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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on LiMgCr3(SO4)6 by Materials Project

LiMgCr3(SO4)6 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.97–2.15 Å. Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six SO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.03–2.12 Å. There are three inequivalent Cr+5.67+ sites. In the first Cr+5.67+ site, Cr+5.67+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six SO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.97–2.06 Å. In the second Cr+5.67+ site, Cr+5.67+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six SO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 2.01–2.03 Å. In the third Cr+5.67+ site, Cr+5.67+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six SO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.99–2.06 Å. There are six inequivalent S+4.67+ sites. In the first S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four CrO6 octahedra. The corner-sharing octahedra tilt angles range from 27–43°. There is three shorter (1.48 Å) and one longer (1.49 Å) S–O bond length. In the second S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 27–45°. There are a spread of S–O bond distances ranging from 1.45–1.52 Å. In the third S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 26–45°. There are a spread of S–O bond distances ranging from 1.46–1.50 Å. In the fourth S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with two equivalent MgO6 octahedra and corners with two CrO6 octahedra. The corner-sharing octahedra tilt angles range from 26–45°. There are a spread of S–O bond distances ranging from 1.46–1.54 Å. In the fifth S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 27–47°. There are a spread of S–O bond distances ranging from 1.47–1.49 Å. In the sixth S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 24–44°. There are a spread of S–O bond distances ranging from 1.46–1.53 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one S+4.67+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Cr+5.67+, and one S+4.67+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one S+4.67+ atom. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the twelfth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the thirteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the fourteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one S+4.67+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Cr+5.67+, and one S+4.67+ atom. In the sixteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Mg2+ and one S+4.67+ atom. In the seventeenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the eighteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Mg2+, and one S+4.67+ atom. In the nineteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the twentieth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one S+4.67+ atom. In the twenty-first O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the twenty-second O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the twenty-third O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+, one Cr+5.67+, and one S+4.67+ atom. In the twenty-fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiMgCr3(SO4)6 by Materials Project

LiMgCr3(SO4)6 crystallizes in the triclinic P1 space group. The structure is three-dimensional. Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.01–2.09 Å. Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six SO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.02–2.13 Å. There are three inequivalent Cr+5.67+ sites. In the first Cr+5.67+ site, Cr+5.67+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six SO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.98–2.06 Å. In the second Cr+5.67+ site, Cr+5.67+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six SO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.98–2.01 Å. In the third Cr+5.67+ site, Cr+5.67+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six SO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 2.01–2.06 Å. There are six inequivalent S+4.67+ sites. In the first S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 27–44°. There is three shorter (1.48 Å) and one longer (1.49 Å) S–O bond length. In the second S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 31–43°. There is one shorter (1.46 Å) and three longer (1.49 Å) S–O bond length. In the third S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 30–44°. There is one shorter (1.46 Å) and three longer (1.49 Å) S–O bond length. In the fourth S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 29–45°. There are a spread of S–O bond distances ranging from 1.46–1.52 Å. In the fifth S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 27–45°. There are a spread of S–O bond distances ranging from 1.45–1.53 Å. In the sixth S+4.67+ site, S+4.67+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three CrO6 octahedra. The corner-sharing octahedra tilt angles range from 25–43°. There is three shorter (1.48 Å) and one longer (1.49 Å) S–O bond length. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Mg2+, and one S+4.67+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one S+4.67+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one S+4.67+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Cr+5.67+ and one S+4.67+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Cr+5.67+, and one S+4.67+ atom. In the sixteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one S+4.67+ atom. In the seventeenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the eighteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the nineteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one S+4.67+ atom. In the twentieth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Cr+5.67+, and one S+4.67+ atom. In the twenty-first O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+, one Mg2+, and one S+4.67+ atom. In the twenty-second O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the twenty-third O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr+5.67+ and one S+4.67+ atom.

36 MATERIALS SCIENCE↗