Tzeli D., J. Mato, and S.S. Xantheas. 2025.The Many-Body Expansion for Metals: II. Nonadditive terms in clusters comprised of metals with ns1, ns2 and ns2p1 configurations.Journal of Physical Chemistry A 129, no. 16:3648–3662.PNNL-SA-207845.doi:10.1021/acs.jpca.5c01066