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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on CsInP2O7 by Materials Project

CsInP2O7 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Cs1+ is bonded in a 8-coordinate geometry to ten O2- atoms. There are a spread of Cs–O bond distances ranging from 3.05–3.55 Å. In3+ is bonded to six O2- atoms to form InO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of In–O bond distances ranging from 2.14–2.18 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 equivalent InO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 16–46°. There are a spread of P–O bond distances ranging from 1.51–1.63 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent InO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 19–51°. There are a spread of P–O bond distances ranging from 1.52–1.64 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Cs1+, one In3+, and one P5+ atom. In the second O2- site, O2- is bonded in a distorted linear geometry to one Cs1+, one In3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Cs1+, one In3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Cs1+, one In3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cs1+ and two P5+ atoms. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Cs1+, one In3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to one Cs1+, one In3+, and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cs3In3(PO4)4 by Materials Project

Cs3In3(PO4)4 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 4-coordinate geometry to nine O2- atoms. There are a spread of Cs–O bond distances ranging from 3.05–3.59 Å. In the second Cs1+ site, Cs1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Cs–O bond distances ranging from 2.92–3.67 Å. There are two inequivalent In3+ sites. In the first In3+ site, In3+ is bonded to six O2- atoms to form InO6 octahedra that share corners with two equivalent InO6 octahedra and corners with six PO4 tetrahedra. The corner-sharing octahedral tilt angles are 69°. There are a spread of In–O bond distances ranging from 2.14–2.24 Å. In the second In3+ site, In3+ is bonded to six O2- atoms to form InO6 octahedra that share a cornercorner with one InO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedral tilt angles are 69°. There are a spread of In–O bond distances ranging from 2.12–2.28 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 InO6 octahedra and an edgeedge with one InO6 octahedra. The corner-sharing octahedra tilt angles range from 41–48°. There are a spread of P–O bond distances ranging from 1.54–1.60 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four InO6 octahedra. The corner-sharing octahedra tilt angles range from 34–47°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two Cs1+, one In3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Cs1+, one In3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two Cs1+, one In3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two In3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two Cs1+, one In3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to three Cs1+, one In3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Cs1+, one In3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to two Cs1+, one In3+, and one P5+ atom.

36 MATERIALS SCIENCE↗