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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Na5AlP2(O4F)2 by Materials Project

Na5Al(PO4)2F2 crystallizes in the trigonal P-3 space group. The structure is three-dimensional. there are six inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to three equivalent O2- and three equivalent F1- atoms to form NaO3F3 octahedra that share corners with three equivalent AlO4F2 octahedra, corners with three equivalent PO4 tetrahedra, and edges with three equivalent NaO4F2 octahedra. The corner-sharing octahedral tilt angles are 28°. All Na–O bond lengths are 2.36 Å. All Na–F bond lengths are 2.40 Å. In the second Na1+ site, Na1+ is bonded in a 6-coordinate geometry to three equivalent O2- and three equivalent F1- atoms. All Na–O bond lengths are 2.38 Å. All Na–F bond lengths are 2.36 Å. In the third Na1+ site, Na1+ is bonded in a 6-coordinate geometry to five O2- and one F1- atom. There are a spread of Na–O bond distances ranging from 2.35–2.61 Å. The Na–F bond length is 2.39 Å. In the fourth Na1+ site, Na1+ is bonded to four O2- and two equivalent F1- atoms to form distorted NaO4F2 octahedra that share corners with four equivalent PO4 tetrahedra, edges with two equivalent NaO3F3 octahedra, and edges with two equivalent AlO4F2 octahedra. There are two shorter (2.33 Å) and two longer (2.43 Å) Na–O bond lengths. Both Na–F bond lengths are 2.47 Å. In the fifth Na1+ site, Na1+ is bonded to six equivalent O2- atoms to form NaO6 octahedra that share corners with six equivalent PO4 tetrahedra and faces with two equivalent NaO6 octahedra. All Na–O bond lengths are 2.52 Å. In the sixth Na1+ site, Na1+ is bonded to six equivalent O2- atoms to form NaO6 octahedra that share corners with six equivalent PO4 tetrahedra and faces with two equivalent NaO6 octahedra. All Na–O bond lengths are 2.47 Å. Al3+ is bonded to four O2- and two equivalent F1- atoms to form AlO4F2 octahedra that share corners with two equivalent NaO3F3 octahedra, corners with four equivalent PO4 tetrahedra, and edges with two equivalent NaO4F2 octahedra. The corner-sharing octahedral tilt angles are 28°. There is two shorter (1.90 Å) and two longer (1.92 Å) Al–O bond length. Both Al–F bond lengths are 1.85 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent AlO4F2 octahedra and corners with five NaO3F3 octahedra. The corner-sharing octahedra tilt angles range from 31–68°. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to four Na1+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one P5+ atom. F1- is bonded in a 5-coordinate geometry to four Na1+ and one Al3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3Al2P2O8F3 by Materials Project

Na3Al2P2O8F3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- and three F1- atoms. There are a spread of Na–O bond distances ranging from 2.37–2.81 Å. There are a spread of Na–F bond distances ranging from 2.38–2.73 Å. In the second Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- and three F1- atoms. There are a spread of Na–O bond distances ranging from 2.35–2.81 Å. There are a spread of Na–F bond distances ranging from 2.38–2.70 Å. In the third Na1+ site, Na1+ is bonded in a 7-coordinate geometry to four O2- and three F1- atoms. There are a spread of Na–O bond distances ranging from 2.39–2.53 Å. There are a spread of Na–F bond distances ranging from 2.46–2.50 Å. In the fourth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to four O2- and three F1- atoms. There are two shorter (2.39 Å) and two longer (2.45 Å) Na–O bond lengths. There are a spread of Na–F bond distances ranging from 2.36–2.50 Å. In the fifth Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- and three F1- atoms. There are a spread of Na–O bond distances ranging from 2.35–2.82 Å. There are a spread of Na–F bond distances ranging from 2.38–2.69 Å. In the sixth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to four O2- and three F1- atoms. There are three shorter (2.43 Å) and one longer (2.44 Å) Na–O bond lengths. There are a spread of Na–F bond distances ranging from 2.37–2.50 Å. There are four inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to four O2- and two F1- atoms to form AlO4F2 octahedra that share a cornercorner with one AlO4F2 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedral tilt angles are 6°. There are a spread of Al–O bond distances ranging from 1.87–1.95 Å. There is one shorter (1.84 Å) and one longer (1.90 Å) Al–F bond length. In the second Al3+ site, Al3+ is bonded to four O2- and two F1- atoms to form AlO4F2 octahedra that share a cornercorner with one AlO4F2 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedral tilt angles are 7°. There are a spread of Al–O bond distances ranging from 1.88–1.95 Å. There is one shorter (1.84 Å) and one longer (1.90 Å) Al–F bond length. In the third Al3+ site, Al3+ is bonded to four O2- and two F1- atoms to form AlO4F2 octahedra that share a cornercorner with one AlO4F2 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedral tilt angles are 7°. There are a spread of Al–O bond distances ranging from 1.88–1.95 Å. There is one shorter (1.84 Å) and one longer (1.90 Å) Al–F bond length. In the fourth Al3+ site, Al3+ is bonded to four O2- and two F1- atoms to form AlO4F2 octahedra that share a cornercorner with one AlO4F2 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedral tilt angles are 6°. There are a spread of Al–O bond distances ranging from 1.87–1.95 Å. There is one shorter (1.84 Å) and one longer (1.90 Å) Al–F bond length. There are four inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four AlO4F2 octahedra. The corner-sharing octahedra tilt angles range from 41–45°. 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 four AlO4F2 octahedra. The corner-sharing octahedra tilt angles range from 40–44°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four AlO4F2 octahedra. The corner-sharing octahedra tilt angles range from 40–44°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four AlO4F2 octahedra. The corner-sharing octahedra tilt angles range from 40–45°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Na1+, one Al3+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Na1+, one Al3+, and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded in a 2-coordinate geometry to three Na1+ and two Al3+ atoms. In the second F1- site, F1- is bonded in a 1-coordinate geometry to three Na1+ and one Al3+ atom. In the third F1- site, F1- is bonded in a 2-coordinate geometry to three Na1+ and two Al3+ atoms. In the fourth F1- site, F1- is bonded in a 1-coordinate geometry to three Na1+ and one Al3+ atom. In the fifth F1- site, F1- is bonded in a 1-coordinate geometry to three Na1+ and one Al3+ atom. In the sixth F1- site, F1- is bonded in a 1-coordinate geometry to three Na1+ and one Al3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3Al2P2O8F3 by Materials Project

