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Materials Data on Li6MoN4 by Materials Project

Li6MoN4 crystallizes in the tetragonal P4_2/nmc space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four equivalent N3- atoms to form distorted LiN4 tetrahedra that share corners with two equivalent MoN4 tetrahedra, corners with twelve LiN4 tetrahedra, an edgeedge with one MoN4 tetrahedra, and edges with four LiN4 tetrahedra. There are two shorter (2.07 Å) and two longer (2.17 Å) Li–N bond lengths. In the second Li1+ site, Li1+ is bonded to four equivalent N3- atoms to form LiN4 tetrahedra that share corners with four equivalent MoN4 tetrahedra, corners with eight equivalent LiN4 tetrahedra, and edges with six LiN4 tetrahedra. There are two shorter (2.04 Å) and two longer (2.21 Å) Li–N bond lengths. Mo6+ is bonded to four equivalent N3- atoms to form MoN4 tetrahedra that share corners with sixteen LiN4 tetrahedra and edges with four equivalent LiN4 tetrahedra. All Mo–N bond lengths are 1.89 Å. N3- is bonded to six Li1+ and one Mo6+ atom to form a mixture of distorted edge and corner-sharing NLi6Mo pentagonal bipyramids.

36 MATERIALS SCIENCE↗

Materials Data on LiMoN2 by Materials Project

LiMoN2 is Caswellsilverite-like structured and crystallizes in the trigonal R3m space group. The structure is three-dimensional. Li1+ is bonded to six N3- atoms to form LiN6 octahedra that share corners with nine equivalent MoN6 pentagonal pyramids, edges with six equivalent LiN6 octahedra, edges with three equivalent MoN6 pentagonal pyramids, and a faceface with one MoN6 pentagonal pyramid. There are three shorter (2.15 Å) and three longer (2.27 Å) Li–N bond lengths. Mo5+ is bonded to six N3- atoms to form distorted MoN6 pentagonal pyramids that share corners with nine equivalent LiN6 octahedra, edges with three equivalent LiN6 octahedra, edges with six equivalent MoN6 pentagonal pyramids, and a faceface with one LiN6 octahedra. The corner-sharing octahedra tilt angles range from 2–46°. There are three shorter (2.08 Å) and three longer (2.09 Å) Mo–N bond lengths. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded to three equivalent Li1+ and three equivalent Mo5+ atoms to form a mixture of distorted edge, face, and corner-sharing NLi3Mo3 pentagonal pyramids. The corner-sharing octahedra tilt angles range from 4–48°. In the second N3- site, N3- is bonded to three equivalent Li1+ and three equivalent Mo5+ atoms to form a mixture of edge, face, and corner-sharing NLi3Mo3 octahedra.

36 MATERIALS SCIENCE↗