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Abstract
A three-dimensional intermolecular potential energy surface of the Ar-CO complex has been determined by fitting most of the previously reported spectroscopic data, where observed transition frequencies by microwave, millimeter-wave, submillimeter-wave, and infrared spectroscopy were reproduced simultaneously within their experimental accuracies. A free rotor model Hamiltonian considering all the freedom of motions for an atom-diatom system was applied to calculate vibration-rotation energies. A three-dimensional potential energy surface obtained by ab initio calculations at the CCSD(T)-F12b/aug-cc-pV5Z level of theory was parameterized by a model function consisting of 46 parameters. They were used as initial values for the least-squares analysis of the experimental data. A total of 20 parameters were optimized to reproduce all the spectroscopic data.
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Affiliation(s)
- Yoshihiro Sumiyoshi
- Division of Pure and Applied Science, Graduate School of Science and Technology, Gunma University, 4-2 Aramaki, Maebashi, Gunma 371-8510, Japan
| | - Yasuki Endo
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
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KONIG S, HAVENITH M. Measurement of theKa= 1 (vco= 1)stretching mode in Ar—CO using a Herriott multipass cell. Mol Phys 2010. [DOI: 10.1080/002689797171571] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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HEPP BM, GENDRIESCH R, PAK I, KURITSYN YA, LEWEN F, BROOKES M, MCKELLAR ARW, AMANO JKGWATSONGWINNEWISSERA, WATSON JKG, WINNEWISSER G, AMANO T. Millimetre-wave spectrum of the Ar-CO complex: the K=2 1 and 3 2 subbands. Mol Phys 2010. [DOI: 10.1080/002689797170428] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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XU YUNJIE. The infrared spectrum of the Ar-CO complex Comprehensive analysis including van der Waals stretching and bending states. Mol Phys 2010. [DOI: 10.1080/00268979650026343] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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BROOKES MATTHEWD, McKellar ARW. Infrared spectra of the Kr—CO and Xe—CO van der Waals complexes. Mol Phys 2009. [DOI: 10.1080/00268979909482815] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- MATTHEW D. BROOKES
- a Steacie Institute for Molecular Sciences, National Research Council of Canada , Ottawa , Ontario , Canada , K1A 0R6
| | - A. R. W. McKellar
- a Steacie Institute for Molecular Sciences, National Research Council of Canada , Ottawa , Ontario , Canada , K1A 0R6
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Feng E, Zhang Y, Wang Z, Niu M, Cui Z. Rovibrational structure of the Xe-CO complex based on a new three-dimensional ab initio potential. J Chem Phys 2009; 130:124311. [PMID: 19334834 DOI: 10.1063/1.3100754] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The first three-dimensional interaction potential energy surface of the Xe-CO complex is developed using the single and double excitation coupled cluster theory with noniterative treatment of triple excitations. Mixed basis sets, aug-cc-pVQZ for the C and O atoms and aug-cc-pVQZ-PP for the Xe atom, including an additional (3s3p2d2f1g) set of midbond functions are used. The calculated single point energies at five fixed r(co) values are fitted to an analytic two-dimensional potential model, and further the five model potentials are used to construct the three-dimensional potential energy surface by interpolating along (r-r(e)). Dynamical calculations with the vibrationally averaged potentials are performed to determine the energy levels and the frequencies of various rovibrational transitions. Our results agree well with the experiment. For example, the IR transitions of 508 lines are precisely reproduced with only a total rms error of 0.105 cm(-1).
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Affiliation(s)
- Eryin Feng
- Department of Physics, Anhui Normal University, Wuhu 241000, People's Republic of China.
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Ortlieb M, Havenith M. Proton Transfer in (HCOOH)2: An IR High-Resolution Spectroscopic Study of the Antisymmetric C−O Stretch†. J Phys Chem A 2007; 111:7355-63. [PMID: 17552500 DOI: 10.1021/jp070763+] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report the fully analyzed high-resolution spectrum of the carboxylic acid dimer (HCOOH)2 in the gas phase. High-resolution IR spectra in the region of the antisymmetric C-O stretch vibration have been recorded at 1221.0-1226.7 cm(-1). The data could be fit within experimental uncertainty to a rigid rotor Watson S-reduced Hamiltonian. The vibrational frequency of the C-O vibration is 1225.3430(3) cm(-1). On the basis of the measurement of a tunneling splitting of 0.0158(4)cm(-1) for the lower state and 0.0100(3) cm(-1) for the upper state, we determine a proton-transfer time of 1.0 and 1.7 ns for the ground and the vibrationally excited state, respectively.
