DOI: 10.17188/1287344
title: Materials Data on Li10Si(PSe6)2 by Materials Project

description: Li10Si(PSe6)2 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twenty inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.61–2.84 Å. In the second Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.66–3.30 Å. In the third Li1+ site, Li1+ is bonded to six Se2- atoms to form distorted LiSe6 octahedra that share a cornercorner with one LiSe6 octahedra, corners with two equivalent PSe4 tetrahedra, corners with three LiSe4 tetrahedra, corners with two equivalent LiSe5 trigonal bipyramids, an edgeedge with one SiSe4 tetrahedra, an edgeedge with one PSe4 tetrahedra, and edges with two LiSe4 tetrahedra. The corner-sharing octahedral tilt angles are 53°. There are a spread of Li–Se bond distances ranging from 2.67–3.19 Å. In the fourth Li1+ site, Li1+ is bonded to six Se2- atoms to form LiSe6 octahedra that share corners with two equivalent PSe4 tetrahedra, corners with four LiSe4 tetrahedra, an edgeedge with one LiSe6 octahedra, an edgeedge with one SiSe4 tetrahedra, an edgeedge with one PSe4 tetrahedra, edges with four LiSe4 tetrahedra, and an edgeedge with one LiSe5 trigonal bipyramid. There are a spread of Li–Se bond distances ranging from 2.66–3.02 Å. In the fifth Li1+ site, Li1+ is bonded to four Se2- atoms to form LiSe4 tetrahedra that share corners with two equivalent LiSe6 octahedra, corners with two equivalent LiSe4 tetrahedra, corners with two PSe4 tetrahedra, an edgeedge with one LiSe6 octahedra, an edgeedge with one LiSe4 tetrahedra, an edgeedge with one SiSe4 tetrahedra, and an edgeedge with one LiSe5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 18–61°. There are a spread of Li–Se bond distances ranging from 2.47–2.61 Å. In the sixth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.65–3.34 Å. In the seventh Li1+ site, Li1+ is bonded to four Se2- atoms to form distorted LiSe4 tetrahedra that share a cornercorner with one LiSe6 octahedra, corners with two LiSe4 tetrahedra, corners with two PSe4 tetrahedra, corners with two LiSe5 trigonal bipyramids, an edgeedge with one LiSe6 octahedra, and an edgeedge with one SiSe4 tetrahedra. The corner-sharing octahedral tilt angles are 45°. There are a spread of Li–Se bond distances ranging from 2.55–2.62 Å. In the eighth Li1+ site, Li1+ is bonded to six Se2- atoms to form LiSe6 octahedra that share a cornercorner with one LiSe6 octahedra, corners with two PSe4 tetrahedra, corners with six LiSe4 tetrahedra, an edgeedge with one LiSe6 octahedra, an edgeedge with one LiSe4 tetrahedra, an edgeedge with one SiSe4 tetrahedra, and an edgeedge with one PSe4 tetrahedra. The corner-sharing octahedral tilt angles are 53°. There are a spread of Li–Se bond distances ranging from 2.67–3.21 Å. In the ninth Li1+ site, Li1+ is bonded to four Se2- atoms to form LiSe4 tetrahedra that share corners with two LiSe6 octahedra, a cornercorner with one SiSe4 tetrahedra, a cornercorner with one PSe4 tetrahedra, corners with two equivalent LiSe4 tetrahedra, an edgeedge with one LiSe4 tetrahedra, and an edgeedge with one PSe4 tetrahedra. The corner-sharing octahedra tilt angles range from 46–71°. There are a spread of Li–Se bond distances ranging from 2.50–2.64 Å. In the tenth Li1+ site, Li1+ is bonded to five Se2- atoms to form LiSe5 trigonal bipyramids that share corners with two equivalent LiSe6 octahedra, a cornercorner with one PSe4 tetrahedra, corners with two equivalent SiSe4 tetrahedra, corners with three LiSe4 tetrahedra, a cornercorner with one LiSe5 trigonal bipyramid, an edgeedge with one PSe4 tetrahedra, and edges with two LiSe4 tetrahedra. The corner-sharing octahedra tilt angles range from 40–43°. There are a spread of Li–Se bond distances ranging from 2.56–3.05 