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Materials Data on Li7(Mo3Se4)4 by Materials Project

Li7(Mo3Se4)4 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 in a 4-coordinate geometry to five Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.52–3.22 Å. In the second Li1+ site, Li1+ is bonded in a 4-coordinate geometry to five Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.52–3.30 Å. In the third Li1+ site, Li1+ is bonded in a 4-coordinate geometry to five Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.50–3.26 Å. In the fourth Li1+ site, Li1+ is bonded to four Se2- atoms to form distorted LiSe4 trigonal pyramids that share corners with twelve MoSe5 square pyramids and an edgeedge with one MoSe5 square pyramid. There are a spread of Li–Se bond distances ranging from 2.56–2.70 Å. In the fifth Li1+ site, Li1+ is bonded in a 4-coordinate geometry to five Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.50–3.22 Å. In the sixth Li1+ site, Li1+ is bonded in a 4-coordinate geometry to five Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.52–3.24 Å. In the seventh Li1+ site, Li1+ is bonded in a 4-coordinate geometry to five Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.52–3.28 Å. There are twelve inequivalent Mo+2.08+ sites. In the first Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, a cornercorner with one LiSe4 trigonal pyramid, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.60–2.81 Å. In the second Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, a cornercorner with one LiSe4 trigonal pyramid, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.60–2.79 Å. In the third Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, a cornercorner with one LiSe4 trigonal pyramid, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.60–2.79 Å. In the fourth Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form a mixture of edge and corner-sharing MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.59–2.81 Å. In the fifth Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form a mixture of edge and corner-sharing MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.59–2.80 Å. In the sixth Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, corners with two equivalent LiSe4 trigonal pyramids, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.61–2.79 Å. In the seventh Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, a cornercorner with one LiSe4 trigonal pyramid, edges with five MoSe5 square pyramids, and an edgeedge with one LiSe4 trigonal pyramid. There are a spread of Mo–Se bond distances ranging from 2.61–2.78 Å. In the eighth Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, a cornercorner with one LiSe4 trigonal pyramid, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.59–2.79 Å. In the ninth Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form a mixture of edge and corner-sharing MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.58–2.81 Å. In the tenth Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, corners with two equivalent LiSe4 trigonal pyramids, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.61–2.81 Å. In the eleventh Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, corners with two equivalent LiSe4 trigonal pyramids, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.59–2.81 Å. In the twelfth Mo+2.08+ site, Mo+2.08+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, a cornercorner with one LiSe4 trigonal pyramid, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.60–2.78 Å. There are sixteen inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 2-coordinate geometry to two Li1+ and four Mo+2.08+ atoms. In the second Se2- site, Se2- is bonded in a 2-coordinate geometry to two Li1+ and four Mo+2.08+ atoms. In the third Se2- site, Se2- is bonded in a 2-coordinate geometry to two Li1+ and four Mo+2.08+ atoms. In the fourth Se2- site, Se2- is bonded in a 1-coordinate geometry to one Li1+ and three Mo+2.08+ atoms. In the fifth Se2- site, Se2- is bonded in a 1-coordinate geometry to two Li1+ and four Mo+2.08+ atoms. In the sixth Se2- site, Se2- is bonded in a 2-coordinate geometry to two Li1+ and three Mo+2.08+ atoms. In the seventh Se2- site, Se2- is bonded in a 1-coordinate geometry to two Li1+ and four Mo+2.08+ atoms. In the eighth Se2- site, Se2- is bonded in a 2-coordinate geometry to two Li1+ and four Mo+2.08+ atoms. In the ninth Se2- site, Se2- is bonded in a 2-coordinate geometry to two Li1+ and four Mo+2.08+ atoms. In the tenth Se2- site, Se2- is bonded in a 1-coordinate geometry to two Li1+ and four Mo+2.08+ atoms. In the eleventh Se2- site, Se2- is bonded in a 2-coordinate geometry to two Li1+ and three Mo+2.08+ atoms. In the twelfth Se2- site, Se2- is bonded in a 2-coordinate geometry to two Li1+ and four Mo+2.08+ atoms. In the thirteenth Se2- site, Se2- is bonded in a 3-coordinate geometry to three Li1+ and three Mo+2.08+ atoms. In the fourteenth Se2- site, Se2- is bonded in a 2-coordinate geometry to three Li1+ and four Mo+2.08+ atoms. In the fifteenth Se2- site, Se2- is bonded in a 2-coordinate geometry to three Li1+ and four Mo+2.08+ atoms. In the sixteenth Se2- site, Se2- is bonded in a 1-coordinate geometry to two Li1+ and four Mo+2.08+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Li(MoSe)3 by Materials Project

Li(MoSe)3 crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. Li is bonded in a trigonal planar geometry to three equivalent Se atoms. All Li–Se bond lengths are 2.58 Å. Mo is bonded in a distorted see-saw-like geometry to six equivalent Mo and four equivalent Se atoms. There are two shorter (2.67 Å) and four longer (2.74 Å) Mo–Mo bond lengths. There are a spread of Mo–Se bond distances ranging from 2.63–2.72 Å. Se is bonded in a 1-coordinate geometry to one Li and four equivalent Mo atoms.

