Materials Data on K2PtSe2 by Materials Project
K2PtSe2 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. K1+ is bonded in a 6-coordinate geometry to six equivalent Se2- atoms. There are two shorter (3.39 Å) and four longer (3.45 Å) K–Se bond lengths. Pt2+ is bonded in a square co-planar geometry to four equivalent Se2- atoms. All Pt–Se bond lengths are 2.51 Å. Se2- is bonded in a 8-coordinate geometry to six equivalent K1+ and two equivalent Pt2+ atoms.
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