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DOE OSTI2020

Materials Data on Fe(Mo3Se4)2 by Materials Project

Fe(Mo3Se4)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are six inequivalent Mo+2.17+ sites. In the first Mo+2.17+ site, Mo+2.17+ 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 2.56–2.75 Å. In the second Mo+2.17+ site, Mo+2.17+ 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 2.56–2.66 Å. In the third Mo+2.17+ site, Mo+2.17+ 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 2.56–2.73 Å. In the fourth Mo+2.17+ site, Mo+2.17+ 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 2.59–2.71 Å. In the fifth Mo+2.17+ site, Mo+2.17+ 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 2.58–2.74 Å. In the sixth Mo+2.17+ site, Mo+2.17+ 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 2.55–2.74 Å. Fe3+ is bonded in a 4-coordinate geometry to four Se2- atoms. There are a spread of Fe–Se bond distances ranging from 2.41–2.57 Å. There are eight inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 4-coordinate geometry to three Mo+2.17+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to four Mo+2.17+ and one Fe3+ atom. In the third Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.17+ atoms. In the fourth Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to four Mo+2.17+ atoms. In the fifth Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to four Mo+2.17+ atoms. In the sixth Se2- site, Se2- is bonded in a 1-coordinate geometry to four Mo+2.17+ and one Fe3+ atom. In the seventh Se2- site, Se2- is bonded in a 1-coordinate geometry to three Mo+2.17+ and one Fe3+ atom. In the eighth Se2- site, Se2- is bonded in a 5-coordinate geometry to four Mo+2.17+ and one Fe3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ni(Mo3Se4)2 by Materials Project

Ni(Mo3Se4)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent Mo+2.33+ sites. In the first 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, corners with two equivalent NiSe4 tetrahedra, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.54–2.70 Å. In the second 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, corners with two equivalent NiSe4 tetrahedra, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.54–2.71 Å. In the third 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, corners with two equivalent NiSe4 tetrahedra, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.56–2.69 Å. In the fourth 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, a cornercorner with one NiSe4 tetrahedra, edges with five MoSe5 square pyramids, and a faceface with one NiSe4 tetrahedra. There are a spread of Mo–Se bond distances ranging from 2.54–2.73 Å. In the fifth 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, edges with five MoSe5 square pyramids, and an edgeedge with one NiSe4 tetrahedra. There are a spread of Mo–Se bond distances ranging from 2.53–2.68 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, a cornercorner with one NiSe4 tetrahedra, edges with five MoSe5 square pyramids, and an edgeedge with one NiSe4 tetrahedra. There are a spread of Mo–Se bond distances ranging from 2.56–2.69 Å. Ni2+ is bonded to four Se2- atoms to form NiSe4 tetrahedra that share corners with eight MoSe5 square pyramids, edges with two MoSe5 square pyramids, and a faceface with one MoSe5 square pyramid. There are a spread of Ni–Se bond distances ranging from 2.31–2.48 Å. There are eight inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms. In the second Se2- site, Se2- is bonded in a 1-coordinate geometry to four Mo+2.33+ and one Ni2+ atom. In the third Se2- site, Se2- is bonded in a 5-coordinate geometry to four Mo+2.33+ and one Ni2+ atom. In the fourth Se2- site, Se2- is bonded in a 5-coordinate geometry to four Mo+2.33+ and one Ni2+ atom. In the fifth Se2- site, Se2- is bonded in a 6-coordinate geometry to three Mo+2.33+ atoms. In the sixth Se2- site, Se2- is bonded in a 1-coordinate geometry to three Mo+2.33+ and one Ni2+ atom. In the seventh Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms. In the eighth Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Fe(Mo3Se4)2 by Materials Project

