DOI: 10.17188/1655542
title: Materials Data on Li4Zn(PO4)2 by Materials Project

description: Li4Zn(PO4)2 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are eight inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two LiO4 tetrahedra, corners with two ZnO4 tetrahedra, and corners with four PO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.95–1.99 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two ZnO4 tetrahedra, corners with four LiO4 tetrahedra, and corners with four PO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.96–2.00 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four LiO4 tetrahedra, corners with four PO4 tetrahedra, and an edgeedge with one LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.97–2.05 Å. In the fourth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four PO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.98–2.07 Å. In the fifth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two LiO4 tetrahedra, corners with two ZnO4 tetrahedra, corners with four PO4 tetrahedra, and an edgeedge with one LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.95–2.06 Å. In the sixth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two LiO4 tetrahedra, corners with two ZnO4 tetrahedra, and corners with four PO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.97–2.07 Å. In the seventh Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.00–2.69 Å. In the eighth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four LiO4 tetrahedra, corners with four PO4 tetrahedra, and edges with two LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.98–2.07 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with four LiO4 tetrahedra and corners with four PO4 tetrahedra. There are a spread of Zn–O bond distances ranging from 1.97–1.99 Å. In the second Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with four LiO4 tetrahedra and corners with four PO4 tetrahedra. There is two shorter (1.97 Å) and two longer (1.98 Å) Zn–O bond length. 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 ZnO4 tetrahedra and corners with seven LiO4 tetrahedra. There is two shorter (1.55 Å) and two longer (1.56 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 two ZnO4 tetrahedra and corners with seven LiO4 tetrahedra. There is one shorter (1.55 Å) and three longer (1.56 Å) P–O bond length. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two ZnO4 tetrahedra and corners with seven LiO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two ZnO4 tetrahedra and corners with seven LiO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Zn2+, and one P5+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Zn2+, and one P5+ atom. In the third O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Zn2+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+, one Zn2+, and one P5+ atom. In the fifth O2- site, O2- is bonded to three Li1+ and one P5+ atom to form a mixture of distorted edge and corner-sharing OLi3P trigonal pyramids. In the sixth O2- site, O2- is bonded to three Li1+ and one P5+ atom to form a mixture of distorted edge and corner-sharing OLi3P trigonal pyramids. In the seventh O2- site, O2- is bonded to three Li1+ and one P5+ atom to form corner-sharing OLi3P tetrahedra. In the eighth O2- site, O2- is bonded to three Li1+ and one P5+ atom to form corner-sharing OLi3P tetrahedra. In the ninth O2- site, O2- is bonded to three Li1+ and one P5+ atom to form a mixture of edge and corner-sharing OLi3P tetrahedra. In the tenth O2- site, O2- is bonded to three Li1+ and one P5+ atom to form a mixture of distorted edge and corner-sharing OLi3P tetrahedra. In the eleventh O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Zn2+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Zn2+, and one P5+ atom. In the thirteenth O2- site, O2- is bonded to three Li1+ and one P5+ atom to form a mixture of edge and corner-sharing OLi3P tetrahedra. In the fourteenth O2- site, O2- is bonded to three Li1+ and one P5+ atom to form a mixture of edge and corner-sharing OLi3P tetrahedra. In the fifteenth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Zn2+, and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Zn2+, and one P5+ atom.