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Energy differences between frozen core and all electrons correlated.
MP2, MP3, MP4, B2PLYP, CCSD, and CCSD(T)

For ScH3 (Scandium trihydride)

Energies in Hartree
Methods with standard basis sets
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ
Moller Plesset perturbation MP2=FULL -0.008988 -0.147268 -0.147268 -0.155187 -0.188530 -0.190501 -0.206644 -0.373130 -0.375523 -0.218382 -0.208038 -0.172620 -0.246374 -0.299895 -0.190726 -0.279500 -0.304413
MP3=FULL         -0.204067   -0.221528       -0.219617 -0.183755 -0.260105        
MP4=FULL   -0.160545     -0.209255       -0.393365     -0.186755 -0.267767   -0.205957 -0.298089  
B2PLYP=FULL -0.002901 -0.046774 -0.046774 -0.049727 -0.060968 -0.061571 -0.066807 -0.115469 -0.116180 -0.070131 -0.067080 -0.056149 -0.079761   -0.061986 -0.089214  
Quadratic configuration interaction QCISD(T)=FULL         -0.209730             -0.186603 -0.267899   -0.205765 -0.298115  
QCISD(TQ)=FULL         -0.210079   -0.227735         -0.187083 -0.267936   -0.206172 -0.297401  
Coupled Cluster CCSD=FULL         -0.204496         -0.236756 -0.218348 -0.182791 -0.259730 -0.315470 -0.201114 -0.289337 -0.319553
CCSD(T)=FULL         -0.209641           -0.223013 -0.186612 -0.267673 -0.326590 -0.205724 -0.297885 -0.330834
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