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

For C3H7OH (1-Propanol)

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) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ daug-cc-pVDZ daug-cc-pVTZ
Moller Plesset perturbation MP2=FULL -0.001495 -0.006800 -0.006800 -0.005076 -0.016862 -0.018234 -0.018667 -0.074502 -0.075606 -0.033010 -0.089128 -0.068366 -0.010214 -0.061814 -0.115440 -0.011791 -0.072151 -0.118123 -0.012107 -0.074345
MP3=FULL         -0.016489                              
B2PLYP=FULL -0.000451 -0.002021 -0.002021 -0.001508 -0.004972 -0.005364 -0.005491 -0.021238 -0.021568 -0.009563 -0.025532 -0.019519 -0.003023 -0.017873   -0.003490 -0.020812   -0.003583 -0.021432
Quadratic configuration interaction QCISD(T)=FULL         -0.016547                              
Coupled Cluster CCSD=FULL         -0.016363         -0.033115 -0.092073 -0.071144 -0.009390 -0.063043   -0.010928 -0.074629      
CCSD(T)=FULL                         -0.009523     -0.033170        
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ daug-cc-pVDZ daug-cc-pVTZ