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

For ScH+ (Scandium monohydride cation)

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 -0.010376 -0.139601 -0.139601 -0.146014 -0.184633 -0.185808 -0.202986 -0.369200 -0.370473 -0.213885 -0.199802 -0.159383 -0.240986 -0.172584 -0.265702
MP3=FULL         -0.201252   -0.219297       -0.213492 -0.171793 -0.256680    
MP4=FULL   -0.154709     -0.205912       -0.388541     -0.175045 -0.262714 -0.188550 -0.285131
B2PLYP=FULL -0.003428 -0.045205 -0.045205 -0.047523 -0.059522 -0.059834 -0.065151 -0.113421 -0.113769 -0.068195 -0.064370 -0.051875 -0.077203 -0.055903 -0.084202
Quadratic configuration interaction QCISD(T)=FULL         -0.207010             -0.175876 -0.263362 -0.189063 -0.285584
Coupled Cluster CCSD=FULL         -0.202166         -0.233204 -0.213790 -0.172457 -0.256139 -0.185276 -0.278004
CCSD(T)=FULL         -0.206938           -0.218182 -0.175789 -0.263239 -0.188969 -0.285459
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