DOI: 10.17188/1318394
title: Materials Data on Zn3Bi2(PO6)2 by Materials Project

description: Zn3Bi2(PO6)2 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are six inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to five O2- atoms to form distorted ZnO5 trigonal bipyramids that share corners with three PO4 tetrahedra and an edgeedge with one ZnO5 trigonal bipyramid. There are a spread of Zn–O bond distances ranging from 1.99–2.15 Å. In the second Zn2+ site, Zn2+ is bonded to five O2- atoms to form ZnO5 trigonal bipyramids that share corners with three PO4 tetrahedra and corners with two equivalent ZnO5 trigonal bipyramids. There are a spread of Zn–O bond distances ranging from 1.99–2.10 Å. In the third Zn2+ site, Zn2+ is bonded to five O2- atoms to form distorted ZnO5 trigonal bipyramids that share corners with three PO4 tetrahedra and corners with two equivalent ZnO5 trigonal bipyramids. There are a spread of Zn–O bond distances ranging from 1.98–2.30 Å. In the fourth Zn2+ site, Zn2+ is bonded to five O2- atoms to form distorted ZnO5 trigonal bipyramids that share corners with three PO4 tetrahedra, corners with two equivalent ZnO5 trigonal bipyramids, and an edgeedge with one ZnO5 square pyramid. There are a spread of Zn–O bond distances ranging from 2.01–2.19 Å. In the fifth Zn2+ site, Zn2+ is bonded to five O2- atoms to form ZnO5 square pyramids that share corners with three PO4 tetrahedra and an edgeedge with one ZnO5 trigonal bipyramid. There are a spread of Zn–O bond distances ranging from 1.97–2.06 Å. In the sixth Zn2+ site, Zn2+ is bonded to five O2- atoms to form distorted ZnO5 trigonal bipyramids that share corners with three PO4 tetrahedra, corners with two equivalent ZnO5 trigonal bipyramids, and an edgeedge with one ZnO5 trigonal bipyramid. There are a spread of Zn–O bond distances ranging from 2.02–2.11 Å. There are four inequivalent Bi4+ sites. In the first Bi4+ site, Bi4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Bi–O bond distances ranging from 2.19–2.58 Å. In the second Bi4+ site, Bi4+ is bonded in a 5-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.24–2.89 Å. In the third Bi4+ site, Bi4+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.19–2.88 Å. In the fourth Bi4+ site, Bi4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Bi–O bond distances ranging from 2.26–2.78 Å. There are four inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent ZnO5 square pyramids and corners with three ZnO5 trigonal bipyramids. There is two shorter (1.53 Å) and two longer (1.58 Å) P–O bond length. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four ZnO5 trigonal bipyramids. There are a spread of P–O bond distances ranging from 1.53–1.59 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with five ZnO5 trigonal bipyramids. There are a spread of P–O bond distances ranging from 1.52–1.58 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one ZnO5 square pyramid and corners with three ZnO5 trigonal bipyramids. There is three shorter (1.55 Å) and one longer (1.56 Å) P–O bond length. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Zn2+ and two Bi4+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Zn2+ and one P5+ atom. In the third O2- site, O2- is bonded to two Zn2+ and two Bi4+ atoms to form distorted edge-sharing OZn2Bi2 tetrahedra. In the fourth O2- site, O2- is bonded in a distorted linear geometry to one Zn2+, two equivalent Bi4+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Zn2+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Zn2+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Zn2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Zn2+, one Bi4+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to two equivalent Bi4+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Zn2+ and two Bi4+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Zn2+, one Bi4+, and one P5+ atom. In the twelfth O2- site, O2- is bonded to two Zn2+ and two Bi4+ atoms to form distorted edge-sharing OZn2Bi2 tetrahedra. In the thirteenth O2- site, O2- is bonded in a distorted linear geometry to one Zn2+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Bi4+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a distorted linear geometry to one Zn2+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Zn2+, one Bi4+, and one P5+ atom.