DOI: 10.17188/1728801
title: Materials Data on K2Mg2(MoO4)3 by Materials Project

description: K2Mg2(MoO4)3 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. there are six inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.77–3.38 Å. In the second K1+ site, K1+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.80–3.36 Å. In the third K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.72–3.16 Å. In the fourth K1+ site, K1+ is bonded in a 8-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.74–3.14 Å. In the fifth K1+ site, K1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of K–O bond distances ranging from 2.95–3.40 Å. In the sixth K1+ site, K1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of K–O bond distances ranging from 2.79–3.35 Å. There are six inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six MoO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.09–2.13 Å. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six MoO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.08–2.19 Å. In the third Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six MoO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.08–2.18 Å. In the fourth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six MoO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.02–2.18 Å. In the fifth Mg2+ site, Mg2+ is bonded to six O2- atoms to form distorted MgO6 octahedra that share corners with six MoO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.09–2.20 Å. In the sixth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six MoO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.04–2.15 Å. There are nine inequivalent Mo6+ sites. In the first Mo6+ site, Mo6+ is bonded to four O2- atoms to form MoO4 tetrahedra that share corners with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 20–58°. There is two shorter (1.79 Å) and two longer (1.80 Å) Mo–O bond length. In the second Mo6+ site, Mo6+ is bonded to four O2- atoms to form MoO4 tetrahedra that share corners with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 23–39°. There is two shorter (1.79 Å) and two longer (1.80 Å) Mo–O bond length. In the third Mo6+ site, Mo6+ is bonded to four O2- atoms to form MoO4 tetrahedra that share corners with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 19–61°. There are a spread of Mo–O bond distances ranging from 1.79–1.81 Å. In the fourth Mo6+ site, Mo6+ is bonded to four O2- atoms to form MoO4 tetrahedra that share corners with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 16–60°. There are a spread of Mo–O bond distances ranging from 1.79–1.81 Å. In the fifth Mo6+ site, Mo6+ is bonded to four O2- atoms to form MoO4 tetrahedra that share corners with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 32–50°. There is two shorter (1.79 Å) and two longer (1.80 Å) Mo–O bond length. In the sixth Mo6+ site, Mo6+ is bonded to four O2- atoms to form MoO4 tetrahedra that share corners with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 13–52°. There is one shorter (1.77 Å) and three longer (1.80 Å) Mo–O bond length. In the seventh Mo6+ site, Mo6+ is bonded to four O2- atoms to form MoO4 tetrahedra that share corners with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 15–56°. There is one shorter (1.78 Å) and three longer (1.80 Å) Mo–O bond length. In the eighth Mo6+ site, Mo6+ is bonded to four O2- atoms to form MoO4 tetrahedra that share corners with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 28–56°. There is one shorter (1.79 Å) and three longer (1.80 Å) Mo–O bond length. In the ninth Mo6+ site, Mo6+ is bonded to four O2- atoms to form MoO4 tetrahedra that share corners with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 31–50°. There are a spread of Mo–O bond distances ranging from 1.79–1.81 Å. There are thirty-six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Mg2+, and one Mo6+ atom. In the second O2- site, O2- is bonded in a distorted linear geometry to one K1+, one Mg2+, and one Mo6+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Mg2+, and one Mo6+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Mg2+, and one Mo6+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two K1+, one Mg2+, and one Mo6+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Mg2+, and one Mo6+ atom. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Mg2+, and one Mo6+ atom. In the tenth O2- site, O2- is bonded in a linear geometry to one Mg2+ and one Mo6+ atom. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, one Mg2+, and one Mo6+ atom. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Mg2+, and one Mo6+ atom. In the thirteenth O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, one Mg2+, and one Mo6+ atom. In the fourteenth O2- site, O2- is bonded in a linear geometry to one Mg2+ and one Mo6+ atom. In the fifteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two K1+, one Mg2+, and one Mo6+ atom. In the sixteenth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Mg2+, and one Mo6+ atom. In the seventeenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the eighteenth O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Mg2+, and one Mo6+ atom. In the nineteenth O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, one Mg2+, and one Mo6+ atom. In the twentieth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the twenty-first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one Mo6+ atom. In the twenty-second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the twenty-third O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Mg2+, and one Mo6+ atom. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to two K1+, one Mg2+, and one Mo6+ atom. In the twenty-fifth O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Mg2+, and one Mo6+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Mg2+, and one Mo6+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the twenty-eighth O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Mg2+, and one Mo6+ atom. In the twenty-ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the thirtieth O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, one Mg2+, and one Mo6+ atom. In the thirty-first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the thirty-second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the thirty-third O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Mg2+, and one Mo6+ atom. In the thirty-fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the thirty-fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom. In the thirty-sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mg2+, and one Mo6+ atom.