Materials Data on NaSeO3 by Materials Project
NaSeO3 crystallizes in the monoclinic C2/c space group. The structure is two-dimensional and consists of two NaSeO3 sheets oriented in the (1, 0, 0) direction. there are two inequivalent Na sites. In the first Na site, Na is bonded to five O atoms to form distorted NaO5 trigonal bipyramids that share corners with three equivalent NaO6 octahedra, corners with two equivalent NaO5 trigonal bipyramids, and an edgeedge with one NaO6 octahedra. The corner-sharing octahedra tilt angles range from 63–79°. There are a spread of Na–O bond distances ranging from 2.36–2.50 Å. In the second Na site, Na is bonded to six O atoms to form a mixture of distorted edge and corner-sharing NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.35–2.73 Å. There are two inequivalent Se sites. In the first Se site, Se is bonded in a trigonal non-coplanar geometry to three O atoms. There is two shorter (1.69 Å) and one longer (1.70 Å) Se–O bond length. In the second Se site, Se is bonded in a trigonal non-coplanar geometry to three O atoms. There are a spread of Se–O bond distances ranging from 1.67–1.70 Å. There are six inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to two Na and one Se atom. In the second O site, O is bonded in a trigonal non-coplanar geometry to two Na and one Se atom. In the third O site, O is bonded to three Na and one Se atom to form distorted corner-sharing ONa3Se tetrahedra. In the fourth O site, O is bonded in a bent 120 degrees geometry to one Na and one Se atom. In the fifth O site, O is bonded in a distorted trigonal planar geometry to two Na and one Se atom. In the sixth O site, O is bonded in a distorted bent 150 degrees geometry to one Na and one Se atom.
- 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:
- 1708351
- Report Number(s):
- mp-1197679
- Country of Publication:
- United States
- Language:
- English
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