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Mabrouk N, Dhiflaoui J, Saidi S, Bejaoui M, Alharzali N, Berriche H. Potential Energy Surface and Bound States of Ne-Li 2+( X2Σ g+) van der Waals Complex Based on Ab Initio Calculations. J Phys Chem A 2023; 127:9167-9177. [PMID: 37890154 PMCID: PMC10641847 DOI: 10.1021/acs.jpca.3c03811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 10/07/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023]
Abstract
Theoretical studies of the potential energy surface and vibrational bound states calculations were performed for the ground state of the Ne-Li2+(X2Σg+) van der Waals (vdW) complex. The intermolecular interactions were investigated by using an accurate monoconfigurational RCCSD(T) method and large basis sets (aug-cc-pVnZ, n = T, Q, 5), extrapolated to the complete basis set (CBS) limit. In turn, the obtained raw data from RCCSD(T)/CBS(Q5) calculations were numerically interpolated using the Morse + vdW model and the Reproducing Kernel Hilbert Space (RKHS) polynomial method to generate analytic expressions for the 2D-PES. The RKHS interpolated PES was then used to assess the bound states of the Ne-Li2+(X2Σg+) system through nuclear quantum calculations. By studying the aspect of the potential energy surface, the analysis sheds light on the behavior of the Ne-Li2+(X2Σg+) complex and its interactions between repulsive and attractive forces with other particles. By examining the vibrational states and wave functions of the system, the researchers were able to gain a better understanding of the behavior of the Ne-Li2+(X2Σg+) complex. The calculated radial and angular distributions for all even and odd symmetries are discussed in detail. We observe that the radial distributions exhibit a more complicated nodal structure, representing stretching vibrational behavior in the neon atom along its radial coordinate. For the highest bound states, the situation is very different, and the energies surpass the angular barrier.
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Affiliation(s)
- Nesrine Mabrouk
- Laboratory
of Interfaces and Advanced Materials, Physics Department, Faculty
of Sciences of Monastir, University of Monastir, Monastir 5019, Tunisia
| | - Jamila Dhiflaoui
- Laboratory
of Interfaces and Advanced Materials, Physics Department, Faculty
of Sciences of Monastir, University of Monastir, Monastir 5019, Tunisia
| | - Samah Saidi
- Laboratory
of Interfaces and Advanced Materials, Physics Department, Faculty
of Sciences of Monastir, University of Monastir, Monastir 5019, Tunisia
- Department
of Physics, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 16273, Saudi Arabia
| | - Mohamed Bejaoui
- Laboratory
of Interfaces and Advanced Materials, Physics Department, Faculty
of Sciences of Monastir, University of Monastir, Monastir 5019, Tunisia
| | - Nissrin Alharzali
- Laboratory
of Interfaces and Advanced Materials, Physics Department, Faculty
of Sciences of Monastir, University of Monastir, Monastir 5019, Tunisia
- Department
of Physical and Theoretical Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava 814 99, Slovakia
| | - Hamid Berriche
- Laboratory
of Interfaces and Advanced Materials, Physics Department, Faculty
of Sciences of Monastir, University of Monastir, Monastir 5019, Tunisia
- Mathematics
and Physics Department, School of Arts and Sciences, American University of Ras Al Khaimah, Ras Al-Khaimah 10021, United Arab Emirates
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Saidi S, Mabrouk N, Dhiflaoui J, Berriche H. Structural, Spectroscopic, and Dynamic Properties of Li2+(X2∑g+) in Interaction with Krypton Atom. Molecules 2023; 28:5512. [PMID: 37513385 PMCID: PMC10385072 DOI: 10.3390/molecules28145512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/10/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
We report a computational study of the potential energy surface (PES) and vibrational bound states for the ground electronic state of Li2+Kr. The PES was calculated in Jacobi coordinates at the Restricted Coupled Cluster method RCCSD(T) level of calculation and using aug-cc-pVnZ (n = 4 and 5) basis sets. Afterward, this PES is extrapolated to the complete basis set (CBS) limit for correction. The obtained interaction energies were, then, interpolated numerically using the reproducing kernel Hilbert space polynomial (RKHS) approach to produce analytic expressions for the 2D-PES. The analytical PES is used to solve the nuclear Schrodinger equation to determine the bound states' eigenvalues of Li2+Kr for a J = 0 total angular momentum configuration and to understand the effects of orientational anisotropy of the forces and the interplay between the repulsive and attractive interaction within the potential surface. In addition, the radial and angular distributions of some selected bound state levels, which lie below, around, and above the T-shaped 90° barrier well, are calculated and discussed. We note that the radial distributions clearly acquire a more complicated nodal structure and correspond to bending and stretching vibrational motions "mode" of the Kr atom along the radial coordinate, and the situation becomes very different at the highest bound states levels with energies higher than the T-shaped 90° barrier well. The shape of the distributions becomes even more complicated, with extended angular distributions and prominent differences between even and odd states.
