Materials Data on KSb2 by Materials Project
KSb2 is Magnesium tetraboride-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. K is bonded in a 8-coordinate geometry to eight Sb atoms. There are a spread of K–Sb bond distances ranging from 3.61–3.99 Å. There are two inequivalent Sb sites. In the first Sb site, Sb is bonded in a 6-coordinate geometry to four equivalent K and two equivalent Sb atoms. Both Sb–Sb bond lengths are 2.92 Å. In the second Sb site, Sb is bonded in a 7-coordinate geometry to four equivalent K and three Sb atoms. The Sb–Sb bond length is 2.92 Å.
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