Materials Data on Mn6O7F5 by Materials Project

Abstract

Mn6O7F5 is zeta iron carbide-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent Mn+3.17+ sites. In the first Mn+3.17+ site, Mn+3.17+ is bonded to five O2- and one F1- atom to form a mixture of corner and edge-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 42–55°. There are a spread of Mn–O bond distances ranging from 1.94–1.98 Å. The Mn–F bond length is 2.30 Å. In the second Mn+3.17+ site, Mn+3.17+ is bonded to three O2- and three F1- atoms to form MnO3F3 octahedra that share corners with eight MnO3F3 octahedra and edges with two MnO5F octahedra. The corner-sharing octahedra tilt angles range from 44–54°. There are a spread of Mn–O bond distances ranging from 1.91–1.97 Å. There are a spread of Mn–F bond distances ranging from 2.03–2.08 Å. In the third Mn+3.17+ site, Mn+3.17+ is bonded to four O2- and two F1- atoms to form MnO4F2 octahedra that share corners with eight MnO3F3 octahedra and edges with two MnO5F octahedra. The corner-sharing octahedra tilt angles range from 41–58°. There are a spread of Mn–O bond distances ranging from 1.94–2.07 Å. There are one shorter (2.09 Å) and one longer (2.34 Å) Mn–F bond lengths. In the fourth Mn+3.17+ site, Mn+3.17+ is bonded to three O2- and three F1- atoms to form MnO3F3 octahedra that share corners with eight MnO5F octahedra and edges with two MnO3F3 octahedra. The corner-sharing octahedra tilt angles range from 44–54°. There are a spread of Mn–O bond distances ranging from 1.90–1.97 Å. There are a spread of Mn–F bond distances ranging from 2.02–2.05 Å. In the fifth Mn+3.17+ site, Mn+3.17+ is bonded to three O2- and three F1- atoms to form MnO3F3 octahedra that share corners with eight MnO5F octahedra and edges with two MnO3F3 octahedra. The corner-sharing octahedra tilt angles range from 41–58°. There are a spread of Mn–O bond distances ranging from 1.90–2.00 Å. There are a spread of Mn–F bond distances ranging from 2.01–2.15 Å. In the sixth Mn+3.17+ site, Mn+3.17+ is bonded to three O2- and three F1- atoms to form MnO3F3 octahedra that share corners with eight MnO5F octahedra and edges with two MnO3F3 octahedra. The corner-sharing octahedra tilt angles range from 42–58°. There is one shorter (1.94 Å) and two longer (1.95 Å) Mn–O bond length. There are a spread of Mn–F bond distances ranging from 2.04–2.14 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.17+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.17+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.17+ atoms. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to three Mn+3.17+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.17+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.17+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.17+ atoms. There are five inequivalent F1- sites. In the first F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+3.17+ atoms. In the second F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+3.17+ atoms. In the third F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+3.17+ atoms. In the fourth F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+3.17+ atoms. In the fifth F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+3.17+ atoms.