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Affiliation(s)
- Samah Saidi
- Laboratory of Interfaces and Advanced Materials, Physics Department, Faculty of Sciences of Monastir, Avenue de l'Environnement, Monastir 5019, Tunisia
- Department of Physics, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Nesrine Mabrouk
- Laboratory of Interfaces and Advanced Materials, Physics Department, Faculty of Sciences of Monastir, Avenue de l'Environnement, Monastir 5019, Tunisia
| | - Jamila Dhiflaoui
- Laboratory of Interfaces and Advanced Materials, Physics Department, Faculty of Sciences of Monastir, Avenue de l'Environnement, Monastir 5019, Tunisia
| | - Hamid Berriche
- Laboratory of Interfaces and Advanced Materials, Physics Department, Faculty of Sciences of Monastir, Avenue de l'Environnement, Monastir 5019, Tunisia
- Mathematics and Natural Sciences Department, School of Arts and Sciences, American University of Ras Al Khaimah, Ras Al-Khaimah 10021, United Arab Emirates
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Ghanmi C, Nakbi H, Al-Qarni HJ, Alharzali N, Berriche H. Structure, energetics, and spectroscopy of the K 2+(X 2Σ +g) interacting with the noble gas atoms Ar, Kr and Xe. J Mol Graph Model 2023; 120:108413. [PMID: 36758327 DOI: 10.1016/j.jmgm.2023.108413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 12/31/2022] [Accepted: 01/12/2023] [Indexed: 02/05/2023]
Abstract
The structure, energetic, and spectroscopy properties of the ionic system K2+(X2Σ+g) interacting with the noble gas atoms Argon, Krypton and Xenon are studied. The computations are done by an accurate ab initio approach based on the pseudo-potential technique, Gaussian basis sets, parameterized l-dependent polarization potentials and an analytic potential form for the K+Ar, K+Kr and K+Xe interactions. These interactions are added via the CCSD(T) potential taken from literature and fitted applying the analytical expression of Tang and Toennies. The application of the pseudo-potential approach reduces the number of active electrons of each complex to only one electron. The potential energy surfaces are analyzed on a large range of the Jacobi coordinates, R and θ. By the general interpolation outline based on the RKHS (Reproducing Kernel Hilbert Space) procedure, we have reproduced for each complex from our ab initio results the two-dimensional contour plots of an analytical potential. To evaluate the stability of each complex, we have determined from the potential energy surfaces the equilibrium distance (Re), the well depth (De), the quantum energy (D0), the zero-point-energy (ZPE) and the ZPE%. The results showed that the linear configurations, where the noble gas atom connected to the K2+(X2Σ+g) system, are the more stable.
