Spectroscopic constants and dissociation energies for the ground states of N2, O2 and F2 determined at the CAS SCF MRCI correlation level are in excellent agreement with experiment when very large primitive valence and polarization one-particle Gaussian basis sets are employed. The dissociation ener
Ab initio calculation of the electrical properties of the X2Πg ground state of O2+
✍ Scribed by M. Fehér; P.A. Martin
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 279 KB
- Volume
- 261
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
The potential energy, quadrupole moments and di[~ole polarisabilities have been calculated at the full valence space CASSCF level using a [8s6p3d] basis for the ground X'l-lg state of O~-as a function of internuclear distance. Vibrationally averaged values are also calculated for the quadrupole moments and spherical and anisotropic polarisabilities for v = 0-3. The results are compared with calculations and experimental values for N~-, NO + and CO +.
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The results of an ab mmo rrearmenr of the Renner effect m the 'ffu state of PH2 are reported The Bom-Oppenheimer potential surfaces calculated by means of the MRD CI method are used A vanatlonal method, based on polynomial expansions of the molecular potentlals and the kmetlc-energy operator. IS emp
The potential energy curves, dipole, quadrupole, octopole and hexadecapole moment functions of the ground X 'Z+ state of NO+ have been calculated at Hartree-Fock, CASSCF, MR-CI and MP2 levels using a [ Ss6p3d] basis set In addition, dipole polansablhtles have also been calculated at the HF and MP2 l