TY  - RPRT
TI  - An efficient formulation and implementation of the analytic energy gradient method to the single and double excitation coupled-cluster wave function - Application to Cl2O2
AU  - Rendell, Alistair P.
AU  - Lee, Timothy J.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19910049676
ID  - 19910049676
ER  -