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Affiliation(s)
- Chedli Ghanmi
- Laboratory of Interfaces and Advanced Materials, Faculty of Science, University of Monastir, 5019, Monastir, Tunisia.
| | - Haifa Nakbi
- Laboratory of Interfaces and Advanced Materials, Faculty of Science, University of Monastir, 5019, Monastir, Tunisia
| | - Hind Jahman Al-Qarni
- Physics Department, College of Science and Arts, Balqarn, Bisha University, Saudi Arabia
| | - Nisrin Alharzali
- Laboratory of Interfaces and Advanced Materials, Faculty of Science, University of Monastir, 5019, Monastir, Tunisia
| | - Hamid Berriche
- Laboratory of Interfaces and Advanced Materials, Faculty of Science, University of Monastir, 5019, Monastir, Tunisia; Mathematics and Natural Sciences Department, School of Arts and Sciences, American University of Ras Al Khaimah, Ras Al Khaimah, United Arab Emirates.
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Ghosh A, Cederbaum LS, Gokhberg K. Electron transfer mediated decay in HeLi 2 cluster: Potential energy surfaces and decay widths. J Chem Phys 2019; 150:164309. [PMID: 31042888 DOI: 10.1063/1.5082952] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Electron transfer mediated decay (ETMD) is a process responsible for double ionization of dopants in He droplets. It is initiated by producing He+ in the droplet, which is neutralized by ETMD, and has been shown to strongly enhance the dopant's double ionization cross section. The efficiency of ETMD, the spectra of emitted secondary electrons, and the character of the ionic products depend on the nuclear dynamics during the decay. To date, there has been no theoretical investigation of multimode dynamics which accompanies ETMD, which could help to understand such dynamics in a He droplet. In this article, we consider the He-Li2 cluster where an ab initio examination of multimode dynamics during the electronic decay is feasible. Moreover, this cluster can serve as a minimal model for Li2 adsorbed on the droplet's surface-a system where ETMD can be observed experimentally. In He droplets, Li2 can be formed in both the ground X1Σg + and the first excited a3Σu + states. In this article, we present ab initio potential energy surfaces of the electronic states of the He-Li2 cluster involved in ETMD, as well as the respective decay widths. We show that the structure of these surfaces and expected nuclear dynamics strongly depend on the electronic state of Li2. Thus, the overall decay rate and the appearance of the observable electron spectra will be dictated by the electronic structure of the dopant.
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Affiliation(s)
- Aryya Ghosh
- Theoretische Chemie, Physikalisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 229, D-69120 Heidelberg, Germany
| | - Lorenz S Cederbaum
- Theoretische Chemie, Physikalisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 229, D-69120 Heidelberg, Germany
| | - Kirill Gokhberg
- Theoretische Chemie, Physikalisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 229, D-69120 Heidelberg, Germany
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AKPINAR SINAN, TURMUS TUNAY, SURUCU SEDA. QUANTUM DYNAMICS OF THE He + Li2 INELASTIC SCATTERING. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2012. [DOI: 10.1142/s0219633611006451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In this paper, we report the results of three dimensional time dependent quantum wave packet calculations carried out for He+Li2 inelastic reaction in the collision energy range 0.43–1.18 eV. A three dimensional potential energy surface (PES) computed by Varandas was used for the dynamical calculations.1 The state to state and state to all transition probabilities for total angular momentum J = 0 have been calculated in a broad range of collision energies. Integral cross-sections and rate constants have been calculated from the wave packet transition probabilities by means of J-shifting approximation based on a capture model and a uniform J-shifting method for J > 0.
