Materials Data on NbTlBr4O by Materials Project
NbTlOBr4 crystallizes in the monoclinic C2 space group. The structure is two-dimensional and consists of two NbTlOBr4 sheets oriented in the (1, 0, 0) direction. Nb5+ is bonded to two equivalent O2- and four Br1- atoms to form distorted corner-sharing NbBr4O2 octahedra. The corner-sharing octahedral tilt angles are 0°. There are one shorter (1.79 Å) and one longer (2.29 Å) Nb–O bond lengths. All Nb–Br bond lengths are 2.58 Å. Tl1+ is bonded in a body-centered cubic geometry to eight Br1- atoms. There are a spread of Tl–Br bond distances ranging from 3.39–3.51 Å. O2- is bonded in a linear geometry to two equivalent Nb5+ atoms. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted single-bond geometry to one Nb5+ and two equivalent Tl1+ atoms. In the second Br1- site, Br1- is bonded in a 1-coordinate geometry to one Nb5+ and two equivalent Tl1+ atoms.
- 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:
- 1267512
- Report Number(s):
- mp-551826
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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