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Materials Data on Li3Mo15Se19 by Materials Project

Li3Mo15Se19 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 7-coordinate geometry to seven Se2- atoms. There are a spread of Li–Se bond distances ranging from 2.65–3.32 Å. In the second Li1+ site, Li1+ is bonded to six Se2- atoms to form LiSe6 octahedra that share corners with eight MoSe5 square pyramids and edges with four MoSe5 square pyramids. There are a spread of Li–Se bond distances ranging from 2.62–2.82 Å. There are nine inequivalent Mo+2.33+ sites. In the first Mo+2.33+ site, Mo+2.33+ is bonded in a see-saw-like geometry to four Se2- atoms. There are a spread of Mo–Se bond distances ranging from 2.58–2.61 Å. In the second Mo+2.33+ site, Mo+2.33+ is bonded in a see-saw-like geometry to four Se2- atoms. There are one shorter (2.58 Å) and three longer (2.59 Å) Mo–Se bond lengths. In the third Mo+2.33+ site, Mo+2.33+ is bonded in a see-saw-like geometry to four Se2- atoms. There are one shorter (2.60 Å) and three longer (2.61 Å) Mo–Se bond lengths. In the fourth Mo+2.33+ site, Mo+2.33+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share a cornercorner with one LiSe6 octahedra, corners with four MoSe5 square pyramids, and edges with three MoSe5 square pyramids. The corner-sharing octahedral tilt angles are 58°. There are a spread of Mo–Se bond distances ranging from 2.54–2.72 Å. In the fifth Mo+2.33+ site, Mo+2.33+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share a cornercorner with one LiSe6 octahedra, corners with four MoSe5 square pyramids, and edges with three MoSe5 square pyramids. The corner-sharing octahedral tilt angles are 52°. There are a spread of Mo–Se bond distances ranging from 2.55–2.71 Å. In the sixth Mo+2.33+ site, Mo+2.33+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, an edgeedge with one LiSe6 octahedra, and edges with three MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.55–2.71 Å. In the seventh Mo+2.33+ site, Mo+2.33+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share a cornercorner with one LiSe6 octahedra, corners with three MoSe5 square pyramids, and edges with five MoSe5 square pyramids. The corner-sharing octahedral tilt angles are 47°. There are a spread of Mo–Se bond distances ranging from 2.54–2.72 Å. In the eighth Mo+2.33+ site, Mo+2.33+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share a cornercorner with one LiSe6 octahedra, corners with three MoSe5 square pyramids, and edges with five MoSe5 square pyramids. The corner-sharing octahedral tilt angles are 33°. There are a spread of Mo–Se bond distances ranging from 2.57–2.73 Å. In the ninth Mo+2.33+ site, Mo+2.33+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with three MoSe5 square pyramids, an edgeedge with one LiSe6 octahedra, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.55–2.73 Å. There are eleven inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to one Li1+ and four Mo+2.33+ atoms. In the second Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms. In the third Se2- site, Se2- is bonded in a 5-coordinate geometry to one Li1+ and four Mo+2.33+ atoms. In the fourth Se2- site, Se2- is bonded in a 4-coordinate geometry to one Li1+ and three Mo+2.33+ atoms. In the fifth Se2- site, Se2- is bonded in a 5-coordinate geometry to one Li1+ and four Mo+2.33+ atoms. In the sixth Se2- site, Se2- is bonded in a 5-coordinate geometry to one Li1+ and four Mo+2.33+ atoms. In the seventh Se2- site, Se2- is bonded in a 5-coordinate geometry to one Li1+ and four Mo+2.33+ atoms. In the eighth Se2- site, Se2- is bonded in a 5-coordinate geometry to one Li1+ and four Mo+2.33+ atoms. In the ninth Se2- site, Se2- is bonded in a 5-coordinate geometry to one Li1+ and four Mo+2.33+ atoms. In the tenth Se2- site, Se2- is bonded in a 6-coordinate geometry to two Li1+ and four Mo+2.33+ atoms. In the eleventh Se2- site, Se2- is bonded in a 1-coordinate geometry to one Li1+ and three Mo+2.33+ atoms.

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Materials Data on Li(Mo3Se4)2 by Materials Project

Li1Mo6Se8 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Li1+ is bonded in a distorted body-centered cubic geometry to eight Se2- atoms. There are two shorter (2.57 Å) and six longer (3.26 Å) Li–Se bond lengths. Mo+2.50+ is bonded to five Se2- atoms to form a mixture of corner and edge-sharing MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.55–2.69 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to one Li1+ and three equivalent Mo+2.50+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to one Li1+ and four equivalent Mo+2.50+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Li2Mo15Se19 by Materials Project

Li2Mo15Se19 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Li1+ is bonded in a distorted trigonal planar geometry to three equivalent Se2- atoms. All Li–Se bond lengths are 3.12 Å. There are three inequivalent Mo+2.40+ sites. In the first Mo+2.40+ site, Mo+2.40+ is bonded in a see-saw-like geometry to four Se2- atoms. There are two shorter (2.57 Å) and two longer (2.60 Å) Mo–Se bond lengths. In the second Mo+2.40+ site, Mo+2.40+ is bonded to five Se2- atoms to form a mixture of edge and corner-sharing MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.57–2.66 Å. In the third Mo+2.40+ site, Mo+2.40+ is bonded to five Se2- atoms to form a mixture of edge and corner-sharing MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.55–2.73 Å. There are five inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 10-coordinate geometry to three equivalent Mo+2.40+ atoms. In the second Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.40+ atoms. In the third Se2- site, Se2- is bonded in a 6-coordinate geometry to three equivalent Mo+2.40+ atoms. In the fourth Se2- site, Se2- is bonded in a 5-coordinate geometry to one Li1+ and four Mo+2.40+ atoms. In the fifth Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.40+ atoms.

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