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

For ScF3 (Scandium trifluoride)

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 aug-cc-pVDZ aug-cc-pVTZ
Moller Plesset perturbation MP2=FULL -0.007544 -0.158690 -0.158690 -0.159482 -0.205820 -0.205820 -0.219388 -0.432969 -0.432969 -0.255058 -0.262384 -0.182917 -0.296971 -0.198868 -0.334784
MP3=FULL         -0.219786   -0.233570       -0.275977 -0.195073 -0.312860    
MP4=FULL   -0.171169     -0.226965       -0.455446     -0.199740 -0.322873    
B2PLYP=FULL -0.002338 -0.049630 -0.049630 -0.050539 -0.065330 -0.065330 -0.069700 -0.130861 -0.130861 -0.079830 -0.081259 -0.058050 -0.092605 -0.063229 -0.103544
Quadratic configuration interaction QCISD(T)=FULL         -0.226376             -0.199343 -0.322157    
Coupled Cluster CCSD=FULL         -0.220396           -0.275330 -0.194939 -0.312978    
CCSD(T)=FULL         -0.226220           -0.280427 -0.199319 -0.321757    
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 aug-cc-pVDZ aug-cc-pVTZ