Materials Data on NbFe3(PO4)6 by Materials Project
NbFe3(PO4)6 crystallizes in the trigonal R3 space group. The structure is three-dimensional. Nb is bonded to six O atoms to form NbO6 octahedra that share corners with six PO4 tetrahedra. There is three shorter (1.97 Å) and three longer (2.00 Å) Nb–O bond length. There are three inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six PO4 tetrahedra. There is three shorter (1.99 Å) and three longer (2.00 Å) Fe–O bond length. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six PO4 tetrahedra. There are three shorter (2.00 Å) and three longer (2.01 Å) Fe–O bond lengths. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six PO4 tetrahedra. There is three shorter (1.99 Å) and three longer (2.00 Å) Fe–O bond length. There are two inequivalent P sites. In the first P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one NbO6 octahedra and corners with three FeO6 octahedra. The corner-sharing octahedra tilt angles range from 20–32°. There are a spread of P–O bond distances ranging from 1.53–1.56 Å. In the second P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one NbO6 octahedra and corners with three FeO6 octahedra. The corner-sharing octahedra tilt angles range from 24–30°. There is three shorter (1.53 Å) and one longer (1.57 Å) P–O bond length. There are eight inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Fe and one P atom. In the second O site, O is bonded in a bent 150 degrees geometry to one Fe and one P atom. In the third O site, O is bonded in a bent 150 degrees geometry to one Nb and one P atom. In the fourth O site, O is bonded in a bent 150 degrees geometry to one Fe and one P atom. In the fifth O site, O is bonded in a bent 150 degrees geometry to one Nb and one P atom. In the sixth O site, O is bonded in a bent 150 degrees geometry to one Fe and one P atom. In the seventh O site, O is bonded in a bent 150 degrees geometry to one Fe and one P atom. In the eighth O site, O is bonded in a bent 150 degrees geometry to one Fe and one P atom.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- OSTI ID:
- 1303772
- Report Number(s):
- mp-775868
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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