Fe(Mo3Se4)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent Mo+2.17+ sites. In the first Mo+2.17+ site, Mo+2.17+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, a cornercorner with one FeSe4 tetrahedra, edges with five MoSe5 square pyramids, and a faceface with one FeSe4 tetrahedra. There are a spread of Mo–Se bond distances ranging from 2.55–2.73 Å. In the second Mo+2.17+ site, Mo+2.17+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, corners with two equivalent FeSe4 tetrahedra, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.56–2.70 Å. In the third Mo+2.17+ site, Mo+2.17+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, corners with two equivalent FeSe4 tetrahedra, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.57–2.72 Å. In the fourth Mo+2.17+ site, Mo+2.17+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, corners with two equivalent FeSe4 tetrahedra, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.57–2.71 Å. In the fifth Mo+2.17+ site, Mo+2.17+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, a cornercorner with one FeSe4 tetrahedra, edges with five MoSe5 square pyramids, and an edgeedge with one FeSe4 tetrahedra. There are a spread of Mo–Se bond distances ranging from 2.59–2.76 Å. In the sixth Mo+2.17+ site, Mo+2.17+ is bonded to five Se2- atoms to form MoSe5 square pyramids that share corners with four MoSe5 square pyramids, edges with five MoSe5 square pyramids, and an edgeedge with one FeSe4 tetrahedra. There are a spread of Mo–Se bond distances ranging from 2.56–2.75 Å. Fe3+ is bonded to four Se2- atoms to form FeSe4 tetrahedra that share corners with eight MoSe5 square pyramids, edges with two MoSe5 square pyramids, and a faceface with one MoSe5 square pyramid. There are a spread of Fe–Se bond distances ranging from 2.42–2.57 Å. There are eight inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to four Mo+2.17+ atoms. In the second Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to four Mo+2.17+ atoms. In the third Se2- site, Se2- is bonded in a 1-coordinate geometry to four Mo+2.17+ and one Fe3+ atom. In the fourth Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.17+ atoms. In the fifth Se2- site, Se2- is bonded in a 1-coordinate geometry to three Mo+2.17+ and one Fe3+ atom. In the sixth Se2- site, Se2- is bonded in a 6-coordinate geometry to three Mo+2.17+ atoms. In the seventh Se2- site, Se2- is bonded in a 5-coordinate geometry to four Mo+2.17+ and one Fe3+ atom. In the eighth Se2- site, Se2- is bonded in a 5-coordinate geometry to four Mo+2.17+ and one Fe3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mg(Mo3Se4)2 by Materials Project

Mg(Mo3Se4)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Mg2+ is bonded to five Se2- atoms to form distorted MgSe5 trigonal bipyramids that share corners with fourteen MoSe5 square pyramids and edges with two MoSe5 square pyramids. There are a spread of Mg–Se bond distances ranging from 2.59–2.87 Å. There are six inequivalent Mo+2.33+ sites. In the first 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, corners with three equivalent MgSe5 trigonal bipyramids, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.55–2.71 Å. In the second 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, corners with three equivalent MgSe5 trigonal bipyramids, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.56–2.74 Å. In the third 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, corners with three equivalent MgSe5 trigonal bipyramids, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.59–2.71 Å. In the fourth 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, corners with two equivalent MgSe5 trigonal bipyramids, edges with five MoSe5 square pyramids, and an edgeedge with one MgSe5 trigonal bipyramid. There are a spread of Mo–Se bond distances ranging from 2.55–2.76 Å. In the fifth 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, a cornercorner with one MgSe5 trigonal bipyramid, edges with five MoSe5 square pyramids, and an edgeedge with one MgSe5 trigonal bipyramid. There are a spread of Mo–Se bond distances ranging from 2.55–2.70 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, corners with two equivalent MgSe5 trigonal bipyramids, and edges with five MoSe5 square pyramids. There are a spread of Mo–Se bond distances ranging from 2.57–2.74 Å. There are eight inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to one Mg2+ and four Mo+2.33+ atoms. In the third Se2- site, Se2- is bonded in a 5-coordinate geometry to one Mg2+ and four Mo+2.33+ atoms. In the fourth Se2- site, Se2- is bonded in a 1-coordinate geometry to one Mg2+ and three Mo+2.33+ atoms. In the fifth Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to four Mo+2.33+ atoms. In the sixth Se2- site, Se2- is bonded in a 1-coordinate geometry to one Mg2+ and three Mo+2.33+ atoms. In the seventh Se2- site, Se2- is bonded in a 5-coordinate geometry to one Mg2+ and four Mo+2.33+ atoms. In the eighth Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mg(Mo3Se4)2 by Materials Project

