DOE OSTI2020
Li4Zn(PS4)2 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are sixteen inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two ZnS4 tetrahedra, corners with three LiS4 tetrahedra, and corners with four PS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.41–2.54 Å. In the second Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two ZnS4 tetrahedra, corners with four PS4 tetrahedra, and corners with five LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.42–2.47 Å. In the third Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two equivalent ZnS4 tetrahedra, corners with four LiS4 tetrahedra, and corners with four PS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.40–2.48 Å. In the fourth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two equivalent ZnS4 tetrahedra, corners with four LiS4 tetrahedra, and corners with four PS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.42–2.47 Å. In the fifth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two ZnS4 tetrahedra, corners with four LiS4 tetrahedra, and corners with four PS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.40–2.45 Å. In the sixth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two ZnS4 tetrahedra, corners with four LiS4 tetrahedra, and corners with four PS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.41–2.48 Å. In the seventh Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with four PS4 tetrahedra and corners with seven LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.41–2.46 Å. In the eighth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with four PS4 tetrahedra and corners with six LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.42–2.54 Å. In the ninth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with four PS4 tetrahedra and corners with six LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.42–2.52 Å. In the tenth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with four PS4 tetrahedra and corners with seven LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.41–2.48 Å. In the eleventh Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two equivalent ZnS4 tetrahedra, corners with three LiS4 tetrahedra, and corners with four PS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.44–2.48 Å. In the twelfth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two equivalent ZnS4 tetrahedra, corners with four PS4 tetrahedra, and corners with five LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.42–2.48 Å. In the thirteenth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share a cornercorner with one ZnS4 tetrahedra, corners with four PS4 tetrahedra, and corners with seven LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.46–2.61 Å. In the fourteenth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two ZnS4 tetrahedra, corners with four PS4 tetrahedra, and corners with six LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.46–2.57 Å. In the fifteenth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with two ZnS4 tetrahedra, corners with four PS4 tetrahedra, and corners with six LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.46–2.57 Å. In the sixteenth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share a cornercorner with one ZnS4 tetrahedra, corners with four PS4 tetrahedra, and corners with seven LiS4 tetrahedra. There are a spread of Li–S bond distances ranging from 2.43–2.60 Å. There are four inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four S2- atoms to form ZnS4 tetrahedra that share corners with four PS4 tetrahedra and corners with five LiS4 tetrahedra. There are a spread of Zn–S bond distances ranging from 2.35–2.41 Å. In the second Zn2+ site, Zn2+ is bonded to four S2- atoms to form ZnS4 tetrahedra that share corners with four PS4 tetrahedra and corners with six LiS4 tetrahedra. There are three shorter (2.36 Å) and one longer (2.37 Å) Zn–S bond lengths. In the third Zn2+ site, Zn2+ is bonded to four S2- atoms to form ZnS4 tetrahedra that share corners with four PS4 tetrahedra and corners with six LiS4 tetrahedra. There are three shorter (2.36 Å) and one longer (2.37 Å) Zn–S bond lengths. In the fourth Zn2+ site, Zn2+ is bonded to four S2- atoms to form ZnS4 tetrahedra that share corners with four PS4 tetrahedra and corners with five LiS4 tetrahedra. There are a spread of Zn–S bond distances ranging from 2.35–2.39 Å. There are eight inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four S2- atoms to form PS4 tetrahedra that share corners with two ZnS4 tetrahedra and corners with eight LiS4 tetrahedra. There are a spread of P–S bond distances ranging from 2.02–2.12 Å. In the second P5+ site, P5+ is bonded to four S2- atoms to form PS4 tetrahedra that share corners with two ZnS4 tetrahedra and corners with eight LiS4 tetrahedra. There are a spread of P–S bond distances ranging from 2.01–2.11 Å. In the third P5+ site, P5+ is bonded