Materials Data on Mn12O7F17 by Materials Project
Mn12O7F17 is zeta iron carbide-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Mn+2.58+ sites. In the first Mn+2.58+ site, Mn+2.58+ is bonded to two O2- and four F1- atoms to form a mixture of edge and corner-sharing MnO2F4 octahedra. The corner-sharing octahedra tilt angles range from 47–58°. There is one shorter (1.97 Å) and one longer (2.02 Å) Mn–O bond length. There are a spread of Mn–F bond distances ranging from 2.07–2.16 Å. In the second Mn+2.58+ site, Mn+2.58+ 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 45–60°. The Mn–O bond length is 2.06 Å. There are a spread of Mn–F bond distances ranging from 2.06–2.24 Å. In the third Mn+2.58+ site, Mn+2.58+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing MnO3F3 octahedra. The corner-sharing octahedra tilt angles range from 42–60°. There are a spread of Mn–O bond distances ranging from 1.92–2.00 Å. There are a spread of Mn–F bond distances ranging from 2.04–2.33 Å. In the fourth Mn+2.58+ site, Mn+2.58+ is bonded to one O2- and five F1- atoms to form a mixture of edge and corner-sharing MnOF5 octahedra. The corner-sharing octahedra tilt angles range from 47–58°. The Mn–O bond length is 1.94 Å. There are a spread of Mn–F bond distances ranging from 2.04–2.23 Å. In the fifth Mn+2.58+ site, Mn+2.58+ is bonded to two O2- and four F1- atoms to form a mixture of edge and corner-sharing MnO2F4 octahedra. The corner-sharing octahedra tilt angles range from 47–59°. There is one shorter (1.94 Å) and one longer (2.00 Å) Mn–O bond length. There are a spread of Mn–F bond distances ranging from 2.07–2.23 Å. In the sixth Mn+2.58+ site, Mn+2.58+ is bonded to two O2- and four F1- atoms to form MnO2F4 octahedra that share corners with four MnO2F4 octahedra and edges with two MnO3F3 octahedra. The corner-sharing octahedra tilt angles range from 43–51°. There is one shorter (1.98 Å) and one longer (2.00 Å) Mn–O bond length. There are a spread of Mn–F bond distances ranging from 2.04–2.17 Å. In the seventh Mn+2.58+ site, Mn+2.58+ is bonded to one O2- and five F1- atoms to form a mixture of edge and corner-sharing MnOF5 octahedra. The corner-sharing octahedra tilt angles range from 47–59°. The Mn–O bond length is 1.99 Å. There are a spread of Mn–F bond distances ranging from 2.07–2.18 Å. In the eighth Mn+2.58+ site, Mn+2.58+ is bonded in a 6-coordinate geometry to two O2- and four F1- atoms. There are one shorter (2.00 Å) and one longer (2.02 Å) Mn–O bond lengths. There are a spread of Mn–F bond distances ranging from 2.05–2.56 Å. In the ninth Mn+2.58+ site, Mn+2.58+ is bonded to one O2- and five F1- atoms to form a mixture of distorted edge and corner-sharing MnOF5 octahedra. The corner-sharing octahedra tilt angles range from 42–60°. The Mn–O bond length is 2.04 Å. There are a spread of Mn–F bond distances ranging from 2.07–2.24 Å. In the tenth Mn+2.58+ site, Mn+2.58+ is bonded to two O2- and four F1- atoms to form a mixture of edge and corner-sharing MnO2F4 octahedra. The corner-sharing octahedra tilt angles range from 43–60°. There is one shorter (1.93 Å) and one longer (1.97 Å) Mn–O bond length. There are a spread of Mn–F bond distances ranging from 2.03–2.20 Å. In the eleventh Mn+2.58+ site, Mn+2.58+ is bonded to two O2- and four F1- atoms to form MnO2F4 octahedra that share corners with eight MnO2F4 octahedra and edges with two MnOF5 octahedra. The corner-sharing octahedra tilt angles range from 45–57°. Both Mn–O bond lengths are 1.98 Å. There are a spread of Mn–F bond distances ranging from 2.02–2.25 Å. In the twelfth Mn+2.58+ site, Mn+2.58+ is bonded to two O2- and four F1- atoms to form a mixture of edge and corner-sharing MnO2F4 octahedra. The corner-sharing octahedra tilt angles range from 47–58°. There is one shorter (1.92 Å) and one longer (1.96 Å) Mn–O bond length. There are a spread of Mn–F bond distances ranging from 2.05–2.27 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the third O2- site, O2- is bonded in a trigonal planar geometry to three Mn+2.58+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. There are seventeen inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the third F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the fourth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the fifth F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+2.58+ atoms. In the sixth F1- site, F1- is bonded in a trigonal planar geometry to three Mn+2.58+ atoms. In the seventh F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the eighth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the ninth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the tenth F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+2.58+ atoms. In the eleventh F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the twelfth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the thirteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the fourteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms. In the fifteenth F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+2.58+ atoms. In the sixteenth F1- site, F1- is bonded in a 3-coordinate geometry to three Mn+2.58+ atoms. In the seventeenth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Mn+2.58+ atoms.