Na3Al2P2O8F3 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 7-coordinate geometry to four O2- and three F1- atoms. There are a spread of Na–O bond distances ranging from 2.37–2.46 Å. There are two shorter (2.45 Å) and one longer (2.51 Å) Na–F bond lengths. In the second Na1+ site, Na1+ is bonded in a 7-coordinate geometry to four O2- and three F1- atoms. There are a spread of Na–O bond distances ranging from 2.40–2.50 Å. There are a spread of Na–F bond distances ranging from 2.43–2.47 Å. In the third Na1+ site, Na1+ is bonded to four O2- and two F1- atoms to form distorted NaO4F2 pentagonal pyramids that share corners with six AlO4F2 octahedra and edges with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–57°. There are a spread of Na–O bond distances ranging from 2.46–2.55 Å. There are one shorter (2.38 Å) and one longer (2.40 Å) Na–F bond lengths. There are two inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to four O2- and two F1- atoms to form AlO4F2 octahedra that share a cornercorner with one AlO4F2 octahedra, corners with three equivalent NaO4F2 pentagonal pyramids, and corners with four PO4 tetrahedra. The corner-sharing octahedral tilt angles are 5°. There are a spread of Al–O bond distances ranging from 1.87–1.96 Å. There is one shorter (1.85 Å) and one longer (1.89 Å) Al–F bond length. In the second Al3+ site, Al3+ is bonded to four O2- and two F1- atoms to form AlO4F2 octahedra that share a cornercorner with one AlO4F2 octahedra, corners with three equivalent NaO4F2 pentagonal pyramids, and corners with four PO4 tetrahedra. The corner-sharing octahedral tilt angles are 5°. There are a spread of Al–O bond distances ranging from 1.87–1.96 Å. There is one shorter (1.84 Å) and one longer (1.89 Å) Al–F 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 four AlO4F2 octahedra and an edgeedge with one NaO4F2 pentagonal pyramid. The corner-sharing octahedra tilt angles range from 42–44°. There is one shorter (1.54 Å) and three longer (1.55 Å) P–O bond length. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four AlO4F2 octahedra and an edgeedge with one NaO4F2 pentagonal pyramid. The corner-sharing octahedra tilt angles range from 42–43°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Al3+, and one P5+ atom. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one Al3+ atom. In the second F1- site, F1- is bonded in a 2-coordinate geometry to two Na1+ and two Al3+ atoms. In the third F1- site, F1- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one Al3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaAlPO4F by Materials Project

NaAlPO4F crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Na1+ is bonded in a 7-coordinate geometry to six O2- and one F1- atom. There are a spread of Na–O bond distances ranging from 2.33–2.60 Å. The Na–F bond length is 2.18 Å. Al3+ is bonded to four O2- and two equivalent F1- atoms to form AlO4F2 octahedra that share corners with two equivalent AlO4F2 octahedra and corners with four equivalent PO4 tetrahedra. The corner-sharing octahedral tilt angles are 37°. There is two shorter (1.91 Å) and two longer (1.92 Å) Al–O bond length. Both Al–F bond lengths are 1.84 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent AlO4F2 octahedra. The corner-sharing octahedra tilt angles range from 32–49°. There is two shorter (1.55 Å) and two longer (1.56 Å) P–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Na1+, one Al3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Al3+, and one P5+ atom. F1- is bonded in a 3-coordinate geometry to one Na1+ and two equivalent Al3+ atoms.

36 MATERIALS SCIENCE↗