Materials Data on Mn7P6(HO6)4 by Materials Project
Mn7P6(HO6)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent MnO6 octahedra, corners with six PO4 tetrahedra, and corners with two equivalent MnO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 64°. There are a spread of Mn–O bond distances ranging from 2.18–2.37 Å. In the second Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with six PO4 tetrahedra, an edgeedge with one MnO6 octahedra, and an edgeedge with one MnO5 trigonal bipyramid. There are a spread of Mn–O bond distances ranging from 2.14–2.24 Å. In the third Mn2+ site, Mn2+ is bonded to five O2- atoms to form MnO5 trigonal bipyramids that share a cornercorner with one MnO6 octahedra, corners with five PO4 tetrahedra, and edges with two MnO6 octahedra. The corner-sharing octahedral tilt angles are 70°. There are a spread of Mn–O bond distances ranging from 2.14–2.25 Å. In the fourth Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one MnO6 octahedra, corners with six PO4 tetrahedra, an edgeedge with one MnO6 octahedra, and an edgeedge with one MnO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 64°. There are a spread of Mn–O bond distances ranging from 2.16–2.30 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with five MnO6 octahedra and corners with two equivalent MnO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 45–60°. There are a spread of P–O bond distances ranging from 1.54–1.60 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four MnO6 octahedra and corners with two equivalent MnO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 34–55°. There are a spread of P–O bond distances ranging from 1.53–1.62 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six MnO6 octahedra and a cornercorner with one MnO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 25–54°. There is two shorter (1.55 Å) and two longer (1.56 Å) P–O bond length. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.63 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.07 Å) and one longer (1.42 Å) H–O bond length. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Mn2+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn2+ and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Mn2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted T-shaped geometry to one Mn2+, one P5+, and one H1+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Mn2+, one P5+, and one H1+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Mn2+, one P5+, and one H1+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn2+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn2+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mn2+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a trigonal planar geometry to two Mn2+ and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to one Mn2+, one P5+, and one H1+ atom.