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 mome
Ab initio calculation of vibronic levels in the 2πu state of ph2
✍ Scribed by Miljenko Perić
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 436 KB
- Volume
- 76
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
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 employed for calculaclon of \ Ibronx levels
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The nature of the rotational barrier in substituted phosphoranes has been investigated by ab initio calculations of P&NH2 using gaussian expansions of Slater orbitals. The conformation with the amino group's lone pair lying in the equatorial plane of the phosphorsne system was favored by 2 1.0 kcall
A variational approach is applied to calculate the vibronic energy levels and the corresponding wavefunctions for the \(X^{2} I_{u}\) electronic state of \(\mathrm{B}_{2} \mathrm{H}_{2}^{+}\). The potential surfaces involving variations of the symmetric B-H stretching, B-B stretching, trans- and cis