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You are here: Calculated > Energy > Correlation > Full vs Frozen core energies

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

For AsH2 (Arsenic dihydride)

Energies in Hartree
Methods with standard basis sets
6-31G* 6-31+G** aug-cc-pVTZ
Moller Plesset perturbation MP2=FULL     -0.059853
MP3=FULL -0.032358 -0.048056  
6-31G* 6-31+G** aug-cc-pVTZ