DOI: 10.17188/1715252
title: Materials Data on Mn2PO5 by Materials Project

description: Mn2PO5 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are eight inequivalent Mn+2.50+ sites. In the first Mn+2.50+ site, Mn+2.50+ is bonded to five O2- atoms to form MnO5 trigonal bipyramids that share corners with two MnO6 octahedra, corners with four PO4 tetrahedra, corners with two MnO5 trigonal bipyramids, and an edgeedge with one MnO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 53–54°. There are a spread of Mn–O bond distances ranging from 2.05–2.22 Å. In the second Mn+2.50+ site, Mn+2.50+ is bonded to six O2- atoms to form distorted MnO6 octahedra that share corners with four PO4 tetrahedra, corners with two MnO5 trigonal bipyramids, and edges with three MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.27 Å. In the third Mn+2.50+ site, Mn+2.50+ is bonded to six O2- atoms to form distorted MnO6 octahedra that share corners with four PO4 tetrahedra, corners with two MnO5 trigonal bipyramids, and edges with three MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.91–2.32 Å. In the fourth Mn+2.50+ site, Mn+2.50+ is bonded to five O2- atoms to form MnO5 trigonal bipyramids that share corners with two MnO6 octahedra, corners with four PO4 tetrahedra, corners with two MnO5 trigonal bipyramids, and an edgeedge with one MnO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 53–57°. There are a spread of Mn–O bond distances ranging from 2.04–2.23 Å. In the fifth Mn+2.50+ site, Mn+2.50+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with four PO4 tetrahedra, corners with two MnO5 trigonal bipyramids, and edges with three MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.94–2.28 Å. In the sixth Mn+2.50+ site, Mn+2.50+ is bonded to five O2- atoms to form MnO5 trigonal bipyramids that share corners with two MnO6 octahedra, corners with four PO4 tetrahedra, corners with two MnO5 trigonal bipyramids, and an edgeedge with one MnO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 53–55°. There are a spread of Mn–O bond distances ranging from 2.02–2.15 Å. In the seventh Mn+2.50+ site, Mn+2.50+ is bonded to six O2- atoms to form distorted MnO6 octahedra that share corners with four PO4 tetrahedra, corners with two MnO5 trigonal bipyramids, edges with two MnO6 octahedra, and an edgeedge with one MnO5 trigonal bipyramid. There are a spread of Mn–O bond distances ranging from 1.93–2.28 Å. In the eighth Mn+2.50+ site, Mn+2.50+ is bonded to five O2- atoms to form MnO5 trigonal bipyramids that share corners with two MnO6 octahedra, corners with four PO4 tetrahedra, corners with two MnO5 trigonal bipyramids, and an edgeedge with one MnO6 octahedra. The corner-sharing octahedra tilt angles range from 50–56°. There are a spread of Mn–O bond distances ranging from 2.04–2.17 Å. There are four inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six MnO6 octahedra and corners with two MnO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 37–60°. There are a spread of P–O bond distances ranging from 1.55–1.58 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two MnO6 octahedra and corners with six MnO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 47–50°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with five MnO6 octahedra and corners with three MnO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 38–60°. There is three shorter (1.55 Å) and one longer (1.57 Å) P–O bond length. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three MnO6 octahedra and corners with five MnO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 53–58°. There is two shorter (1.55 Å) and two longer (1.56 Å) P–O bond length. There are twenty inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mn+2.50+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mn+2.50+ and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Mn+2.50+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn+2.50+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn+2.50+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn+2.50+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to two Mn+2.50+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn+2.50+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn+2.50+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn+2.50+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn+2.50+ and one P5+ atom. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn+2.50+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn+2.50+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn+2.50+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn+2.50+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn+2.50+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a trigonal planar geometry to three Mn+2.50+ atoms. In the eighteenth O2- site, O2- is bonded in a trigonal planar geometry to three Mn+2.50+ atoms. In the nineteenth O2- site, O2- is bonded in a trigonal planar geometry to three Mn+2.50+ atoms. In the twentieth O2- site, O2- is bonded in a trigonal planar geometry to three Mn+2.50+ atoms.