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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on V3(PO4)2 by Materials Project

V3(PO4)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent V2+ sites. In the first V2+ site, V2+ is bonded to six O2- atoms to form distorted VO6 octahedra that share corners with four PO4 tetrahedra, corners with four VO5 trigonal bipyramids, an edgeedge with one PO4 tetrahedra, and an edgeedge with one VO5 trigonal bipyramid. There are a spread of V–O bond distances ranging from 2.12–2.33 Å. In the second V2+ site, V2+ is bonded to five O2- atoms to form distorted VO5 trigonal bipyramids that share corners with two equivalent VO6 octahedra, corners with three PO4 tetrahedra, a cornercorner with one VO5 trigonal bipyramid, an edgeedge with one PO4 tetrahedra, and an edgeedge with one VO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 42–62°. There are a spread of V–O bond distances ranging from 2.09–2.29 Å. In the third V2+ site, V2+ is bonded to five O2- atoms to form distorted VO5 trigonal bipyramids that share corners with two equivalent VO6 octahedra, corners with five PO4 tetrahedra, a cornercorner with one VO5 trigonal bipyramid, and an edgeedge with one VO6 octahedra. The corner-sharing octahedra tilt angles range from 57–68°. There are a spread of V–O bond distances ranging from 2.11–2.24 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 a cornercorner with one VO6 octahedra, corners with three VO5 trigonal bipyramids, an edgeedge with one VO6 octahedra, and an edgeedge with one VO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 32°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent VO6 octahedra and corners with five VO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 34–61°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent V2+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two V2+ and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two V2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two V2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two V2+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two V2+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two V2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two V2+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V2Hg(P2O7)2 by Materials Project

V2Hg(P2O7)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent V3+ sites. In the first V3+ site, V3+ is bonded to six O2- atoms to form VO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of V–O bond distances ranging from 1.97–2.16 Å. In the second V3+ site, V3+ is bonded to six O2- atoms to form VO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of V–O bond distances ranging from 1.99–2.06 Å. Hg2+ is bonded in a distorted linear geometry to two equivalent O2- atoms. Both Hg–O bond lengths are 2.13 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 VO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 27–56°. There are a spread of P–O bond distances ranging from 1.50–1.61 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three VO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 35–51°. There are a spread of P–O bond distances ranging from 1.51–1.63 Å. There are seven 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 bent 120 degrees geometry to one V3+ and one P5+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one V3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to one V3+, one Hg2+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one V3+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one V3+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one V3+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrV2(P2O7)2 by Materials Project

SrV2(P2O7)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Sr2+ is bonded to six O2- atoms to form distorted SrO6 octahedra that share corners with two equivalent VO6 octahedra, corners with six PO4 tetrahedra, and edges with two equivalent VO6 octahedra. The corner-sharing octahedral tilt angles are 64°. There are a spread of Sr–O bond distances ranging from 2.50–2.82 Å. There are two inequivalent V3+ sites. In the first V3+ site, V3+ is bonded to six O2- atoms to form VO6 octahedra that share corners with six PO4 tetrahedra and edges with two equivalent SrO6 octahedra. There are a spread of V–O bond distances ranging from 1.98–2.15 Å. In the second V3+ site, V3+ is bonded to six O2- atoms to form VO6 octahedra that share corners with two equivalent SrO6 octahedra and corners with six PO4 tetrahedra. The corner-sharing octahedral tilt angles are 64°. There are a spread of V–O bond distances ranging from 1.98–2.14 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 a cornercorner with one SrO6 octahedra, corners with three VO6 octahedra, and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 22–65°. There are a spread of P–O bond distances ranging from 1.51–1.60 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SrO6 octahedra, corners with three VO6 octahedra, and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 31–63°. There are a spread of P–O bond distances ranging from 1.51–1.62 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one V3+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one V3+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V3+, 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 2-coordinate geometry to one Sr2+, one V3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one V3+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba2V3P6HO22 by Materials Project

Ba2V3P6HO22 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.04 Å. There are two inequivalent V3+ sites. In the first V3+ site, V3+ is bonded to six O2- atoms to form VO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of V–O bond distances ranging from 2.00–2.11 Å. In the second V3+ site, V3+ is bonded to six O2- atoms to form VO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of V–O bond distances ranging from 1.96–2.11 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 three equivalent VO6 octahedra. The corner-sharing octahedra tilt angles range from 34–46°. There are a spread of P–O bond distances ranging from 1.54–1.59 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three VO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 35–56°. There are a spread of P–O bond distances ranging from 1.52–1.62 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three VO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 27–49°. There are a spread of P–O bond distances ranging from 1.51–1.62 Å. H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.20 Å. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one V3+ and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Ba2+, one V3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one V3+, one P5+, and one H1+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Ba2+, one V3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Ba2+, one V3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one V3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one Ba2+, one V3+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to one Ba2+, one V3+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one V3+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2VFeP2(O4F)2 by Materials Project

