exFCI 105.2 114.5 118.0 119.1 120.0 exFCI+LDA 112.4 118.4 120.2 120.4 120.0 exFCI+PBE 117.2 119.4 120.3 120.4 120.0 CCSD(T) 103.9 113.6 117.1 118.6 120.0 CCSD(T)+LDA 110.6 117.2 119.2 119.8 120.0 CCSD(T)+PBE 115.1 118.0 119.3 119.8 120.0