DOI: 10.17188/1268332
title: Materials Data on Mn8O13F3 by Materials Project

description: Mn8O13F3 is zeta iron carbide-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Mn+3.62+ sites. In the first Mn+3.62+ site, Mn+3.62+ is bonded to four O2- and two F1- atoms to form a mixture of edge and corner-sharing MnO4F2 octahedra. The corner-sharing octahedra tilt angles range from 43–59°. There are a spread of Mn–O bond distances ranging from 1.91–1.99 Å. There are one shorter (2.06 Å) and one longer (2.12 Å) Mn–F bond lengths. In the second Mn+3.62+ site, Mn+3.62+ is bonded to five O2- and one F1- atom to form MnO5F octahedra that share corners with eight MnO6 octahedra and edges with two MnO4F2 octahedra. The corner-sharing octahedra tilt angles range from 44–54°. There are a spread of Mn–O bond distances ranging from 1.86–2.06 Å. The Mn–F bond length is 1.93 Å. In the third Mn+3.62+ site, Mn+3.62+ is bonded to five O2- and one F1- atom to form a mixture of edge and corner-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 48–57°. There are a spread of Mn–O bond distances ranging from 1.93–1.99 Å. The Mn–F bond length is 2.20 Å. In the fourth Mn+3.62+ site, Mn+3.62+ is bonded to five O2- and one F1- atom to form MnO5F octahedra that share corners with eight MnO5F octahedra and edges with two MnO4F2 octahedra. The corner-sharing octahedra tilt angles range from 47–54°. There are a spread of Mn–O bond distances ranging from 1.87–2.03 Å. The Mn–F bond length is 2.00 Å. In the fifth Mn+3.62+ site, Mn+3.62+ is bonded to five O2- and one F1- atom to form MnO5F octahedra that share corners with eight MnO4F2 octahedra and edges with two MnO5F octahedra. The corner-sharing octahedra tilt angles range from 43–57°. There are a spread of Mn–O bond distances ranging from 1.87–2.03 Å. The Mn–F bond length is 1.94 Å. In the sixth Mn+3.62+ site, Mn+3.62+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with eight MnO4F2 octahedra and edges with two MnO5F octahedra. The corner-sharing octahedra tilt angles range from 49–55°. There are a spread of Mn–O bond distances ranging from 1.91–2.03 Å. In the seventh Mn+3.62+ site, Mn+3.62+ is bonded to five O2- and one F1- atom to form a mixture of edge and corner-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 47–54°. There are a spread of Mn–O bond distances ranging from 1.87–1.96 Å. The Mn–F bond length is 2.04 Å. In the eighth Mn+3.62+ site, Mn+3.62+ is bonded to four O2- and two F1- atoms to form MnO4F2 octahedra that share corners with eight MnO4F2 octahedra and edges with two MnO5F octahedra. The corner-sharing octahedra tilt angles range from 44–59°. There are a spread of Mn–O bond distances ranging from 1.94–1.99 Å. There are one shorter (2.05 Å) and one longer (2.11 Å) Mn–F bond lengths. There are thirteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the eleventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.62+ atoms. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+3.62+ atoms. In the second F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+3.62+ atoms. In the third F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+3.62+ atoms.