Li2VFeP2(O4F)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- and one F1- atom to form distorted LiO4F square pyramids that share corners with two equivalent FeO4F2 octahedra, corners with two PO4 tetrahedra, an edgeedge with one VO4F2 octahedra, an edgeedge with one FeO4F2 octahedra, an edgeedge with one LiO4F square pyramid, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 51–60°. There are a spread of Li–O bond distances ranging from 2.08–2.22 Å. The Li–F bond length is 1.93 Å. In the second Li1+ site, Li1+ is bonded to four O2- and one F1- atom to form distorted LiO4F square pyramids that share corners with two equivalent FeO4F2 octahedra, corners with two equivalent PO4 tetrahedra, edges with two equivalent VO4F2 octahedra, an edgeedge with one LiO4F square pyramid, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 51–60°. There are a spread of Li–O bond distances ranging from 2.08–2.22 Å. The Li–F bond length is 1.93 Å. In the third Li1+ site, Li1+ is bonded to four O2- and one F1- atom to form distorted LiO4F square pyramids that share corners with two equivalent VO4F2 octahedra, corners with two PO4 tetrahedra, an edgeedge with one VO4F2 octahedra, an edgeedge with one FeO4F2 octahedra, an edgeedge with one LiO4F square pyramid, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–61°. There are a spread of Li–O bond distances ranging from 2.08–2.22 Å. The Li–F bond length is 1.92 Å. There are two inequivalent V3+ sites. In the first V3+ site, V3+ is bonded to four O2- and two equivalent F1- atoms to form VO4F2 octahedra that share corners with two equivalent FeO4F2 octahedra, corners with four equivalent LiO4F square pyramids, and corners with four PO4 tetrahedra. The corner-sharing octahedral tilt angles are 48°. There are two shorter (2.00 Å) and two longer (2.02 Å) V–O bond lengths. Both V–F bond lengths are 2.04 Å. In the second V3+ site, V3+ is bonded to four O2- and two F1- atoms to form VO4F2 octahedra that share corners with two equivalent FeO4F2 octahedra, corners with four PO4 tetrahedra, and edges with four LiO4F square pyramids. The corner-sharing octahedral tilt angles are 48°. There are two shorter (1.98 Å) and two longer (2.06 Å) V–O bond lengths. Both V–F bond lengths are 2.03 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to four O2- and two equivalent F1- atoms to form FeO4F2 octahedra that share corners with two equivalent VO4F2 octahedra, corners with four equivalent PO4 tetrahedra, and edges with four LiO4F square pyramids. The corner-sharing octahedral tilt angles are 48°. There are two shorter (1.97 Å) and two longer (2.05 Å) Fe–O bond lengths. Both Fe–F bond lengths are 2.01 Å. In the second Fe3+ site, Fe3+ is bonded to four O2- and two F1- atoms to form FeO4F2 octahedra that share corners with two equivalent VO4F2 octahedra, corners with four LiO4F square pyramids, and corners with four PO4 tetrahedra. The corner-sharing octahedral tilt angles are 48°. There are a spread of Fe–O bond distances ranging from 1.98–2.02 Å. Both Fe–F bond lengths are 2.03 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 a cornercorner with one FeO4F2 octahedra, corners with three VO4F2 octahedra, corners with two LiO4F square pyramids, and an edgeedge with one LiO4F square pyramid. The corner-sharing octahedra tilt angles range from 32–54°. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent VO4F2 octahedra, corners with two equivalent FeO4F2 octahedra, corners with two equivalent LiO4F square pyramids, and an edgeedge with one LiO4F square pyramid. The corner-sharing octahedra tilt angles range from 32–54°. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one VO4F2 octahedra, corners with three FeO4F2 octahedra, corners with two LiO4F square pyramids, and an edgeedge with one LiO4F square pyramid. The corner-sharing octahedra tilt angles range from 31–54°. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the third O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Li1+, one Fe3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one V3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+, one V3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Li1+, one V3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+, one V3+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one V3+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two equivalent Li1+, one V3+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+, one Fe3+, and one P5+ atom. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+, one V3+, and one Fe3+ atom. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+, one V3+, and one Fe3+ atom. In the third F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+, one V3+, and one Fe3+ atom.

36 MATERIALS SCIENCE↗