DOE OSTI2020
Li7Y7Zr9S32 is beta indium sulfide-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are seven inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with four YS6 octahedra and corners with eight ZrS6 octahedra. The corner-sharing octahedra tilt angles range from 52–63°. There are a spread of Li–S bond distances ranging from 2.45–2.60 Å. In the second Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with five YS6 octahedra and corners with seven ZrS6 octahedra. The corner-sharing octahedra tilt angles range from 51–62°. There are a spread of Li–S bond distances ranging from 2.44–2.56 Å. In the third Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with five YS6 octahedra and corners with seven ZrS6 octahedra. The corner-sharing octahedra tilt angles range from 51–63°. There are a spread of Li–S bond distances ranging from 2.44–2.56 Å. In the fourth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with six YS6 octahedra and corners with six ZrS6 octahedra. The corner-sharing octahedra tilt angles range from 52–61°. There are a spread of Li–S bond distances ranging from 2.44–2.55 Å. In the fifth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with six YS6 octahedra and corners with six ZrS6 octahedra. The corner-sharing octahedra tilt angles range from 52–61°. There are a spread of Li–S bond distances ranging from 2.43–2.56 Å. In the sixth Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with six YS6 octahedra and corners with six ZrS6 octahedra. The corner-sharing octahedra tilt angles range from 53–61°. There are a spread of Li–S bond distances ranging from 2.43–2.57 Å. In the seventh Li1+ site, Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with six YS6 octahedra and corners with six ZrS6 octahedra. The corner-sharing octahedra tilt angles range from 52–62°. There are a spread of Li–S bond distances ranging from 2.44–2.56 Å. There are seven inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded to six S2- atoms to form YS6 octahedra that share corners with five LiS4 tetrahedra, edges with two equivalent YS6 octahedra, and edges with four ZrS6 octahedra. There are a spread of Y–S bond distances ranging from 2.71–2.76 Å. In the second Y3+ site, Y3+ is bonded to six S2- atoms to form YS6 octahedra that share corners with four LiS4 tetrahedra and edges with six ZrS6 octahedra. There are a spread of Y–S bond distances ranging from 2.72–2.76 Å. In the third Y3+ site, Y3+ is bonded to six S2- atoms to form YS6 octahedra that share corners with five LiS4 tetrahedra, edges with two equivalent YS6 octahedra, and edges with four ZrS6 octahedra. There are a spread of Y–S bond distances ranging from 2.70–2.76 Å. In the fourth Y3+ site, Y3+ is bonded to six S2- atoms to form YS6 octahedra that share corners with six LiS4 tetrahedra, edges with two equivalent YS6 octahedra, and edges with four ZrS6 octahedra. There are a spread of Y–S bond distances ranging from 2.70–2.74 Å. In the fifth Y3+ site, Y3+ is bonded to six S2- atoms to form YS6 octahedra that share corners with six LiS4 tetrahedra, edges with two equivalent YS6 octahedra, and edges with four ZrS6 octahedra. There are a spread of Y–S bond distances ranging from 2.70–2.75 Å. In the sixth Y3+ site, Y3+ is bonded to six S2- atoms to form YS6 octahedra that share corners with six LiS4 tetrahedra, edges with two equivalent YS6 octahedra, and edges with four ZrS6 octahedra. There are a spread of Y–S bond distances ranging from 2.70–2.75 Å. In the seventh Y3+ site, Y3+ is bonded to six S2- atoms to form YS6 octahedra that share corners with six LiS4 tetrahedra, edges with two equivalent YS6 octahedra, and edges with four ZrS6 octahedra. There are a spread of Y–S bond distances ranging from 2.71–2.75 Å. There are nine inequivalent Zr4+ sites. In the first Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with six LiS4 tetrahedra, edges with three YS6 octahedra, and edges with three ZrS6 octahedra. There are a spread of Zr–S bond distances ranging from 2.55–2.62 Å. In the second Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with four LiS4 tetrahedra, edges with two equivalent YS6 octahedra, and edges with four ZrS6 octahedra. There are a spread of Zr–S bond distances ranging from 2.51–2.66 Å. In the third Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with four LiS4 tetrahedra, edges with two equivalent YS6 octahedra, and edges with four ZrS6 octahedra. There are a spread of Zr–S bond distances ranging from 2.51–2.67 Å. In the fourth Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with six LiS4 tetrahedra, edges with two ZrS6 octahedra, and edges with four YS6 octahedra. There are a spread of Zr–S bond distances ranging from 2.55–2.62 Å. In the fifth Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with three equivalent LiS4 tetrahedra, edges with three YS6 octahedra, and edges with three ZrS6 octahedra. There are a spread of Zr–S bond distances ranging from 2.54–2.65 Å. In the sixth Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with five LiS4 tetrahedra, edges with two ZrS6 octahedra, and edges with four YS6 octahedra. There are a spread of Zr–S bond distances ranging from 2.49–2.63 Å. In the seventh Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with six LiS4 tetrahedra, edges with two ZrS6 octahedra, and edges with four YS6 octahedra. There are a spread of Zr–S bond distances ranging from 2.55–2.62 Å. In the eighth Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with six LiS4 tetrahedra, edges with two ZrS6 octahedra, and edges with four YS6 octahedra. There are a spread of Zr–S bond distances ranging from 2.56–2.62 Å. In the ninth Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with six LiS4 tetrahedra, edges with two ZrS6 octahedra, and edges with four YS6 octahedra. There are a spread of Zr–S bond distances ranging from 2.56–2.62 Å. There are thirty-two inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted T-shaped geometry to three Zr4+ atoms. In the second S2- site, S2- is bonded in a distorted T-shaped geometry to one Y3+ and two Zr4+ atoms. In the third S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the fourth S2- site, S2- is bonded in a distorted trigonal pyramidal geometry to one Li1+ and three Zr4+ atoms. In the fifth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the sixth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the seventh S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the eighth S2- site, S2- is bonded in a distorted T-shaped geometry to one Y3+ and two Zr4+ atoms. In the ninth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the tenth S2- site, S2- is bonded in a 3-coordinate geometry to two Y3+ and one Zr4+ atom. In the eleventh S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the twelfth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the thirteenth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the fourteenth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the fifteenth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the sixteenth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the seventeenth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the eighteenth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the nineteenth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the twentieth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the twenty-first S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the twenty-second S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the twenty-third S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the twenty-fourth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the twenty-fifth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the twenty-sixth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the twenty-seventh S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the twenty-eighth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the twenty-ninth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the thirtieth S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Y3+, and one Zr4+ atom. In the thirty-first S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms. In the thirty-second S2- site, S2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Y3+, and two Zr4+ atoms.