화학공학소재연구정보센터
Journal of Chemical Physics, Vol.100, No.2, 1375-1379, 1994
Large Basis-Set Calculations Using Brueckner Theory
Calculations are reported using the Brueckner doubles method, with and without a perturbative estimate of the effects of triple excitations, and using basis sets which are at least triple zeta with two sets of polarization functions in quality. Equilibrium geometries and harmonic vibrational frequencies are calculated for HF, N-2, H2O, NH3, CH4, HCN, H2CO, NNO, and O-3. Comparison with experimental data confirm the high accuracy of Brueckner methods.