The particular symmetrical dimers are nevertheless proved to be reduced in electricity than the funds dimers with the CASPT2 strategy#links# around the DHDF improved geometries, in conjuction with the prior results employing B3LYP geometries [Y. Jung, Y. Shao, M. Ersus. Gordon, D. T. Doren, and Mirielle. Head-Gordon, L. Chem. Phys. 119, 10917 (2004)]. Curiously, nonetheless, the MRCI + R, MRAQCC,