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

For CF (Fluoromethylidyne)

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 cc-pV(T+d)Z cc-pCVDZ cc-pCVTZ aug-cc-pCVTZ Sadlej_pVTZ daug-cc-pVDZ daug-cc-pVTZ
Moller Plesset perturbation MP2=FULL -0.000261 -0.003351 -0.003351 -0.002196 -0.006247 -0.006247 -0.006781 -0.036475 -0.036475 -0.009801 -0.043510 -0.033147 -0.003755 -0.023428 -0.056685 -0.004384 -0.026823 -0.057467   -0.071810 -0.101407 -0.101516 -0.028553 -0.004585 -0.029361
MP3=FULL         -0.006006   -0.018167       -0.044745 -0.034256 -0.003457 -0.023437             -0.104477 -0.104594 -0.029806    
MP4=FULL   -0.003118     -0.006022       -0.037385   -0.044828   -0.003432 -0.023408   -0.004050 -0.026997       -0.104857 -0.104938 -0.029903    
B2PLYP=FULL -0.000079 -0.000985 -0.000986 -0.000646 -0.001836 -0.001836 -0.001990 -0.010313 -0.010313 -0.002842 -0.012348 -0.009384 -0.001097 -0.006757   -0.001284 -0.007712       -0.028544 -0.028577 -0.008045 -0.001343 -0.008425
Quadratic configuration interaction QCISD(T)=FULL         -0.005962           -0.044769   -0.003387 -0.023352   -0.004001 -0.026955       -0.104748 -0.104836 -0.029839 -0.004192 -0.029696
QCISD(TQ)=FULL         -0.005964   -0.006494       -0.044790   -0.003385 -0.023378 -0.058492 -0.004002 -0.027005 -0.059301              
Coupled Cluster CCSD=FULL         -0.005888         -0.009399 -0.044399 -0.034114 -0.003341 -0.023123 -0.057962 -0.003950 -0.026758 -0.058768     -0.104078 -0.104163 -0.029728 -0.004140 -0.029503
CCSD(T)=FULL         -0.005965           -0.044770 -0.034292 -0.003388 -0.023362 -0.058469 -0.004003 -0.026975 -0.059275 -0.023362 -0.074982 -0.104747 -0.104838 -0.029841 -0.004195 -0.029719
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 cc-pV(T+d)Z cc-pCVDZ cc-pCVTZ aug-cc-pCVTZ Sadlej_pVTZ daug-cc-pVDZ daug-cc-pVTZ