Application of a kink-based path integral formulation to molecular systems

CHED 944

Shawn L. Wilkinson, and Randall W. Hall, Department of Chemistry, Louisiana State University, 232 Choppin Hall, Baton Rouge, LA 70803
A path-integral calculation utilizing an adaptive, kink-based approach is used to study several molecular systems. The molecular systems studied are N2, O2, CO2, and H2O. The basis sets of a previous study have been expanded to further compare the electronic and geometric degrees of freedom with density functional theory (DFT) and second-order Moller-Plesset (MP2) calculations. A comparison shows close agreement of degrees of freedom with DFT and MP2.