exFCI 201.1 217.1 223.5 225.7 227.8 exFCI+LDA 217.9 225.9 228.0 228.6 227.8 exFCI+PBE 227.7 227.8 228.3 228.5 227.8 CCSD(T) 199.9 216.3 222.8 225.0 227.8 CCSD(T)+LDA 216.3 224.8 227.2 227.8 227.8 CCSD(T)+PBE 225.9 226.7 227.5 227.8 227.8