Ab initio effective core potentials for molecular calculations. Potentials for K to Au including the outermost core orbitals
Ab initio effective core potentials (ECP's) have been generated to replace the innermost core electron for third-row (K--Au), fourth-row (Rb--Ag), and fifth-row (Cs--Au) atoms. The outermost core orbitals: corresponding to the ns/sup 2/np/sup 6/ configuration for the three rows here: are not replaced by the ECP but are treated on an equal footing with the nd, (n+1)s and (n+1)p valence orbitals. These ECP's have been derived for use in molecular calculations where these outer core orbitals need to be treated explicitly rather than to be replaced by an ECP. The ECP's for the forth and fifth rows also incorporate the mass--velocity and Darwin relativistic effects into the potentials. Analytic fits to the potentials are presented for use in multicenter integral evaluation. Gaussian orbital valence basis sets are developed for the (3s, 3p, 3d, 4s, 4p), (4s, 4p, 4d, 5s, 5p), and (5s, 5p, 5d, 6s, 6p) ortibals of the three respective rows.
- Research Organization:
- Theoretical Division, MS J569, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
- OSTI ID:
- 6248285
- Journal Information:
- J. Chem. Phys.; (United States), Vol. 82:1
- Country of Publication:
- United States
- Language:
- English
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MOLECULES
ELECTRONIC STRUCTURE
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VALENCE
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FUNCTIONS
GENERAL RELATIVITY THEORY
LEPTONS
640305* - Atomic
Molecular & Chemical Physics- Atomic & Molecular Theory- (-1987)