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http://hdl.handle.net/1942/3156
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DC Field | Value | Language |
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dc.contributor.author | FRANCOIS, Jean-Pierre | - |
dc.contributor.author | Cai, F | - |
dc.date.accessioned | 2007-11-26T16:18:31Z | - |
dc.date.available | 2007-11-26T16:18:31Z | - |
dc.date.issued | 1998 | - |
dc.identifier.citation | CHEMICAL PHYSICS, 234(1-3). p. 59-68 | - |
dc.identifier.issn | 0301-0104 | - |
dc.identifier.uri | http://hdl.handle.net/1942/3156 | - |
dc.description.abstract | The equilibrium bond lengths (r(e)), harmonic frequencies (omega(e)), first- and second-order anharmonicity constants (omega(e)x(e), omega(e)y(e)), rotational constants (B-e), centrifugal distortion constants (D-e), rotation-vibrational and centrifugal coupling constants (alpha(e) and beta(e), respectively) for the X(2)Sigma(+) and A (2)Pi states of the SiO+ cation have been calculated at the complete active space self-consistent field (CASSCF), internally contracted multireference configuration interaction (CMRCI), coupled cluster (CCSD(T)) and hybrid density functional (B3LYP and B3PW91) methods with Dunning's correlation-consistent basis sets. The excitation energy (T-e) of the A (2)Pi state has also been computed at these theoretical levels. Dipole moments (mu(0)) of SiO+ in the X(2)Sigma(+) and A (2)Pi states are also given. Our calculations show that core correlation must be considered in order to obtain a satisfactory accuracy for the spectroscopic constants, and that the B3PW91 method can predict very well the geometry and harmonic frequency of the X(2)Sigma(+) State of SiO+. (C) 1998 Elsevier Science B.V. All rights reserved. | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.title | Ab initio study of the X-2 Sigma(+) and A(2)Pi states of the SiO+ cation including the effect of core correlation | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 68 | - |
dc.identifier.issue | 1-3 | - |
dc.identifier.spage | 59 | - |
dc.identifier.volume | 234 | - |
local.format.pages | 10 | - |
dc.description.notes | Limburgs Univ Ctr, Dept SBG, Inst Sci Mat, B-3590 Diepenbeek, Belgium.Francois, JP, Limburgs Univ Ctr, Dept SBG, Inst Sci Mat, Univ Campus, B-3590 Diepenbeek, Belgium. | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1016/S0301-0104(98)00113-X | - |
dc.identifier.isi | 000075261100004 | - |
item.fullcitation | FRANCOIS, Jean-Pierre & Cai, F (1998) Ab initio study of the X-2 Sigma(+) and A(2)Pi states of the SiO+ cation including the effect of core correlation. In: CHEMICAL PHYSICS, 234(1-3). p. 59-68. | - |
item.accessRights | Closed Access | - |
item.contributor | FRANCOIS, Jean-Pierre | - |
item.contributor | Cai, F | - |
item.fulltext | No Fulltext | - |
item.validation | ecoom 1999 | - |
Appears in Collections: | Research publications |
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