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Title: Materials Data on Li2Nb(PO4)2 by Materials Project

Abstract

Li2Nb(PO4)2 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six O2- atoms to form distorted LiO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with two equivalent NbO6 pentagonal pyramids, corners with two PO4 tetrahedra, an edgeedge with one LiO6 octahedra, an edgeedge with one NbO6 pentagonal pyramid, and edges with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–76°. There are a spread of Li–O bond distances ranging from 1.96–2.42 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form distorted LiO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with four equivalent NbO6 pentagonal pyramids, corners with four PO4 tetrahedra, an edgeedge with one LiO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–76°. There are a spread of Li–O bond distances ranging from 2.05–2.45 Å. Nb4+ is bonded to six O2- atoms to form distorted NbO6 pentagonal pyramids that share corners with six LiO6 octahedra, corners with four PO4 tetrahedra, an edgeedge with one LiO6 octahedra, and an edgeedge with onemore » PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–61°. There are a spread of Nb–O bond distances ranging from 2.00–2.24 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three LiO6 octahedra, corners with two equivalent NbO6 pentagonal pyramids, an edgeedge with one LiO6 octahedra, and an edgeedge with one NbO6 pentagonal pyramid. The corner-sharing octahedra tilt angles range from 53–58°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three LiO6 octahedra, corners with two equivalent NbO6 pentagonal pyramids, and edges with two LiO6 octahedra. The corner-sharing octahedra tilt angles range from 51–56°. There are a spread of P–O bond distances ranging from 1.51–1.63 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Nb4+, and one P5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Nb4+, and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Nb4+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Nb4+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+, one Nb4+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Nb4+, and one P5+ atom.« less

Publication Date:
Other Number(s):
mp-757793
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; Li2Nb(PO4)2; Li-Nb-O-P
OSTI Identifier:
1290891
DOI:
10.17188/1290891

Citation Formats

The Materials Project. Materials Data on Li2Nb(PO4)2 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1290891.
The Materials Project. Materials Data on Li2Nb(PO4)2 by Materials Project. United States. doi:10.17188/1290891.
The Materials Project. 2020. "Materials Data on Li2Nb(PO4)2 by Materials Project". United States. doi:10.17188/1290891. https://www.osti.gov/servlets/purl/1290891. Pub date:Sat May 02 00:00:00 EDT 2020
@article{osti_1290891,
title = {Materials Data on Li2Nb(PO4)2 by Materials Project},
author = {The Materials Project},
abstractNote = {Li2Nb(PO4)2 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six O2- atoms to form distorted LiO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with two equivalent NbO6 pentagonal pyramids, corners with two PO4 tetrahedra, an edgeedge with one LiO6 octahedra, an edgeedge with one NbO6 pentagonal pyramid, and edges with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–76°. There are a spread of Li–O bond distances ranging from 1.96–2.42 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form distorted LiO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with four equivalent NbO6 pentagonal pyramids, corners with four PO4 tetrahedra, an edgeedge with one LiO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–76°. There are a spread of Li–O bond distances ranging from 2.05–2.45 Å. Nb4+ is bonded to six O2- atoms to form distorted NbO6 pentagonal pyramids that share corners with six LiO6 octahedra, corners with four PO4 tetrahedra, an edgeedge with one LiO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–61°. There are a spread of Nb–O bond distances ranging from 2.00–2.24 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three LiO6 octahedra, corners with two equivalent NbO6 pentagonal pyramids, an edgeedge with one LiO6 octahedra, and an edgeedge with one NbO6 pentagonal pyramid. The corner-sharing octahedra tilt angles range from 53–58°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three LiO6 octahedra, corners with two equivalent NbO6 pentagonal pyramids, and edges with two LiO6 octahedra. The corner-sharing octahedra tilt angles range from 51–56°. There are a spread of P–O bond distances ranging from 1.51–1.63 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Nb4+, and one P5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Nb4+, and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Nb4+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Nb4+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+, one Nb4+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Nb4+, and one P5+ atom.},
doi = {10.17188/1290891},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {5}
}

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