TY - GEN AU - Belcher,Lachlan T AU - Kedziora,Gary S AU - Weeks,David E TI - Analytic non-adiabatic derivative coupling terms for spin-orbit MRCI wavefunctions. I. Formalism SN - 1089-7690 PY - 2019///1230 N1 - Publication Type: Journal Article UR - https://doi.org/10.1063/1.5126800 ER -