Materials Data on K2PtC2 by Materials Project
K2PtC2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. K1+ is bonded in a 6-coordinate geometry to three equivalent Pt2- and three equivalent C atoms. All K–Pt bond lengths are 3.32 Å. All K–C bond lengths are 3.04 Å. Pt2- is bonded in a distorted linear geometry to six equivalent K1+ and two equivalent C atoms. Both Pt–C bond lengths are 1.98 Å. C is bonded in a linear geometry to three equivalent K1+, one Pt2-, and one C atom. The C–C bond length is 1.28 Å.
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