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Wang Y, Zhao Y, Luo C, Zhang N, Wang W, Hu L, Yuan D, Wang X. High-Resolution Imaging Study on Photodissociation of OCS + [A 2Π Ω=1/2,3/2 (ν 1 0 ν 3)]. J Phys Chem A 2024; 128:4765-4774. [PMID: 38840312 DOI: 10.1021/acs.jpca.4c01358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
The development of the velocity map ion imaging (VMI) technique has greatly advanced the study of photodissociation dynamics. The high-resolution imaging study of the photodissociation allows for the acquisition of precise and detailed information on the fragments. This information can further provide more insight into the energy partition and potential pathways involved in the photodissociation process. In this study, we report the investigation on the photodissociation of OCS+ via the A2ΠΩ=1/2,3/2 states following the excitation of A2Π (ν1 0 ν3) ← X2Π (0 0 0) by using time-sliced VMI techniques in the ultraviolet region. Our investigation revealed significant mode-dependent recoil anisotropies and branching ratios of two product channels for both Ω = 1/2 and Ω = 3/2. The photolysis products also exhibited dramatic deviation in angular distributions and generally comparable kinetic energy distributions following the excitation to the same vibrational modes of A2ΠΩ states with two separate spin-orbit components. According to the observation in this study and previously reported photodissociation mechanisms of the OCS+ cations, the decay from the A2Π3/2 state was more likely via the internal conversion to high rovibrational states of the X2Π state, in comparison to the A2Π1/2 state.
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Affiliation(s)
- Yaling Wang
- Hefei National Research Center for Physical Science at Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Yunfan Zhao
- Hefei National Research Center for Physical Science at Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Chang Luo
- Hefei National Research Center for Physical Science at Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Ning Zhang
- Hefei National Research Center for Physical Science at Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Wenxin Wang
- Hefei National Research Center for Physical Science at Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Liru Hu
- Hefei National Research Center for Physical Science at Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Daofu Yuan
- Hefei National Research Center for Physical Science at Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Xingan Wang
- Hefei National Research Center for Physical Science at Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
- Hefei National Laboratory, Hefei 230088, China
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Holland D, Nandi S, Nicolas C, Bozek J, Patanen M, Powis I. An experimental and theoretical study of the valence shell photoelectron spectrum of oxalyl chloride. Chem Phys 2021. [DOI: 10.1016/j.chemphys.2020.111050] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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3
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Photodissociation dynamics of carbon dioxide cation via the vibrationally mediated A~2Πu,1/2υ1,υ2,0/B~2Σu+0,0,0 states in the wavelength range of 282–293 nm. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2020.137754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Zhou Z, Feng S, Hua Z, Li Z, Chen Y, Zhao D. Dissociation dynamics of carbon dioxide cation (CO 2 +) in the C 2Σ g + state via [1+1] two-photon excitation. J Chem Phys 2020; 152:134304. [PMID: 32268747 DOI: 10.1063/1.5143848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The dissociation dynamics of CO2 + in the C2Σg + state has been studied in the 8.14-8.68 eV region by [1+1] two-photon excitation via vibronically selected intermediate A2Πu and B2Σu + states using a cryogenic ion trap velocity map imaging spectrometer. The cryogenic ion trap produces an internally cold mass selected ion sample of CO2 +. Total translational energy release (TER) and two-dimensional recoiling velocity distributions of fragmented CO+ ions are measured by time-sliced velocity map imaging. High resolution TER spectra allow us to identify and assign three dissociation channels of CO2 + (C2Σg +) in the studied energy region: (1) production of CO+(X2Σ+) + O(3P) by predissociation via spin-orbit coupling with the repulsive 14Πu state; (2) production of CO+(X2Σ+) + O(1D) by predissociation via bending and/or anti-symmetric stretching mediated conical intersection crossing with A2Πu or B2Σu +, where the C2Σg +/A2Πu crossing is considered to be more likely; (3) direct dissociation to CO+(A2Π) + O(3P) on the C2Σg + state surface, which exhibits a competitive intensity above its dissociation limit (8.20 eV). For the first dissociation channel, the fragmented CO+(X2Σ+) ions are found to have widely spread populations of both rotational and vibrational levels, indicating that bending of the parent CO2 + over a broad range is involved upon dissociation, while for the latter two channels, the produced CO+(X2Σ+) and CO+(A2Π) ions have relatively narrow rotational populations. The anisotropy parameters β are also measured for all three channels and are found to be nearly independent of the vibronically selected intermediate states, likely due to complicated intramolecular interactions in the studied energy region.
