecular Sciences, National Research Council, Ottawa, K1A 0R6, Canada
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Wang LJ, Zgierski MZ, Mezey PG. Stable Structures of Nitrogen-Rich Sulfides: S(N3)m (m = 1−4). J Phys Chem A 2003. [DOI: 10.1021/jp022074y] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Li Jie Wang
- Steacie Institute for Molecular Sciences, National Research Council, Ottawa, K1A 0R6 Canada, Albert Szent-Györgyi Professor, Eötvös Loránd University of Budapest, Department of Organic Chemistry, H-1117 Budapest, Pázmány Péter Sétány 1/A, Hungary, and Department of Chemistry, University of Saskatchewan, Saskatoon, SK, S7N 5C9 Canada
| | - Marek Z. Zgierski
- Steacie Institute for Molecular Sciences, National Research Council, Ottawa, K1A 0R6 Canada, Albert Szent-Györgyi Professor, Eötvös Loránd University of Budapest, Department of Organic Chemistry, H-1117 Budapest, Pázmány Péter Sétány 1/A, Hungary, and Department of Chemistry, University of Saskatchewan, Saskatoon, SK, S7N 5C9 Canada
| | - Paul G. Mezey
- Steacie Institute for Molecular Sciences, National Research Council, Ottawa, K1A 0R6 Canada, Albert Szent-Györgyi Professor, Eötvös Loránd University of Budapest, Department of Organic Chemistry, H-1117 Budapest, Pázmány Péter Sétány 1/A, Hungary, and Department of Chemistry, University of Saskatchewan, Saskatoon, SK, S7N 5C9 Canada
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Affiliation(s)
- Szczepan Roszak
- The Computational Center for Molecular Structure and Interactions, Department of Chemistry, Jackson State University, P.O. Box 17910 J. R. Lynch Street, 39217 Jackson, Mississippi, and Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Jerzy Leszczynski
- The Computational Center for Molecular Structure and Interactions, Department of Chemistry, Jackson State University, P.O. Box 17910 J. R. Lynch Street, 39217 Jackson, Mississippi, and Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
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Kaczorowska M, Roszak S, Leszczynski J. Are the Properties of Shells Ligand Dependent? An ab Initio Study of Mixed H3+Arn(H2)m (n + m = 6) Cations. J Phys Chem A 2001. [DOI: 10.1021/jp011475v] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Malgorzata Kaczorowska
- The Computational Center for Molecular Structure and Interactions, Department of Chemistry, Jackson State University, P.O. Box 17910, 1400 J. R. Lynch Street, Jackson, Mississippi 39217, and Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Szczepan Roszak
- The Computational Center for Molecular Structure and Interactions, Department of Chemistry, Jackson State University, P.O. Box 17910, 1400 J. R. Lynch Street, Jackson, Mississippi 39217, and Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Jerzy Leszczynski
- The Computational Center for Molecular Structure and Interactions, Department of Chemistry, Jackson State University, P.O. Box 17910, 1400 J. R. Lynch Street, Jackson, Mississippi 39217, and Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
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