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Affiliation(s)
- SINAN AKPINAR
- Department of Physics, Faculty of Science, Firat University, 23169 Elazig, Turkey
| | - TUNAY TURMUS
- Department of Physics, Faculty of Science, Firat University, 23169 Elazig, Turkey
| | - SEDA SURUCU
- Department of Physics, Faculty of Science, Firat University, 23169 Elazig, Turkey
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Varandas AJC. Intermolecular and Intramolecular Potentials: Topographical Aspects, Calculation, and Functional Representation via A Double Many-Body Expansion Method. ADVANCES IN CHEMICAL PHYSICS 2007. [DOI: 10.1002/9780470141236.ch2] [Citation(s) in RCA: 121] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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White JD, Chen J, Matsiev D, Auerbach DJ, Wodtke AM. Vibrationally promoted electron emission from low work-function metal surfaces. J Chem Phys 2006; 124:64702. [PMID: 16483224 DOI: 10.1063/1.2166360] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
We observe electron emission when vibrationally excited NO molecules with vibrational state v, in the range of 9 < or = v < or =18, are scattered from a Cs-dosed Au surface. The quantum efficiency increases strongly with v, increasing up to 10(-2) electrons per NO (v) collision, a value several orders of magnitude larger than that observed in experiments with similar molecules in the ground vibrational state. The electron emission signal, as a function of v, has a threshold where the vibrational excitation energy slightly exceeds the surface work function. This threshold behavior strongly suggests that we are observing the direct conversion of NO vibrational energy into electron kinetic energy. Several potential mechanisms for the observed electron emission are explored, including (1) vibrational autodetachment, (2) an Auger-type two-electron process, and (3) vibrationally promoted dissociation. The results of this work provide direct evidence for nonadiabatic energy-transfer events associated with large amplitude vibrational motion at metal surfaces.
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Affiliation(s)
- Jason D White
- Department of Chemistry and Biochemistry, University of California at Santa Barbara, 93106-9510, USA
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Bodo E, Sebastianelli F, Gianturco FA, Yurtsever E, Yurtsever M. Ab initio quantum dynamics with very weak van der Waals interactions: Structure and stability of small Li2(1Sigmag+)-(He)n clusters. J Chem Phys 2004; 120:9160-6. [PMID: 15267852 DOI: 10.1063/1.1701834] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The potential energy surface (PES) for the interaction between Li2(1Sigmag+) and 4He has been computed using an accurate, post-Hartree-Fock quantum calculation for its ground electronic state. The orientational anisotropy of the forces and the interplay between repulsive and attractive effects within the PES are analyzed to extract information on the possible existence of bound states in the triatomic system. The structures of a few of the Li2(He)n small clusters are examined by comparing a classical approach with a full quantum one to generate bound configurations and to extract information on the possible spatial arrangements of the smaller clusters via à vis the location of the Li2 dopant. Some significant consequences on the Li2 behavior in larger clusters and droplets are drawn from the above findings.
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Affiliation(s)
- E Bodo
- Department of Chemistry and INFM, University of Rome La Sapienza, Italy
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Shore BW, Martin J, Fewell MP, Bergmann K. Coherent population transfer in multilevel systems with magnetic sublevels. I. Numerical studies. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1995; 52:566-582. [PMID: 9912281 DOI: 10.1103/physreva.52.566] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Aquilanti V, Candori R, Pirani F, Ottinger C. On the dynamics of the vibrationally selective electronic energy transfer from metastable xenon atoms to nitrogen molecules. Chem Phys 1994. [DOI: 10.1016/0301-0104(94)00168-5] [Citation(s) in RCA: 19] [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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11
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Rubahn H, Slenczka A, Toennies JP. Observation of an anomalous increase in total cross sections with high vibrational excitation in the Li2 (v=0–21)+Na reactive system. J Chem Phys 1994. [DOI: 10.1063/1.467818] [Citation(s) in RCA: 5] [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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12
