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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Na3B6PO13 by Materials Project

Na3B6PO13 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to eight O2- atoms to form NaO8 hexagonal bipyramids that share corners with two equivalent NaO8 hexagonal bipyramids, corners with two equivalent PO4 tetrahedra, and edges with four equivalent BO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.42–2.60 Å. In the second Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.48–2.72 Å. There are three inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.35–1.40 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.35–1.40 Å. In the third B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra, a cornercorner with one PO4 tetrahedra, and edges with two equivalent NaO8 hexagonal bipyramids. There is one shorter (1.42 Å) and three longer (1.50 Å) B–O bond length. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent NaO8 hexagonal bipyramids and corners with two equivalent BO4 tetrahedra. There is two shorter (1.51 Å) and two longer (1.61 Å) P–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Na1+ and two B3+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+, one B3+, and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Na1+ and two B3+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Na1+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Na1+ and two B3+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+ and two equivalent B3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na5B2P3O13 by Materials Project

Na5B2P3O13 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are five inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.31–2.54 Å. In the second Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with six PO4 tetrahedra, an edgeedge with one NaO5 trigonal bipyramid, and a faceface with one NaO5 trigonal bipyramid. There are a spread of Na–O bond distances ranging from 2.41–2.93 Å. In the third Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.33–2.51 Å. In the fourth Na1+ site, Na1+ is bonded in a 2-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.22–2.84 Å. In the fifth Na1+ site, Na1+ is bonded to five O2- atoms to form NaO5 trigonal bipyramids that share corners with five PO4 tetrahedra, an edgeedge with one NaO6 octahedra, and a faceface with one NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.36–2.59 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and corners with three PO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.43–1.52 Å. In the second B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and corners with three PO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.53 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent NaO6 octahedra, corners with two BO4 tetrahedra, and corners with two equivalent NaO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 27–64°. There are a spread of P–O bond distances ranging from 1.52–1.61 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent NaO6 octahedra, corners with two BO4 tetrahedra, and corners with two equivalent NaO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 41–55°. There are a spread of P–O bond distances ranging from 1.52–1.61 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent NaO6 octahedra, corners with two BO4 tetrahedra, and a cornercorner with one NaO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 48–58°. There are a spread of P–O bond distances ranging from 1.52–1.61 Å. There are thirteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one B3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, one B3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, one B3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one B3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to four Na1+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, one B3+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, one B3+, and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3B(PO4)2 by Materials Project

Na3BP2O8 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are four inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.32–2.65 Å. In the second Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are two shorter (2.28 Å) and four longer (2.49 Å) Na–O bond lengths. In the third Na1+ site, Na1+ is bonded in a 4-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.31–2.96 Å. In the fourth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.40–2.93 Å. B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with four PO4 tetrahedra. There is three shorter (1.48 Å) and one longer (1.51 Å) B–O bond length. 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 two equivalent BO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.51–1.61 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent BO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, one B3+, and one P5+ atom. In the third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one B3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to four Na1+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Na1+, one B3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, one B3+, and one P5+ atom.

36 MATERIALS SCIENCE↗