On the origin of the large electron correlation contribution to the hyperpolarizabilities of some diacetylene rare gas compounds.
Pluta T, Avramopoulos A, Papadopoulos MG, Leszczynski J. On the origin of the large electron correlation contribution to the hyperpolarizabilities of some diacetylene rare gas compounds. J Chem Phys. 2008 Oct 14; 129(14):144308.