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Tosi P, Dmitrijev O, Soldo Y, Bassi D, Cappelletti D, Pirani F, Aquilanti V. The reaction of argon ions with hydrogen and deuterium molecules by crossed beams: Low energy resonances and role of vibronic levels of the intermediate complex. J Chem Phys 1993. [DOI: 10.1063/1.465312] [Citation(s) in RCA: 37] [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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Rubahn HG, Sathyamurthy N. Quasiclassical trajectory study of Li2(v⩽ 25,j⩽ 100)-Na exchange reaction. Mol Phys 1993. [DOI: 10.1080/00268979300100681] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Keller HM, Külz M, Setzkorn R, He GZ, Bergmann K, Rubahn H. Vibrationally enhanced inelastic atom–molecule cross sections at very low energies. J Chem Phys 1992. [DOI: 10.1063/1.462239] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Gianturco FA, Serna S, Delgado‐Barrio G, Villarreal P. On the coupling of rotovibrational motions in He–Li2 inelastic collisions. J Chem Phys 1991. [DOI: 10.1063/1.461690] [Citation(s) in RCA: 10] [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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Ziegler G, Kumar SVK, Rubahn H, Kuhn A, Sun B, Bergmann K. Angularly resolved rotational energy transfer in highly vibrationally excited states: Na2(v=31)–Ne. J Chem Phys 1991. [DOI: 10.1063/1.460611] [Citation(s) in RCA: 13] [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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Gislason EA, Sizun M. Calculation of the total scattering cross section for the collision of hard spheres: The atom–diatom case. J Chem Phys 1990. [DOI: 10.1063/1.459027] [Citation(s) in RCA: 12] [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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19
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Quasiclassical trajectory calculations of integral cross sections for highly vibrationally excited Li2He, Kr systems. Chem Phys Lett 1990. [DOI: 10.1016/0009-2614(90)85254-a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Matías M, Varandas A. Atom-molecule dispersion-energy coefficients and their dependence on the intramolecular coordinate: A-H2systems. Mol Phys 1990. [DOI: 10.1080/00268979000102631] [Citation(s) in RCA: 29] [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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Gaubatz U, Rudecki P, Schiemann S, Bergmann K. Population transfer between molecular vibrational levels by stimulated Raman scattering with partially overlapping laser fields. A new concept and experimental results. J Chem Phys 1990. [DOI: 10.1063/1.458514] [Citation(s) in RCA: 652] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Meier W, Zacharias H, Welge K. Vibrational excitation of a H2 molecular beam by Franck-Condon pumping. Chem Phys Lett 1989. [DOI: 10.1016/0009-2614(89)80016-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Perera L, Amar FG. Charge localization in negative ion dynamics: Effect on caging of Br−2 in Arn and (CO2)n clusters. J Chem Phys 1989. [DOI: 10.1063/1.456215] [Citation(s) in RCA: 75] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Butz KW, Du H, Krajnovich DJ, Parmenter CS. Rovibrational energy transfer from the (00, K’=0) and (72,K’=0) levels of S1 glyoxal in crossed beam collisions with H2. J Chem Phys 1988. [DOI: 10.1063/1.455662] [Citation(s) in RCA: 32] [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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Rubahn HG, Toennies J. A generalized model for the ν-dependence of the anisotropic long-range attractive interaction of alkali dimer-atom systems. Chem Phys 1988. [DOI: 10.1016/0301-0104(88)85016-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Gundlach G, Knuth E, Rubahn HG, Toennies J. Cross sections for translational and rotational relaxation in Li/Li2 and Na/Na2 molecular beams. Chem Phys 1988. [DOI: 10.1016/0301-0104(88)85089-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Varandas A, Matías M. The dependence of the C6 atom-diatom dispersion energy coefficient on the diatomic vibrational coordinate: A-H2 interactions. Chem Phys Lett 1988. [DOI: 10.1016/0009-2614(88)80291-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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29
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Rubahn H, Toennies JP. A molecular beam study of the potential anisotropy of laser vibrationally excited Li2(v=0,20) scattered from Kr. J Chem Phys 1988. [DOI: 10.1063/1.455523] [Citation(s) in RCA: 35] [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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30
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Ziegler G, Kumar SVK, Dittmann P, Bergmann K. The effect of vibrational bond stretching on rotational inelastic electron-molecule scattering. ACTA ACUST UNITED AC 1988. [DOI: 10.1007/bf01384859] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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31
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Nyeland C, Toennies J. Modelling of repulsive potentials from charge density distributions: A new site-site model applied to inert gas atoms with the diatomic molecules H2, N2, O2. Chem Phys 1988. [DOI: 10.1016/0301-0104(88)80016-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Becker M, Gaubatz U, Bergmann K, Jones PL. Efficient and selective population of high vibrational levels by stimulated near resonance Raman scattering. J Chem Phys 1987. [DOI: 10.1063/1.453674] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] 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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