DOI: 10.17188/1308845
title: Materials Data on Mn12O5F19 by Materials Project

description: Mn12O5F19 is zeta iron carbide-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Mn+2.42+ sites. In the first Mn+2.42+ site, Mn+2.42+ is bonded in a 6-coordinate geometry to one O2- and five F1- atoms. The Mn–O bond length is 2.02 Å. There are a spread of Mn–F bond distances ranging from 2.10–2.60 Å. In the second Mn+2.42+ site, Mn+2.42+ is bonded to one O2- and five F1- atoms to form MnOF5 octahedra that share corners with eight MnOF5 octahedra and an edgeedge with one MnO2F4 octahedra. The corner-sharing octahedra tilt angles range from 46–58°. The Mn–O bond length is 2.01 Å. There are a spread of Mn–F bond distances ranging from 2.11–2.27 Å. In the third Mn+2.42+ site, Mn+2.42+ is bonded to two O2- and four F1- atoms to form a mixture of corner and edge-sharing MnO2F4 octahedra. The corner-sharing octahedra tilt angles range from 43–62°. Both Mn–O bond lengths are 1.91 Å. There are a spread of Mn–F bond distances ranging from 2.05–2.31 Å. In the fourth Mn+2.42+ site, Mn+2.42+ is bonded to two O2- and four F1- atoms to form MnO2F4 octahedra that share corners with eight MnO2F4 octahedra and edges with two MnF6 octahedra. The corner-sharing octahedra tilt angles range from 47–57°. There are one shorter (2.05 Å) and one longer (2.13 Å) Mn–O bond lengths. There are a spread of Mn–F bond distances ranging from 2.09–2.22 Å. In the fifth Mn+2.42+ site, Mn+2.42+ is bonded to six F1- atoms to form MnF6 octahedra that share corners with eight MnOF5 octahedra and an edgeedge with one MnO2F4 octahedra. The corner-sharing octahedra tilt angles range from 45–55°. There are a spread of Mn–F bond distances ranging from 2.06–2.23 Å. In the sixth Mn+2.42+ site, Mn+2.42+ is bonded to one O2- and five F1- atoms to form MnOF5 octahedra that share corners with eight MnOF5 octahedra and edges with two MnO2F4 octahedra. The corner-sharing octahedra tilt angles range from 45–58°. The Mn–O bond length is 1.96 Å. There are a spread of Mn–F bond distances ranging from 2.03–2.27 Å. In the seventh Mn+2.42+ site, Mn+2.42+ is bonded to two O2- and four F1- atoms to form MnO2F4 octahedra that share corners with six MnO2F4 octahedra and edges with two MnOF5 octahedra. The corner-sharing octahedra tilt angles range from 45–54°. There is one shorter (1.96 Å) and one longer (1.99 Å) Mn–O bond length. There are a spread of Mn–F bond distances ranging from 2.06–2.15 Å. In the eighth Mn+2.42+ site, Mn+2.42+ is bonded to one O2- and five F1- atoms to form MnOF5 octahedra that share corners with eight MnO2F4 octahedra and edges with two MnOF5 octahedra. The corner-sharing octahedra tilt angles range from 47–58°. The Mn–O bond length is 2.02 Å. There are a spread of Mn–F bond distances ranging from 2.07–2.23 Å. In the ninth Mn+2.42+ site, Mn+2.42+ is bonded to one O2- and five F1- atoms to form a mixture of corner and edge-sharing MnOF5 octahedra. The corner-sharing octahedra tilt angles range from 46–58°. The Mn–O bond length is 2.00 Å. There are a spread of Mn–F bond distances ranging from 2.11–2.22 Å. In the tenth Mn+2.42+ site, Mn+2.42+ is bonded to one O2- and five F1- atoms to form a mixture of corner and edge-sharing MnOF5 octahedra. The corner-sharing octahedra tilt angles range from 43–62°. The Mn–O bond length is 2.01 Å. There are a spread of Mn–F bond distances ranging from 2.10–2.19 Å. In the eleventh Mn+2.42+ site, Mn+2.42+ is bonded to one O2- and five F1- atoms to form a mixture of corner and edge-sharing MnOF5 octahedra. The corner-sharing octahedra tilt angles range from 50–55°. The Mn–O bond length is 2.01 Å. There are a spread of Mn–F bond distances ranging from 2.08–2.17 Å. In the twelfth Mn+2.42+ site, Mn+2.42+ is bonded to two O2- and four F1- atoms to form a mixture of corner and edge-sharing MnO2F4 octahedra. The corner-sharing octahedra tilt angles range from 47–57°. There are one shorter (2.00 Å) and one longer (2.04 Å) Mn–O bond lengths. There are a spread of Mn–F bond distances ranging from 2.07–2.20 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the second O2- site, O2- is bonded in a trigonal planar geometry to three Mn+2.42+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to three Mn+2.42+ atoms. There are nineteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a trigonal planar geometry to three Mn+2.42+ atoms. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the third F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the fourth F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+2.42+ atoms. In the fifth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the sixth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the seventh F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the eighth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the ninth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the tenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the eleventh F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the twelfth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the thirteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the fourteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the fifteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the sixteenth F1- site, F1- is bonded in a 2-coordinate geometry to three Mn+2.42+ atoms. In the seventeenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the eighteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms. In the nineteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.42+ atoms.