Å. In the eleventh Li1+ site, Li1+ is bonded to four Se2- atoms to form LiSe4 tetrahedra that share corners with four LiSe6 octahedra, a cornercorner with one SiSe4 tetrahedra, a cornercorner with one PSe4 tetrahedra, corners with two equivalent LiSe4 tetrahedra, an edgeedge with one LiSe4 tetrahedra, and an edgeedge with one PSe4 tetrahedra. The corner-sharing octahedra tilt angles range from 17–68°. There are a spread of Li–Se bond distances ranging from 2.49–2.74 Å. In the twelfth Li1+ site, Li1+ is bonded to four Se2- atoms to form distorted LiSe4 tetrahedra that share corners with two LiSe6 octahedra, corners with two PSe4 tetrahedra, corners with four LiSe4 tetrahedra, a cornercorner with one LiSe5 trigonal bipyramid, an edgeedge with one SiSe4 tetrahedra, and an edgeedge with one LiSe5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 51–73°. There are a spread of Li–Se bond distances ranging from 2.60–2.80 Å. In the thirteenth Li1+ site, Li1+ is bonded to four Se2- atoms to form LiSe4 tetrahedra that share corners with two SiSe4 tetrahedra, corners with three LiSe4 tetrahedra, corners with three LiSe5 trigonal bipyramids, edges with two LiSe6 octahedra, and an edgeedge with one PSe4 tetrahedra. There are a spread of Li–Se bond distances ranging from 2.58–2.70 Å. In the fourteenth Li1+ site, Li1+ is bonded to four Se2- atoms to form LiSe4 tetrahedra that share corners with two equivalent LiSe4 tetrahedra, corners with two PSe4 tetrahedra, corners with two equivalent LiSe5 trigonal bipyramids, an edgeedge with one LiSe6 octahedra, an edgeedge with one LiSe4 tetrahedra, and an edgeedge with one SiSe4 tetrahedra. There are a spread of Li–Se bond distances ranging from 2.54–2.70 Å. In the fifteenth Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.50–2.62 Å. In the sixteenth Li1+ site, Li1+ is bonded to five Se2- atoms to form distorted LiSe5 trigonal bipyramids that share a cornercorner with one PSe4 tetrahedra, corners with two SiSe4 tetrahedra, corners with seven LiSe4 tetrahedra, a cornercorner with one LiSe5 trigonal bipyramid, an edgeedge with one LiSe6 octahedra, an edgeedge with one LiSe4 tetrahedra, and an edgeedge with one PSe4 tetrahedra. There are a spread of Li–Se bond distances ranging from 2.61–3.05 Å. In the seventeenth Li1+ site, Li1+ is bonded to four Se2- atoms to form LiSe4 tetrahedra that share corners with two equivalent LiSe6 octahedra, corners with two SiSe4 tetrahedra, corners with four LiSe4 tetrahedra, a cornercorner with one LiSe5 trigonal bipyramid, an edgeedge with one LiSe6 octahedra, and an edgeedge with one PSe4 tetrahedra. The corner-sharing octahedral tilt angles are 24°. There are a spread of Li–Se bond distances ranging from 2.60–2.71 Å. In the eighteenth Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.55–2.77 Å. In the nineteenth Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.54–3.12 Å. In the twentieth Li1+ site, Li1+ is bonded to four Se2- atoms to form distorted LiSe4 tetrahedra that share a cornercorner with one SiSe4 tetrahedra, a cornercorner with one PSe4 tetrahedra, corners with three LiSe4 tetrahedra, a cornercorner with one LiSe5 trigonal bipyramid, an edgeedge with one LiSe6 octahedra, an edgeedge with one PSe4 tetrahedra, and an edgeedge with one LiSe5 trigonal bipyramid. There are a spread of Li–Se bond distances ranging from 2.61–2.71 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four Se2- atoms to form SiSe4 tetrahedra that share corners with four LiSe4 tetrahedra, a cornercorner with one LiSe5 trigonal bipyramid, an edgeedge with one LiSe6 octahedra, and edges with two LiSe4 tetrahedra. There are a spread of Si–Se bond distances ranging from 2.30–2.32 Å. In the second Si4+ site, Si4+ is bonded to four Se2- atoms to form SiSe4 