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Affiliation(s)
- Zhengfang Zhou
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Shaowen Feng
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Zefeng Hua
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Zhen Li
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Yang Chen
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Dongfeng Zhao
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
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Rudenko A, Makhija V, Vajdi A, Ergler T, Schürholz M, Kushawaha RK, Ullrich J, Moshammer R, Kumarappan V. Strong-field-induced wave packet dynamics in carbon dioxide molecule. Faraday Discuss 2016; 194:463-478. [PMID: 27711853 DOI: 10.1039/c6fd00152a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Temporal evolution of electronic and nuclear wave packets created in strong-field excitation of the carbon dioxide molecule is studied employing momentum-resolved ion spectroscopy and channel-selective Fourier analysis. Combining the data obtained with two different pump-probe set-ups, we observed signatures of vibrational dynamics in both, ionic and neutral states of the molecule. We consider far-off-resonance two-photon Raman scattering to be the most likely mechanism of vibrational excitation in the electronic ground state of the neutral CO2. Using the measured phase relation between the time-dependent yields of different fragmentation channels, which is consistent with the proposed mechanism, we suggest an intuitive picture of the underlying vibrational dynamics. For ionic states, we found signatures of both, electronic and vibrational excitations, which involve the ground and the first excited electronic states, depending on the particular final state of the fragmentation. While our results for ionic states are consistent with the recent observations by Erattupuzha et al. [J. Chem. Phys.144, 024306 (2016)], the neutral state contribution was not observed there, which we attribute to a larger bandwidth of the 8 fs pulses we used for this experiment. In a complementary measurement employing longer, 35 fs pulses in a 30 ps delay range, we study the influence of rotational excitation on our observables, and demonstrate how the coherent electronic wave packet created in the ground electronic state of the ion completely decays within 10 ps due to the coupling to rotational motion.
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Affiliation(s)
- Artem Rudenko
- J.R Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA. and Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - Varun Makhija
- J.R Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA. and Department of Physics, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Aram Vajdi
- J.R Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA. and Department of Electrical and Computer Engineering, Kansas State University, Manhattan, Kansas 66506, USA
| | - Thorsten Ergler
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | | | - Rajesh K Kushawaha
- J.R Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA.
| | - Joachim Ullrich
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany and Physikalisch-Technische Bundesanstalt, 38116 Braunschweig, Germany
| | | | - Vinod Kumarappan
- J.R Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA.
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Erattupuzha S, Larimian S, Baltuška A, Xie X, Kitzler M. Two-pulse control over double ionization pathways in CO2. J Chem Phys 2016; 144:024306. [PMID: 26772570 DOI: 10.1063/1.4939638] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We visualize and control molecular dynamics taking place on intermediately populated states during different sequential double ionization pathways of CO2 using a sequence of two delayed laser pulses which exhibit different peak intensities. Measured yields of CO2 (2+) and of fragment pairs CO(+)/O(+) as a function of delay between the two pulses are weakly modulated by various vibronic dynamics taking place in CO2 (+). By Fourier analysis of the modulations we identify the dynamics and show that they can be assigned to merely two double ionization pathways. We demonstrate that by reversing the sequence of the two pulses it becomes possible to control the pathway which is taken across CO2 (+) towards the final state in CO2 (2+). A comparison between the yields of CO2 (2+) and CO(+)/O(+) reveals that the modulating vibronic dynamics oscillate out-of-phase with each other, thus opening up opportunities for strong-field fragmentation control on extended time scales.