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Affiliation(s)
- Markus Ortlieb
- Department of Physical Chemistry II, Ruhr-University Bochum, Universitätsstrasse 150, D-44780 Bochum, Germany
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Coudert LH, Pak I, Surin L. The potential energy surface of the Ar-CO complex obtained using high-resolution data. J Chem Phys 2004; 121:4691-8. [PMID: 15332901 DOI: 10.1063/1.1781157] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A potential energy surface is retrieved for the Ar-CO complex by carrying out a global analysis of its high-resolution spectroscopic data. The data set consists of already published microwave and infrared data and of new microwave transitions which are presented in the paper. The theoretical approach used to reproduce the spectrum is based on a model Hamiltonian which accounts simultaneously for the two large amplitude van der Waals modes and for the overall rotation of the complex. Only the vCO = 0 state is considered. The root-mean-square deviation of the analysis is 18 MHz for the microwave data and 1.4 x 10(-3) cm(-1) for the infrared energy difference data. Fifteen parameters corresponding to the potential energy function are determined in addition to two kinetic energy parameters and two distortion-type parameters. The potential energy surface derived is in good agreement with the one obtained by Shin, Shin, and Tao [J. Chem. Phys. 104, 183 (1996)].
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Affiliation(s)
- L H Coudert
- Laboratorie de Photophysique Moléculaire, CNRS, Bâtiment 350, Université de Paris-Sud, 91405 Orsay, Cedex, France.
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Havenith M. Comment on “Theoretical absorption spectrum of the Ar–CO van der Waals complex” [J. Chem. Phys. 118, 9596 (2003)]. J Chem Phys 2003. [DOI: 10.1063/1.1606671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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López Cacheiro J, Fernández B, Pedersen TB, Koch H. Theoretical absorption spectrum of the Ar–CO van der Waals complex. J Chem Phys 2003. [DOI: 10.1063/1.1570812] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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SCHEELE I, HAVENITH M. High-resolution IR spectroscopy of a high lyingKa= 0 mode of the weakly bound van der Waals complex Ar—CO. Mol Phys 2003. [DOI: 10.1080/0026897031000092265] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Bondo Pedersen T, López Cacheiro J, Fernández B, Koch H. Rovibrational structure of the Ar–CO complex based on a novel three-dimensional ab initio potential. J Chem Phys 2002. [DOI: 10.1063/1.1493180] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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Gianturco FA, Paesani F. The rovibrational structure of the Ar–CO complex from a model interaction potential. J Chem Phys 2001. [DOI: 10.1063/1.1377604] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Xia C, Walker KA, McKellar ARW. Infrared and millimeter wave spectra of the CH4–CO complex in theAinternal rotation state. J Chem Phys 2001. [DOI: 10.1063/1.1349425] [Citation(s) in RCA: 17] [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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SCHEELE I, LEHNIG R, HAVENITH M. Observation of a high lying van der Waals mode in the intermolecular potential of Ar-CO. Mol Phys 2001. [DOI: 10.1080/00268970010008351] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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SCHEELE I, LEHNIG R, HAVENITH M. Infrared spectroscopy of van der Waals modes in the intermolecular potential of Ar-CO: TheKa, = 0 combination of stretch and bending. Mol Phys 2001. [DOI: 10.1080/00268970010007587] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Walker KA, McKellar ARW. Millimeter-Wave Spectroscopy of Kr-CO and Xe-CO Using a Coaxial Jet Spectrometer. JOURNAL OF MOLECULAR SPECTROSCOPY 2001; 205:331-337. [PMID: 11162221 DOI: 10.1006/jmsp.2000.8272] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A new pulsed supersonic jet millimeter-wave spectrometer with coaxial propagation of the molecular jet and millimeter-waves has been constructed. The coaxial configuration provides greater sensitivity which has been demonstrated by observing b-type transitions of five isotopomers of Kr-(12)C(16)O and seven isotopomers of Xe-(12)C(16)O. These results were analyzed together with a-type transitions obtained by FTMW spectroscopy to determine improved rotational parameters for each isotopomer. The ground vibrational state K = 1 <-- 0 intervals have thus been precisely determined for Kr-CO and Xe-CO. Copyright 2001 Academic Press.
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Affiliation(s)
- Kaley A. Walker
- Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario, K1A 0R6, Canada
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Toczyłowski RR, Cybulski SM. Anab initiostudy of the potential energy surface and spectrum of Ar–CO. J Chem Phys 2000. [DOI: 10.1063/1.481043] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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McKELLAR ARW. Infrared spectrum of the Ar-CO complex: observation of thevco= 2 ← 0 band at 4260 cm−1. Mol Phys 2000. [DOI: 10.1080/00268970009483274] [Citation(s) in RCA: 2] [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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Gendriesch R, Pak I, Lewen F, Surin L, Roth DA, Winnewisser G. Submillimeter Detection of the van der Waals Stretching Vibration of the Ar-CO Complex. JOURNAL OF MOLECULAR SPECTROSCOPY 1999; 196:139-145. [PMID: 10361064 DOI: 10.1006/jmsp.1999.7865] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
With the Cologne submillimeter-wave supersonic jet spectrometer, we extended molecular jet spectroscopy with backward wave oscillators up to frequencies of about 600 GHz. For the first time, the van der Waals stretching vibration of the Ar-CO molecular complex was detected in direct absorption. We measured 13 ro-vibrational transitions (Kvstretch = 1 <-- 0, Ka = 0 <-- 0) in the frequency range from 528 to 600 GHz and additionally the two R(3) K doublet (Ka = 4 <-- 3) pure rotational transitions at 447 GHz with an accuracy of about 200 kHz. The ro-vibrational transitions were assigned and fitted within experimental accuracy to a simple Hamiltonian taking into account the Coriolis interaction between the stretching and bending states, i.e., between vstretch = 1, Ka = 0, and vbend = 1, Ka = 1. The intensity of the transitions in the van der Waals stretching mode was estimated to be a factor of 5-10 less than that in the bending mode of Ar-CO. Copyright 1999 Academic Press.
