Materials Data on K4HgAs2 by Materials Project

Kristin Persson
K4HgAs2 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded to four equivalent As3- atoms to form a mixture of edge and corner-sharing KAs4 tetrahedra. There are one shorter (3.35 Å) and three longer (3.51 Å) K–As bond lengths. In the second K1+ site, K1+ is bonded in a trigonal non-coplanar geometry to three equivalent As3- atoms. All K–As...
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