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Affiliation(s)
- Sonia Erattupuzha
- Photonics Institute, Vienna University of Technology, Gusshausstrasse 27, A-1040 Vienna, Austria
| | - Seyedreza Larimian
- Photonics Institute, Vienna University of Technology, Gusshausstrasse 27, A-1040 Vienna, Austria
| | - Andrius Baltuška
- Photonics Institute, Vienna University of Technology, Gusshausstrasse 27, A-1040 Vienna, Austria
| | - Xinhua Xie
- Photonics Institute, Vienna University of Technology, Gusshausstrasse 27, A-1040 Vienna, Austria
| | - Markus Kitzler
- Photonics Institute, Vienna University of Technology, Gusshausstrasse 27, A-1040 Vienna, Austria
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7
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Furch FJ, Birkner S, Jungmann JH, Kelkensberg F, Schulz CP, Rouzée A, Vrakking MJJ. Photoelectron imaging of XUV photoionization of CO2 by 13–40 eV synchrotron radiation. J Chem Phys 2013; 139:124309. [DOI: 10.1063/1.4820947] [Citation(s) in RCA: 9] [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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8
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Pranszke B. Charge-transfer excitation in collisions of He+ ions with CO2 molecules under beam conditions. Chem Phys Lett 2012. [DOI: 10.1016/j.cplett.2012.03.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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9
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Charge-transfer excitation in collisions of slow H+ and ions with CO2 molecules under beam conditions. Chem Phys Lett 2011. [DOI: 10.1016/j.cplett.2011.04.046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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11
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Gharaibeh MA, Clouthier DJ. Laser induced fluorescence spectroscopy of the jet-cooled carbon dioxide cation (C12O2+ and C13O2+). J Chem Phys 2010; 132:114307. [DOI: 10.1063/1.3360309] [Citation(s) in RCA: 12] [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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12
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13
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Meng Q, Huang MB, Chang HB. Theoretical Study on the Predissociation Mechanism of CO2+ (C 2Σg+). J Phys Chem A 2009; 113:12825-30. [DOI: 10.1021/jp907351s] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qingyong Meng
- College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, P.O. Box 4588, Beijing 100049, People’s Republic of China
| | - Ming-Bao Huang
- College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, P.O. Box 4588, Beijing 100049, People’s Republic of China
| | - Hai-Bo Chang
- College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, P.O. Box 4588, Beijing 100049, People’s Republic of China
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Yang M, Zhang L, Lai L, Zhou D, Wang J, Sun Q. Study on the [1+1′] photodissociation spectra of CO2+ via C2Σg+←B2Σu+/A2Πu,1/2←X2Πg,1/2 transitions. Chem Phys Lett 2009. [DOI: 10.1016/j.cplett.2009.08.053] [Citation(s) in RCA: 4] [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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15
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Yang M, Zhang L, Zhuang X, Lai L, Yu S. The [1+1] two-photon dissociation spectra of CO2+ via ÃΠu,1∕22(υ1υ20)←X̃Πg,1∕22(000) transitions. J Chem Phys 2008; 128:164308. [DOI: 10.1063/1.2905232] [Citation(s) in RCA: 12] [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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16
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Varfalvy N, Larzilliere§ M, Frigon C, Bacis R, Ross AJ. Fourier transform spectra of laser-induced fluorescence. Mol Phys 2007. [DOI: 10.1080/00268970701222706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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17
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Shaw D, Holland D, Poole I, Södergren S, Öhrwall G, Karlsson L, Chau F, Mok DW. A study of vibronic coupling in excited neutral and ionic states of carbon dioxide. Chem Phys 2006. [DOI: 10.1016/j.chemphys.2005.09.050] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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18
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Sommavilla M, Merkt F. Pulsed-Field-Ionization Zero-Kinetic-Energy (PFI-ZEKE) Photoelectron Spectroscopic Study of the Renner−Teller Effect in the Ã+ 2Π State of OCS+. J Phys Chem A 2004. [DOI: 10.1021/jp0478458] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M. Sommavilla
- Physical Chemistry, ETH Zurich, CH-8093 Zurich, Switzerland
| | - F. Merkt
- Physical Chemistry, ETH Zurich, CH-8093 Zurich, Switzerland
