Small nickel clusters: Two low-lying Ni-3 statesстатья
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Дата последнего поиска статьи во внешних источниках: 25 декабря 2013 г.
Аннотация:Matrix isolation IR spectroscopy and quantumchemical calculations were jointly used to identify the system of bands related to Ni3clusters. The positions of two lowlying electronic states were determined, and vibrational frequencies and geometry in the ground and excited states were estimated. In all the calculated states, Ni3 had the structure of an isosceles triangle. In the X3B2 ground and a3B1 lower excited states, this was an acuteangled triangle. In the b3B2 and c3B1 excited states, the triangle was obtuseangled.