Materials Data on K3P by Materials Project
K3P is Sodium arsenide structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a distorted single-bond geometry to four equivalent P3- atoms. There are one shorter (3.33 Å) and three longer (3.74 Å) K–P bond lengths. In the second K1+ site, K1+ is bonded in a trigonal planar geometry to three equivalent P3- atoms. All K–P bond lengths are 3.31 Å. P3- is bonded to eleven K1+ atoms to form a mixture of distorted edge and face-sharing PK11 trigonal bipyramids.