DOI: 10.17188/1304260
title: Materials Data on YNb2NO5 by Materials Project

description: YNb2NO5 is Brookite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded to one N3- and five O2- atoms to form distorted YNO5 octahedra that share corners with six NbNO5 octahedra. The corner-sharing octahedra tilt angles range from 41–61°. The Y–N bond length is 2.35 Å. There are a spread of Y–O bond distances ranging from 2.23–2.36 Å. In the second Y3+ site, Y3+ is bonded in a 6-coordinate geometry to one N3- and five O2- atoms. The Y–N bond length is 2.32 Å. There are a spread of Y–O bond distances ranging from 2.25–2.41 Å. In the third Y3+ site, Y3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Y–O bond distances ranging from 2.24–2.38 Å. In the fourth Y3+ site, Y3+ is bonded in a 6-coordinate geometry to one N3- and five O2- atoms. The Y–N bond length is 2.29 Å. There are a spread of Y–O bond distances ranging from 2.25–2.40 Å. There are eight inequivalent Nb5+ sites. In the first Nb5+ site, Nb5+ is bonded to one N3- and five O2- atoms to form distorted NbNO5 octahedra that share corners with two equivalent YNO5 octahedra, corners with two equivalent NbNO5 octahedra, and edges with two equivalent NbNO5 octahedra. The corner-sharing octahedra tilt angles range from 46–61°. The Nb–N bond length is 2.29 Å. There are a spread of Nb–O bond distances ranging from 1.90–2.12 Å. In the second Nb5+ site, Nb5+ is bonded to one N3- and five O2- atoms to form distorted NbNO5 octahedra that share corners with two equivalent YNO5 octahedra, corners with two equivalent NbNO5 octahedra, and edges with two equivalent NbNO5 octahedra. The corner-sharing octahedra tilt angles range from 41–60°. The Nb–N bond length is 2.01 Å. There are a spread of Nb–O bond distances ranging from 1.90–2.31 Å. In the third Nb5+ site, Nb5+ is bonded to one N3- and five O2- atoms to form distorted corner-sharing NbNO5 octahedra. The corner-sharing octahedra tilt angles range from 46–56°. The Nb–N bond length is 1.98 Å. There are a spread of Nb–O bond distances ranging from 1.89–2.39 Å. In the fourth Nb5+ site, Nb5+ is bonded in a 6-coordinate geometry to two N3- and four O2- atoms. There is one shorter (1.93 Å) and one longer (1.97 Å) Nb–N bond length. There are a spread of Nb–O bond distances ranging from 1.91–2.37 Å. In the fifth Nb5+ site, Nb5+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing NbO6 octahedra. The corner-sharing octahedra tilt angles range from 42–50°. There are a spread of Nb–O bond distances ranging from 1.88–2.32 Å. In the sixth Nb5+ site, Nb5+ is bonded to one N3- and five O2- atoms to form distorted NbNO5 octahedra that share corners with two equivalent NbNO5 octahedra and edges with two equivalent NbO6 octahedra. The corner-sharing octahedral tilt angles are 52°. The Nb–N bond length is 1.88 Å. There are a spread of Nb–O bond distances ranging from 1.91–2.34 Å. In the seventh Nb5+ site, Nb5+ is bonded to one N3- and five O2- atoms to form distorted NbNO5 octahedra that share corners with two equivalent YNO5 octahedra and corners with four NbO6 octahedra. The corner-sharing octahedra tilt angles range from 42–57°. The Nb–N bond length is 2.25 Å. There are a spread of Nb–O bond distances ranging from 1.90–2.11 Å. In the eighth Nb5+ site, Nb5+ is bonded in a 6-coordinate geometry to two N3- and four O2- atoms. There is one shorter (1.82 Å) and one longer (2.10 Å) Nb–N bond length. There are a spread of Nb–O bond distances ranging from 2.04–2.57 Å. There are four inequivalent N3- sites. In the first N3- site, N3- is bonded in a 3-coordinate geometry to three Nb5+ atoms. In the second N3- site, N3- is bonded in a distorted trigonal planar geometry to one Y3+ and two Nb5+ atoms. In the third N3- site, N3- is bonded in a 3-coordinate geometry to three Nb5+ atoms. In the fourth N3- site, N3- is bonded in a 3-coordinate geometry to two Y3+ and one Nb5+ atom. There are twenty inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Y3+ and one Nb5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two Y3+ and one Nb5+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Y3+ and two Nb5+ atoms. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to one Y3+ and two Nb5+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Nb5+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to three Nb5+ atoms. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to three Nb5+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Y3+ and two Nb5+ atoms. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to two Y3+ and one Nb5+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Y3+ and one Nb5+ atom. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to two Y3+ and one Nb5+ atom. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to two Y3+ and one Nb5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Y3+ and two Nb5+ atoms. In the fourteenth O2- site, O2- is bonded in a trigonal planar geometry to one Y3+ and two Nb5+ atoms. In the fifteenth O2- site, O2- is bonded in a 3-coordinate geometry to three Nb5+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Nb5+ atoms. In the seventeenth O2- site, O2- is bonded in a 2-coordinate geometry to three Nb5+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Y3+ and two Nb5+ atoms. In the nineteenth O2- site, O2- is bonded in a trigonal planar geometry to one Y3+ and two Nb5+ atoms. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to two Y3+ and one Nb5+ atom.