Journal Article 4 coupled cluster theory Research Support, Non-U.S. Gov't 2 CCSD(T) 1 CCSD(T)-based methods 1 Free Radicals 1 G4 theory 1 mehr ... Kohn-Sham referenced coupled cluster theory 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Weizmann-4 theory 1 ascorbate 1 ascorbic acid 1 autoxidation 1 benchmark 1 composite ab initio methods 1 computational chemistry 1 connectivity-based hierarchy 1 density functional theory 1 electron affinity 1 extrapolation 1 fragmentation-based method 1 ionization potential 1 motexafin gadolinium 1 radical 1 texaphyrin 1 transition metal complexes 1 weniger ...