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Rathbone GJ, Poliakoff ED, Bozek JD, Lucchese RR. Intrachannel vibronic coupling in molecular photoionization. CAN J CHEM 2004. [DOI: 10.1139/v04-079] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We discuss the excitation of forbidden vibrational transitions accompanying photoionization of linear triatomic molecules. Excitation of a single quantum of the antisymmetric stretching vibration is observed for mole cules with inversion symmetry, as is the bending mode. Photoelectron spectra of the N2O+(A2Π), CO2+(C2Σg+), and CS2+(B2Σu+) states obtained over a range of ionization energies exhibit contrasting behavior for the relative intensities of the forbidden vibrations. These energy-dependent vibrational branching ratios are shown to result from an intrachannel vibronic coupling mechanism. Moreover, this intrachannel coupling can be further divided into two cases, one in which the photoionization cross section is sensitive to geometry changes, and a second case in which it is not. These different cases can be distinguished by comparing the experimental and theoretical results for all three molecules.Key words: photoelectron spectroscopy, vibronic coupling, photoionization.PACS Nos.: 33.60.Cv, 33.20.Ni, 33.20.Wr, 33.80.Eh
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Eden S, Limão-Vieira P, Kendall P, Mason N, Delwiche J, Hubin-Franskin MJ, Tanaka T, Kitajima M, Tanaka H, Cho H, Hoffmann S. Electronic excitation of tetrafluoroethylene, C2F4. Chem Phys 2004. [DOI: 10.1016/j.chemphys.2003.10.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Liu J, Chen W, Hochlaf M, Qian X, Chang C, Ng CY. Unimolecular decay pathways of state-selected CO2+ in the internal energy range of 5.2–6.2 eV: An experimental and theoretical study. J Chem Phys 2003. [DOI: 10.1063/1.1524180] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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22
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Chen W, Hochlaf M, Rosmus P, He GZ, Ng CY. Vacuum ultraviolet pulsed field ionization-photoelectron study of OCS in the energy range of 15–19 eV. J Chem Phys 2002. [DOI: 10.1063/1.1455622] [Citation(s) in RCA: 18] [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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Liu J, Hochlaf M, Ng CY. Pulsed field ionization–photoelectron bands for CO2+(A 2Πu and B 2Σu+) in the energy range of 17.2–19.0 eV: An experimental and theoretical study. J Chem Phys 2000. [DOI: 10.1063/1.1314354] [Citation(s) in RCA: 40] [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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Muramatsu Y, Shimizu Y, Yoshida H, Okada K, Saito N, Koyano I, Tanaka H, Ueda K. Nuclear motion in the O 1s−12πu core-excited states of CO2 probed by sub-natural-width resonant Auger emission spectroscopy. Chem Phys Lett 2000. [DOI: 10.1016/s0009-2614(00)01086-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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25
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Liu J, Hochlaf M, Chambaud G, Rosmus P, Ng CY. High Resolution Pulsed Field Ionization−Photoelectron Bands for CS2+(Ã2Πu): An Experimental and Theoretical Study. J Phys Chem A 2000. [DOI: 10.1021/jp001998n] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jianbo Liu
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720
| | - M. Hochlaf
- Theoretical Chemistry Group, University of Marne-La−Vallée, Champs sur Marne, F-77454, Marne-la-Vallée, France
| | - G. Chambaud
- Theoretical Chemistry Group, University of Marne-La−Vallée, Champs sur Marne, F-77454, Marne-la-Vallée, France
| | - P. Rosmus
- Theoretical Chemistry Group, University of Marne-La−Vallée, Champs sur Marne, F-77454, Marne-la-Vallée, France
| | - C. Y. Ng
- Ames Laboratory, USDOE, and Department of Chemistry, Iowa State University, Ames, Iowa 50011
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Liu J, Chen W, Hsu CW, Hochlaf M, Evans M, Stimson S, Ng CY. High resolution pulsed field ionization–photoelectron study of CO2+(X 2Πg) in the energy range of 13.6–14.7 eV. J Chem Phys 2000. [DOI: 10.1063/1.481721] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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27
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Thompson WE, Jacox ME. The vibrational spectra of CO2+, (CO2)2+, CO2−, and (CO2)2− trapped in solid neon. J Chem Phys 1999. [DOI: 10.1063/1.479212] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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28
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Stimson S, Evans M, Ng CY, Hsu CW, Heimann P, Destandau C, Chambaud G, Rosmus P. High resolution vacuum ultraviolet pulsed field ionization photoelectron band for OCS+(X 2Π): An experimental and theoretical study. J Chem Phys 1998. [DOI: 10.1063/1.476027] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
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