Materials Data on Fe5(OF4)2 by Materials Project
Fe5(OF4)2 is Hydrophilite-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Fe+2.40+ sites. In the first Fe+2.40+ site, Fe+2.40+ is bonded to one O2- and five F1- atoms to form a mixture of corner and edge-sharing FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 45–58°. The Fe–O bond length is 2.07 Å. There are a spread of Fe–F bond distances ranging from 2.07–2.19 Å. In the second Fe+2.40+ site, Fe+2.40+ is bonded to one O2- and five F1- atoms to form a mixture of corner and edge-sharing FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 44–58°. The Fe–O bond length is 1.89 Å. There are a spread of Fe–F bond distances ranging from 2.06–2.20 Å. In the third Fe+2.40+ site, Fe+2.40+ is bonded to two equivalent O2- and four F1- atoms to form a mixture of corner and edge-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 46–56°. Both Fe–O bond lengths are 1.96 Å. There are two shorter (2.11 Å) and two longer (2.13 Å) Fe–F bond lengths. O2- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted T-shaped geometry to three Fe+2.40+ atoms. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. In the third F1- site, F1- is bonded in a trigonal planar geometry to three Fe+2.40+ atoms. In the fourth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1306344
- Report Number(s):
- mp-779369
- Country of Publication:
- United States
- Language:
- English
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