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Affiliation(s)
- R Gendriesch
- I. Physikalisches Institut, Universität zu Köln, Cologne, D-50937, Germany
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A. R. W. McKELLAR M.-C. CHAN. Infrared spectrum of the CO–Ne complex: long-path diode laser observations of higher excited states. Mol Phys 1998. [DOI: 10.1080/002689798169258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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McKellar ARW. High-resolution infrared spectrum and energy levels of the weakly bound complex, CO–paraH2. J Chem Phys 1998. [DOI: 10.1063/1.475558] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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Mähnert J, Baumgärtel H, Weitzel KM. The formation of ArCO+ ions by dissociative ionization of argon/carbonmonoxide clusters. J Chem Phys 1997. [DOI: 10.1063/1.474909] [Citation(s) in RCA: 9] [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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Hepp M, Gendriesch R, Pak I, Lewen F, Winnewisser G. Submillimeter-Wave Absorption Spectroscopy of the Ar-CO Complex: Detection of the van der Waals Bending Vibration. JOURNAL OF MOLECULAR SPECTROSCOPY 1997; 183:295-299. [PMID: 9252300 DOI: 10.1006/jmsp.1997.7274] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Van der Waals bending rovibrational transitions of the Ar-CO complex were observed between 308 and 383 GHz using submillimeter-wave absorption spectroscopy in a pulsed supersonic jet. The submillimeter radiation was generated by a phase-stabilized backward wave oscillator source. Fourteen transitions of the P and R branch of the bending vibration were measured with an accuracy of about 100 kHz. The frequencies were fitted using effective molecular parameters including the band origin and the rotational constants for the ground state and for the excited bending vibrational state.
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Affiliation(s)
- M Hepp
- I. Physikalisches Institut, Universitat zu Koln, Koln, D-50937, Germany
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Walker KA, Ogata T, Jäger W, Gerry MCL, Ozier I. Pure rotational spectra of the van der Waals complexes Ne–CO, Kr–CO, and Xe–CO. J Chem Phys 1997. [DOI: 10.1063/1.473756] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Hättig C, Hess BA. TDMP2 calculation of dynamic multipole polarizabilities and dispersion coefficients of the triplebonded molecules CO, N2, CN−, and NO+. J Chem Phys 1996. [DOI: 10.1063/1.472827] [Citation(s) in RCA: 27] [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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Ruchti T, Speck T, Connelly JP, Bieske EJ, Linnartz H, Maier JP. Rotationally resolved infrared absorption spectrum of N+4. J Chem Phys 1996. [DOI: 10.1063/1.472124] [Citation(s) in RCA: 42] [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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Jansen G. The rovibrational spectrum of the ArCO complex calculated from a semiempirically extrapolated coupled pair functional potential energy surface. J Chem Phys 1996. [DOI: 10.1063/1.471884] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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Xu Y, Civiš S, McKellar A, König S, Haverlag M, Hilpert G, Havenith M. High-K(‘propeller’) states in the infrared spectrum of the Ar-CO complex. Mol Phys 1996. [DOI: 10.1080/00268979600100741] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Xu Y, McKellar ARW. Continuous slit‐jet infrared spectrum of the CO–N2 complex. J Chem Phys 1996. [DOI: 10.1063/1.470997] [Citation(s) in RCA: 48] [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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Yoshiyuki Kawashima, Kazuhiro Nishiza. Pulsed molecular beam infrared absorption spectroscopy of the N2CO complex. Chem Phys Lett 1996. [DOI: 10.1016/0009-2614(95)01354-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Shin S, Shin SK, Tao F. Ab initio potential energy surface and rovibrational energies of Ar⋅ ⋅ ⋅CO. J Chem Phys 1996. [DOI: 10.1063/1.471641] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
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König S, Hilpert G, Havenith M. Observation of strong Coriolis coupling in the infrared spectrum of Ar-CO. Mol Phys 1995. [DOI: 10.1080/00268979500102701] [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. Microwave–millimeter‐wave double resonance experiments on Ar–CO. J Chem Phys 1995. [DOI: 10.1063/1.468581] [Citation(s) in RCA: 48] [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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Castells V, Halberstadt N, Shin SK, Beaudet RA, Wittig C. Calculated rotational spectrum of Ar...CO from anab initiopotential energy surface: A very floppy van der Waals molecule. J Chem Phys 1994. [DOI: 10.1063/1.467799] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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