Materials Data on Si(Hg2Se3)2 by Materials Project

Kristin Persson
Hg4SiSe6 is Chalcostibite-like structured and crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are four inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a 5-coordinate geometry to five Se2- atoms. There are a spread of Hg–Se bond distances ranging from 2.71–3.49 Å. In the second Hg2+ site, Hg2+ is bonded to four Se2- atoms to form HgSe4 tetrahedra that share corners with two equivalent SiSe4 tetrahedra and...
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