return to home page

Bond Length differences between CCSD(T)=FULL (all electrons correlated) and CCSD(T) (frozen core)

For MgO atoms 1 and 2

For MgO (magnesium oxide)
Bond length differences (full - frozen) in Å
Methods with standard basis sets
6-31G* cc-pVTZ cc-pCVDZ cc-pCVTZ
Coupled Cluster CCSD(T)=FULL -0.0024 -0.0059 -0.0028 -0.0096