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DOE OSTI2020

Materials Data on Sn4P2O9 by Materials Project

Sn4P2O9 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Sn2+ sites. In the first Sn2+ site, Sn2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Sn–O bond distances ranging from 2.15–2.60 Å. In the second Sn2+ site, Sn2+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Sn–O bond distances ranging from 2.12–2.34 Å. In the third Sn2+ site, Sn2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Sn–O bond distances ranging from 2.20–2.57 Å. In the fourth Sn2+ site, Sn2+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Sn–O bond distances ranging from 2.15–2.21 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.53–1.58 Å. In the second P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two Sn2+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sn2+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Sn2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Sn2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sn2+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sn2+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Sn2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two Sn2+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Sn2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SnP2O9 by Materials Project

(Sn(PO4)2)2O2 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of four water molecules and two Sn(PO4)2 sheets oriented in the (0, 0, 1) direction. In each Sn(PO4)2 sheet, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.05–2.08 Å. There are two inequivalent P sites. In the first P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with three equivalent SnO6 octahedra. The corner-sharing octahedra tilt angles range from 35–43°. There is three shorter (1.54 Å) and one longer (1.57 Å) P–O bond length. In the second P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with three equivalent SnO6 octahedra. The corner-sharing octahedra tilt angles range from 30–44°. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. There are eight inequivalent O sites. In the first O site, O is bonded in a distorted bent 150 degrees geometry to one Sn and one P atom. In the second O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the third O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the fourth O site, O is bonded in a distorted bent 150 degrees geometry to one Sn and one P atom. In the fifth O site, O is bonded in a single-bond geometry to one P atom. In the sixth O site, O is bonded in a distorted bent 150 degrees geometry to one Sn and one P atom. In the seventh O site, O is bonded in a distorted bent 150 degrees geometry to one Sn and one P atom. In the eighth O site, O is bonded in a single-bond geometry to one P atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SnP4O11 by Materials Project

SnP4O11 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sn2+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.41–2.58 Å. There are four inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SnO6 octahedra and corners with three PO4 tetrahedra. The corner-sharing octahedral tilt angles are 42°. There are a spread of P–O bond distances ranging from 1.48–1.60 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SnO6 octahedra and corners with two equivalent PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–36°. There are a spread of P–O bond distances ranging from 1.48–1.65 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SnO6 octahedra and corners with three PO4 tetrahedra. The corner-sharing octahedral tilt angles are 42°. There are a spread of P–O bond distances ranging from 1.48–1.60 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SnO6 octahedra and corners with two equivalent PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 13–45°. There are a spread of P–O bond distances ranging from 1.48–1.66 Å. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Sn2+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Sn2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P5+ atoms. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Sn2+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted linear geometry to one Sn2+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sn2+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a distorted linear geometry to one Sn2+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P5+ atoms. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SnP2O9 by Materials Project

SnP2O9 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six equivalent PO4 tetrahedra. There are four shorter (2.06 Å) and two longer (2.07 Å) Sn–O bond lengths. P is bonded to four O atoms to form PO4 tetrahedra that share corners with three equivalent SnO6 octahedra. The corner-sharing octahedra tilt angles range from 33–45°. There are a spread of P–O bond distances ranging from 1.52–1.59 Å. There are five inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the second O site, O is bonded in a distorted bent 150 degrees geometry to one Sn and one P atom. In the third O site, O is bonded in a distorted bent 150 degrees geometry to one Sn and one P atom. In the fourth O site, O is bonded in a single-bond geometry to one P and one O atom. The O–O bond length is 2.09 Å. In the fifth O site, O is bonded in a 2-coordinate geometry to two equivalent O atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SnPO3 by Materials Project

SnPO3 crystallizes in the monoclinic Cc space group. The structure is two-dimensional and consists of two SnPO3 sheets oriented in the (0, 1, 0) direction. Sn2+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Sn–O bond distances ranging from 2.17–2.22 Å. P4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Sn2+ and one P4+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Sn2+ and one P4+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sn2+ and one P4+ atom.

36 MATERIALS SCIENCE↗