to four S2- atoms to form PS4 tetrahedra that share corners with two ZnS4 tetrahedra and corners with eight LiS4 tetrahedra. There are a spread of P–S bond distances ranging from 2.01–2.11 Å. In the fourth P5+ site, P5+ is bonded to four S2- atoms to form PS4 tetrahedra that share corners with two equivalent ZnS4 tetrahedra and corners with eight LiS4 tetrahedra. There are a spread of P–S bond distances ranging from 2.02–2.12 Å. In the fifth P5+ site, P5+ is bonded to four S2- atoms to form PS4 tetrahedra that share corners with two ZnS4 tetrahedra and corners with eight LiS4 tetrahedra. There are a spread of P–S bond distances ranging from 2.05–2.07 Å. In the sixth P5+ site, P5+ is bonded to four S2- atoms to form PS4 tetrahedra that share corners with two ZnS4 tetrahedra and corners with eight LiS4 tetrahedra. There are a spread of P–S bond distances ranging from 2.05–2.07 Å. In the seventh P5+ site, P5+ is bonded to four S2- atoms to form PS4 tetrahedra that share corners with two ZnS4 tetrahedra and corners with eight LiS4 tetrahedra. There are a spread of P–S bond distances ranging from 2.01–2.12 Å. In the eighth P5+ site, P5+ is bonded to four S2- atoms to form PS4 tetrahedra that share corners with two equivalent ZnS4 tetrahedra and corners with eight LiS4 tetrahedra. There are a spread of P–S bond distances ranging from 2.02–2.11 Å. There are thirty-two inequivalent S2- sites. In the first S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom. In the second S2- site, S2- is bonded to three Li1+ and one P5+ atom to form corner-sharing SLi3P tetrahedra. In the third S2- site, S2- is bonded to three Li1+ and one P5+ atom to form corner-sharing SLi3P tetrahedra. In the fourth S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom. In the fifth S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom. In the sixth S2- site, S2- is bonded to three Li1+ and one P5+ atom to form corner-sharing SLi3P tetrahedra. In the seventh S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom. In the eighth S2- site, S2- is bonded to three Li1+ and one P5+ atom to form SLi3P tetrahedra that share corners with six SLi2ZnP tetrahedra and corners with two equivalent SLi3P trigonal pyramids. In the ninth S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom. In the tenth S2- site, S2- is bonded to three Li1+ and one P5+ atom to form SLi3P tetrahedra that share corners with four SLi2ZnP tetrahedra and a cornercorner with one SLi3P trigonal pyramid. In the eleventh S2- site, S2- is bonded to three Li1+ and one P5+ atom to form corner-sharing SLi3P tetrahedra. In the twelfth S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom. In the thirteenth S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom. In the fourteenth S2- site, S2- is bonded to three Li1+ and one P5+ atom to form corner-sharing SLi3P tetrahedra. In the fifteenth S2- site, S2- is bonded in a trigonal non-coplanar geometry to two Li1+ and one P5+ atom. In the sixteenth S2- site, S2- is bonded to two Li1+, one Zn2+, and one P5+ atom to form corner-sharing SLi2ZnP tetrahedra. In the seventeenth S2- site, S2- is bonded to two Li1+, one Zn2+, and one P5+ atom to form corner-sharing SLi2ZnP tetrahedra. In the eighteenth S2- site, S2- is bonded in a trigonal planar geometry to two Li1+ and one P5+ atom. In the nineteenth S2- site, S2- is bonded in a trigonal planar geometry to two Li1+ and one P5+ atom. In the twentieth S2- site, S2- is bonded to two Li1+, one Zn2+, and one P5+ atom to form corner-sharing SLi2ZnP tetrahedra. In the twenty-first S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom. In the twenty-second S2- site, S2- is bonded to three Li1+ and one P5+ atom to form corner-sharing SLi3P tetrahedra. In the twenty-third S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom. In the twenty-fourth S2- site, S2- is bonded to three Li1+ and one P5+ atom to form corner-sharing SLi3P trigonal pyramids. In the twenty-fifth S2- site, S2- is bonded to two Li1+, one Zn2+, and one P5+ atom to form corner-sharing SLi2ZnP tetrahedra. In the twenty-sixth S2- site, S2- is bonded in a trigonal non-coplanar geometry to two Li1+ and one P5+ atom. In the twenty-seventh S2- site, S2- is bonded in a trigonal non-coplanar geometry to two Li1+ and one P5+ atom. In the twenty-eighth S2- site, S2- is bonded to two Li1+, one Zn2+, and one P5+ atom to form corner-sharing SLi2ZnP tetrahedra. In the twenty-ninth S2- site, S2- is bonded to two Li1+, one Zn2+, and one P5+ atom to form corner-sharing SLi2ZnP tetrahedra. In the thirtieth S2- site, S2- is bonded in a trigonal non-coplanar geometry to two Li1+ and one P5+ atom. In the thirty-first S2- site, S2- is bonded to three Li1+ and one P5+ atom to form SLi3P tetrahedra that share corners with five SLi2ZnP tetrahedra and a cornercorner with one SLi3P trigonal pyramid. In the thirty-second S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Zn2+, and one P5+ atom.