Self consistent molecular orbital calculations on polyatomic molecules: Gaussian approximation for two-electron integrals

1971 ◽  
Vol 5 (5) ◽  
pp. 497-503 ◽  
Author(s):  
G. L. Bendazzoli ◽  
F. Bernardi ◽  
P. Palmieri
Keyword(s):  
Molecular Orbital ◽  
Gaussian Approximation ◽  
Polyatomic Molecules ◽  
Molecular Orbital Calculations ◽  
Self Consistent

Ab initio molecular orbital calculations of the ground and excited states of the permanganate and chromate ions

1970 ◽  
Vol 320 (1541) ◽  
pp. 161-173 ◽  
Keyword(s):  
Molecular Orbital ◽  
Excited States ◽  
Slater Type Orbitals ◽  
Molecular Orbital Calculations ◽  
Field Equations ◽  
Chromate Ions ◽  
Consistent Field ◽  
Self Consistent ◽  
Self Consistent Field ◽  
State Wavefunctions

The bonding in the permanganate and chromate ions is described by means of self-consistent field molecular orbital calculations employing a basis of Slater type orbitals expanded in Gaussian type functions. A new procedure for the solution of the self-consistent field equations is described and applied to the ions studied here. Excited state wavefunctions are calculated using configuration interaction considering all singly excited configurations involving all virtual and valence orbitals. The calculated transition energies and transition moments are compared with those from the experimental electronic spectra.

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