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

For TiH (Titanium monohydride)

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 -0.039488 -0.119603 -0.119603 -0.129669   -0.180244 -0.198517   -0.385322 -0.221666 -0.196222 -0.161810 -0.286782 -0.354159 -0.170868 -0.288618 -0.357159
MP3=FULL         -0.193771   -0.211531       -0.207464 -0.173380 -0.298873        
MP4=FULL   -0.134658     -0.198244       -0.400325     -0.178259 -0.307599   -0.187490 -0.309467  
B2PLYP=FULL -0.012755 -0.038474 -0.038474 -0.042018 -0.058035 -0.058213 -0.064389 -0.118284 -0.118534 -0.070625 -0.063514 -0.053415 -0.091854   -0.056302 -0.092401  
Quadratic configuration interaction QCISD(T)=FULL         -0.193939             -0.174965 -0.305022   -0.184274 -0.306928  
Coupled Cluster CCSD=FULL         -0.189298           -0.201058 -0.170242 -0.296075 -0.362173 -0.179216 -0.297847 -0.364946
CCSD(T)=FULL         -0.193933           -0.205759 -0.174789 -0.304779 -0.373359 -0.184090 -0.306683 -0.376219
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