tetrahedra that share corners with three LiSe4 tetrahedra, corners with three LiSe5 trigonal bipyramids, edges with two LiSe6 octahedra, and edges with two LiSe4 tetrahedra. There are a spread of Si–Se bond distances ranging from 2.28–2.33 Å. There are four inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four Se2- atoms to form PSe4 tetrahedra that share corners with three LiSe6 octahedra and corners with four LiSe4 tetrahedra. The corner-sharing octahedra tilt angles range from 46–55°. There are a spread of P–Se bond distances ranging from 2.21–2.25 Å. In the second P5+ site, P5+ is bonded to four Se2- atoms to form PSe4 tetrahedra that share corners with three LiSe6 octahedra, corners with three LiSe4 tetrahedra, edges with two LiSe4 tetrahedra, and edges with two LiSe5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 29–58°. There are a spread of P–Se bond distances ranging from 2.22–2.25 Å. In the third P5+ site, P5+ is bonded to four Se2- atoms to form PSe4 tetrahedra that share corners with two LiSe4 tetrahedra, corners with two LiSe5 trigonal bipyramids, and an edgeedge with one LiSe4 tetrahedra. There are a spread of P–Se bond distances ranging from 2.23–2.25 Å. In the fourth P5+ site, P5+ is bonded to four Se2- atoms to form PSe4 tetrahedra that share corners with two LiSe4 tetrahedra, edges with three LiSe6 octahedra, and edges with two LiSe4 tetrahedra. There are a spread of P–Se bond distances ranging from 2.23–2.25 Å. There are twenty-four inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 5-coordinate geometry to four Li1+ and one P5+ atom. In the second Se2- site, Se2- is bonded to four Li1+ and one P5+ atom to form distorted SeLi4P square pyramids that share a cornercorner with one SeLi4P square pyramid, corners with two SeLi4P trigonal bipyramids, a cornercorner with one SeLi3P trigonal pyramid, and edges with three SeLi4P trigonal bipyramids. In the third Se2- site, Se2- is bonded in a 5-coordinate geometry to four Li1+ and one P5+ atom. In the fourth Se2- site, Se2- is bonded in a 5-coordinate geometry to four Li1+ and one P5+ atom. In the fifth Se2- site, Se2- is bonded in a 6-coordinate geometry to five Li1+ and one P5+ atom. In the sixth Se2- site, Se2- is bonded in a 5-coordinate geometry to four Li1+ and one P5+ atom. In the seventh Se2- site, Se2- is bonded to four Li1+ and one P5+ atom to form distorted SeLi4P trigonal bipyramids that share corners with two SeLi3P trigonal pyramids, an edgeedge with one SeLi4P square pyramid, and edges with two SeLi4P trigonal bipyramids. In the eighth Se2- site, Se2- is bonded in a distorted see-saw-like geometry to three Li1+ and one P5+ atom. In the ninth Se2- site, Se2- is bonded in a 5-coordinate geometry to four Li1+ and one Si4+ atom. In the tenth Se2- site, Se2- is bonded in a 6-coordinate geometry to five Li1+ and one Si4+ atom. In the eleventh Se2- site, Se2- is bonded in a 5-coordinate geometry to four Li1+ and one P5+ atom. In the twelfth Se2- site, Se2- is bonded to three Li1+ and one P5+ atom to form SeLi3P trigonal pyramids that share a cornercorner with one SeLi4P square pyramid, corners with two SeLi4Si trigonal bipyramids, and an edgeedge with one SeLi3P trigonal pyramid. In the thirteenth Se2- site, Se2- is bonded to four Li1+ and one P5+ atom to form distorted SeLi4P trigonal bipyramids that share a cornercorner with one SeLi4P square pyramid, corners with two SeLi4Si trigonal bipyramids, edges with two SeLi4P square pyramids, edges with two SeLi4P trigonal bipyramids, and an edgeedge with one SeLi3P trigonal pyramid. In the fourteenth Se2- site, Se2- is bonded to three Li1+ and one P5+ atom to form a mixture of edge and corner-sharing SeLi3P trigonal pyramids. In the fifteenth Se2- site, Se2- is bonded in a 5-coordinate