Mg(Mo3Se4)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded in a 4-coordinate geometry to five Se2- atoms. There are a spread of Mg–Se bond distances ranging from 2.58–3.36 Å. In the second Mg2+ site, Mg2+ is bonded in a 4-coordinate geometry to five Se2- atoms. There are a spread of Mg–Se bond distances ranging from 2.58–3.37 Å. There are twelve inequivalent Mo+2.33+ sites. In the first Mo+2.33+ site, Mo+2.33+ 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 2.55–2.72 Å. In the second Mo+2.33+ site, Mo+2.33+ 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 2.54–2.72 Å. In the third Mo+2.33+ site, Mo+2.33+ 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 2.55–2.70 Å. In the fourth Mo+2.33+ site, Mo+2.33+ 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 2.57–2.74 Å. In the fifth Mo+2.33+ site, Mo+2.33+ 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 2.57–2.73 Å. In the sixth Mo+2.33+ site, Mo+2.33+ 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. In the seventh Mo+2.33+ site, Mo+2.33+ 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 2.57–2.73 Å. In the eighth Mo+2.33+ site, Mo+2.33+ 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. In the ninth Mo+2.33+ site, Mo+2.33+ 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 2.55–2.72 Å. In the tenth Mo+2.33+ site, Mo+2.33+ 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 2.57–2.73 Å. In the eleventh Mo+2.33+ site, Mo+2.33+ 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 2.56–2.73 Å. In the twelfth Mo+2.33+ site, Mo+2.33+ 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 2.56–2.71 Å. There are sixteen inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 5-coordinate geometry to one Mg2+ 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 4-coordinate geometry to four Mo+2.33+ atoms. In the fourth Se2- site, Se2- is bonded in a 1-coordinate geometry to one Mg2+ and three Mo+2.33+ atoms. In the fifth Se2- site, Se2- is bonded in a 5-coordinate geometry to one Mg2+ and four Mo+2.33+ atoms. In the sixth Se2- site, Se2- is bonded in a 1-coordinate geometry to one Mg2+ and three Mo+2.33+ atoms. In the seventh Se2- site, Se2- is bonded in a 5-coordinate geometry to one Mg2+ and four Mo+2.33+ atoms. In the eighth Se2- site, Se2- is bonded in a 5-coordinate geometry to one Mg2+ and four Mo+2.33+ atoms. In the ninth Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms. In the tenth Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms. In the eleventh Se2- site, Se2- is bonded in a 1-coordinate geometry to one Mg2+ and three Mo+2.33+ atoms. In the twelfth Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms. In the thirteenth Se2- site, Se2- is bonded in a 1-coordinate geometry to one Mg2+ and three Mo+2.33+ atoms. In the fourteenth Se2- site, Se2- is bonded in a 5-coordinate geometry to one Mg2+ and four Mo+2.33+ atoms. In the fifteenth Se2- site, Se2- is bonded in a 5-coordinate geometry to one Mg2+ and four Mo+2.33+ atoms. In the sixteenth Se2- site, Se2- is bonded in a 4-coordinate geometry to four Mo+2.33+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La(Mo3Se4)2 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cd(Mo3Se4)2 by Materials Project

Cd1Mo6Se8 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Mo+2.33+ 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 2.54–2.72 Å. Cd2+ is bonded in a body-centered cubic geometry to eight Se2- atoms. There are two shorter (2.64 Å) and six longer (3.27 Å) Cd–Se bond lengths. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to three equivalent Mo+2.33+ and one Cd2+ atom. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to four equivalent Mo+2.33+ and one Cd2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ag(Mo3Se4)2 by Materials Project

AgMo6Se8 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Mo+2.50+ 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 2.55–2.67 Å. Ag1+ is bonded in a distorted body-centered cubic geometry to eight Se2- atoms. There are two shorter (2.53 Å) and six longer (3.32 Å) Ag–Se bond lengths. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to three equivalent Mo+2.50+ and one Ag1+ atom. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to four equivalent Mo+2.50+ and one Ag1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu(Mo3Se4)2 by Materials Project

EuMo6Se8 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Eu2+ is bonded in a body-centered cubic geometry to eight Se2- atoms. There are two shorter (2.94 Å) and six longer (3.19 Å) Eu–Se bond lengths. Mo+2.33+ 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 2.53–2.79 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to one Eu2+ and three equivalent Mo+2.33+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to one Eu2+ and four equivalent Mo+2.33+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho(Mo3Se4)2 by Materials Project

HoMo6Se8 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Ho3+ is bonded in a body-centered cubic geometry to eight Se2- atoms. There are two shorter (2.81 Å) and six longer (3.10 Å) Ho–Se bond lengths. Mo+2.17+ 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 2.54–2.75 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to one Ho3+ and three equivalent Mo+2.17+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to one Ho3+ and four equivalent Mo+2.17+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er(Mo3Se4)2 by Materials Project

ErMo6Se8 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Er3+ is bonded in a body-centered cubic geometry to eight Se2- atoms. There are two shorter (2.80 Å) and six longer (3.10 Å) Er–Se bond lengths. Mo+2.17+ 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 2.54–2.75 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to one Er3+ and three equivalent Mo+2.17+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to one Er3+ and four equivalent Mo+2.17+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

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↗
DOE OSTI2020

Materials Data on Na(Mo3Se4)2 by Materials Project

Na1Mo6Se8 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Na1+ is bonded in a body-centered cubic geometry to eight Se2- atoms. There are two shorter (2.80 Å) and six longer (3.25 Å) Na–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 2.53–2.74 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to one Na1+ and three equivalent Mo+2.50+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to one Na1+ and four equivalent Mo+2.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Np(Mo3Se4)2 by Materials Project

Np1.0Mo6Se8 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Np3+ is bonded in a body-centered cubic geometry to eight Se2- atoms. There are two shorter (2.85 Å) and six longer (3.09 Å) Np–Se bond lengths. Mo+2.17+ 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 2.53–2.76 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to one Np3+ and three equivalent Mo+2.17+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to one Np3+ and four equivalent Mo+2.17+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

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↗