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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on ScV(SeO4)2 by Materials Project

ScV(SeO4)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sc3+ is bonded to seven O2- atoms to form distorted edge-sharing ScO7 pentagonal bipyramids. There are a spread of Sc–O bond distances ranging from 2.09–2.38 Å. V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.62–2.06 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.69–1.86 Å. In the second Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.75 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Sc3+ and one Se4+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Sc3+ and one Se4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Sc3+ and one Se4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Sc3+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to two equivalent V5+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sc3+ and one V5+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to one V5+ and one Se4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ScV(SeO4)2 by Materials Project

ScV(SeO4)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sc3+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Sc–O bond distances ranging from 2.02–2.24 Å. V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.68–2.23 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.70–1.79 Å. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.71–1.77 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Sc3+ and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sc3+, one V5+, and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to two equivalent V5+ atoms. In the fourth O2- site, O2- is bonded in a linear geometry to one Sc3+ and one V5+ atom. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to one Sc3+, one V5+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one V5+ and one Se4+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Sc3+ and one Se4+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sc3+ and one Se4+ atom.

36 MATERIALS SCIENCE↗