Materials Data on KAuSe2 by Materials Project
KAuSe2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. K1+ is bonded in a body-centered cubic geometry to eight equivalent Se2- atoms. All K–Se bond lengths are 3.55 Å. Au3+ is bonded in a square co-planar geometry to four equivalent Se2- atoms. All Au–Se bond lengths are 2.52 Å. Se2- is bonded in a 6-coordinate geometry to four equivalent K1+ and two equivalent Au3+ atoms.
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