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Title: Materials Data on Fe3(OF2)2 by Materials Project

Abstract

Fe3(OF2)2 is zeta iron carbide-derived structured and crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are four inequivalent Fe+2.67+ sites. In the first Fe+2.67+ site, Fe+2.67+ is bonded to two O2- and four F1- atoms to form a mixture of edge and corner-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 44–57°. There are one shorter (2.03 Å) and one longer (2.06 Å) Fe–O bond lengths. There are a spread of Fe–F bond distances ranging from 2.13–2.21 Å. In the second Fe+2.67+ site, Fe+2.67+ is bonded to two equivalent O2- and four F1- atoms to form a mixture of edge and corner-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 35–53°. Both Fe–O bond lengths are 1.88 Å. There are a spread of Fe–F bond distances ranging from 2.08–2.12 Å. In the third Fe+2.67+ site, Fe+2.67+ is bonded to two equivalent O2- and four F1- atoms to form a mixture of edge and corner-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 44–53°. Both Fe–O bond lengths are 1.92 Å. There are two shorter (1.99 Å) and two longer (2.18 Å) Fe–F bond lengths. In the fourth Fe+2.67+ site, Fe+2.67+ is bonded tomore » two O2- and four F1- atoms to form a mixture of edge and corner-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 35–57°. There is one shorter (1.89 Å) and one longer (1.90 Å) Fe–O bond length. There are a spread of Fe–F bond distances ranging from 2.07–2.17 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three Fe+2.67+ atoms. In the second O2- site, O2- is bonded in a trigonal planar geometry to three Fe+2.67+ atoms. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.67+ atoms. In the second F1- site, F1- is bonded in a trigonal planar geometry to three Fe+2.67+ atoms. In the third F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.67+ atoms. In the fourth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.67+ atoms. In the fifth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.67+ atoms. In the sixth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.67+ atoms.« less

Publication Date:
Other Number(s):
mp-773751
DOE Contract Number:  
AC02-05CH11231; EDCBEE
Product Type:
Dataset
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Subject:
36 MATERIALS SCIENCE
Keywords:
crystal structure; Fe3(OF2)2; F-Fe-O
OSTI Identifier:
1302155
DOI:
10.17188/1302155

Citation Formats

The Materials Project. Materials Data on Fe3(OF2)2 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1302155.
The Materials Project. Materials Data on Fe3(OF2)2 by Materials Project. United States. doi:10.17188/1302155.
The Materials Project. 2020. "Materials Data on Fe3(OF2)2 by Materials Project". United States. doi:10.17188/1302155. https://www.osti.gov/servlets/purl/1302155. Pub date:Mon Aug 03 00:00:00 EDT 2020
@article{osti_1302155,
title = {Materials Data on Fe3(OF2)2 by Materials Project},
author = {The Materials Project},
abstractNote = {Fe3(OF2)2 is zeta iron carbide-derived structured and crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are four inequivalent Fe+2.67+ sites. In the first Fe+2.67+ site, Fe+2.67+ is bonded to two O2- and four F1- atoms to form a mixture of edge and corner-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 44–57°. There are one shorter (2.03 Å) and one longer (2.06 Å) Fe–O bond lengths. There are a spread of Fe–F bond distances ranging from 2.13–2.21 Å. In the second Fe+2.67+ site, Fe+2.67+ is bonded to two equivalent O2- and four F1- atoms to form a mixture of edge and corner-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 35–53°. Both Fe–O bond lengths are 1.88 Å. There are a spread of Fe–F bond distances ranging from 2.08–2.12 Å. In the third Fe+2.67+ site, Fe+2.67+ is bonded to two equivalent O2- and four F1- atoms to form a mixture of edge and corner-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 44–53°. Both Fe–O bond lengths are 1.92 Å. There are two shorter (1.99 Å) and two longer (2.18 Å) Fe–F bond lengths. In the fourth Fe+2.67+ site, Fe+2.67+ is bonded to two O2- and four F1- atoms to form a mixture of edge and corner-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 35–57°. There is one shorter (1.89 Å) and one longer (1.90 Å) Fe–O bond length. There are a spread of Fe–F bond distances ranging from 2.07–2.17 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three Fe+2.67+ atoms. In the second O2- site, O2- is bonded in a trigonal planar geometry to three Fe+2.67+ atoms. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.67+ atoms. In the second F1- site, F1- is bonded in a trigonal planar geometry to three Fe+2.67+ atoms. In the third F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.67+ atoms. In the fourth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.67+ atoms. In the fifth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.67+ atoms. In the sixth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.67+ atoms.},
doi = {10.17188/1302155},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {8}
}

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