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Materials Data on Na3Fe(PO4)2 by Materials Project

Na3Fe(PO4)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two 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 2.35–2.87 Å. In the second Na1+ site, Na1+ is bonded in a 2-coordinate geometry to nine O2- atoms. There are a spread of Na–O bond distances ranging from 2.34–3.06 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six equivalent PO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 2.01–2.11 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 28–51°. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to three equivalent Na1+, one Fe3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one P5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+, one Fe3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to three Na1+, one Fe3+, and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Na3Fe(SO4)3 by Materials Project

Na3Fe(SO4)3 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.34–3.02 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six equivalent O2- atoms to form FeO6 octahedra that share corners with six equivalent SO4 tetrahedra. All Fe–O bond lengths are 2.04 Å. In the second Fe3+ site, Fe3+ is bonded to six equivalent O2- atoms to form FeO6 octahedra that share corners with six equivalent SO4 tetrahedra. All Fe–O bond lengths are 2.00 Å. S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 33–45°. There are a spread of S–O bond distances ranging from 1.46–1.52 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Fe3+, and one S6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Na1+ and one S6+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three equivalent Na1+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Na1+, one Fe3+, and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Na3Fe(SO5)3 by Materials Project

Na3Fe(SO5)3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are nine inequivalent Na sites. In the first Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.35–2.81 Å. In the second Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.36–2.81 Å. In the third Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.35–2.81 Å. In the fourth Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.36–2.88 Å. In the fifth Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.36–2.87 Å. In the sixth Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.36–2.88 Å. In the seventh Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.32–2.85 Å. In the eighth Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.32–2.84 Å. In the ninth Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.32–2.85 Å. There are four inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six SO4 tetrahedra. All Fe–O bond lengths are 2.03 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six SO4 tetrahedra. All Fe–O bond lengths are 2.03 Å. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six SO4 tetrahedra. There are three shorter (2.01 Å) and three longer (2.02 Å) Fe–O bond lengths. In the fourth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six SO4 tetrahedra. There are three shorter (2.03 Å) and three longer (2.05 Å) Fe–O bond lengths. There are nine inequivalent S sites. In the first S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 40–47°. There are a spread of S–O bond distances ranging from 1.46–1.54 Å. In the second S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 40–47°. There are a spread of S–O bond distances ranging from 1.46–1.54 Å. In the third S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 40–47°. There are a spread of S–O bond distances ranging from 1.46–1.54 Å. In the fourth S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 39–49°. There are a spread of S–O bond distances ranging from 1.46–1.53 Å. In the fifth S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 40–49°. There are a spread of S–O bond distances ranging from 1.46–1.53 Å. In the sixth S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 39–50°. There are a spread of S–O bond distances ranging from 1.46–1.53 Å. In the seventh S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 38–49°. There are a spread of S–O bond distances ranging from 1.47–1.53 Å. In the eighth S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 38–49°. There are a spread of S–O bond distances ranging from 1.47–1.53 Å. In the ninth S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 38–49°. There are a spread of S–O bond distances ranging from 1.47–1.53 Å. There are forty-five inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to two Na atoms. In the second O site, O is bonded in a 4-coordinate geometry to two Na, one Fe, and one S atom. In the third O site, O is bonded in a 4-coordinate geometry to two Na, one Fe, and one S atom. In the fourth O site, O is bonded in a 4-coordinate geometry to two Na, one Fe, and one S atom. In the fifth O site, O is bonded in a bent 150 degrees geometry to one Fe and one S atom. In the sixth O site, O is bonded in a bent 150 degrees geometry to one Fe and one S atom. In the seventh O site, O is bonded in a bent 150 degrees geometry to one Fe and one S atom. In the eighth O site, O is bonded in a 4-coordinate geometry to three Na and one S atom. In the ninth O site, O is bonded in a 4-coordinate geometry to three Na and one S atom. In the tenth O site, O is bonded in a 4-coordinate geometry to three Na and one S atom. In the eleventh O site, O is bonded in a single-bond geometry to one S atom. In the twelfth O site, O is bonded in a single-bond geometry to one S atom. In the thirteenth O site, O is bonded in a single-bond geometry to one S atom. In the fourteenth O site, O is bonded in a trigonal planar geometry to one Na, one Fe, and one S atom. In the fifteenth O site, O is bonded in a trigonal planar geometry to one Na, one Fe, and one S atom. In the sixteenth O site, O is bonded in a trigonal planar geometry to one Na, one Fe, and one S atom. In the seventeenth O site, O is bonded in a bent 150 degrees geometry to one Fe and one S atom. In the eighteenth O site, O is bonded in a bent 150 degrees geometry to one Fe and one S atom. In the nineteenth O site, O is bonded in a bent 150 degrees geometry to one Fe and one S atom. In the twentieth O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent Na and one S atom. In the twenty-first O site, O is bonded in a 2-coordinate geometry to two equivalent Na and one S atom. In the twenty-second O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent Na and one S atom. In the twenty-third O site, O is bonded in a distorted trigonal non-coplanar geometry to two Na and one S atom. In the twenty-fourth O site, O is bonded in a distorted trigonal non-coplanar geometry to two Na and one S atom. In the twenty-fifth O site, O is bonded in a distorted trigonal non-coplanar geometry to two Na and one S atom. In the twenty-sixth O site, O is bonded in a distorted trigonal planar geometry to one Na, one Fe, and one S atom. In the twenty-seventh O site, O is bonded in a distorted trigonal planar geometry to one Na, one Fe, and one S atom. In the twenty-eighth O site, O is bonded in a distorted trigonal planar geometry to one Na, one Fe, and one S atom. In the twenty-ninth O site, O is bonded in a bent 150 degrees geometry to one Fe and one S atom. In the thirtieth O site, O is bonded in a bent 150 degrees geometry to one Fe and one S atom. In the thirty-first O site, O is bonded in a bent 150 degrees geometry to one Fe and one S atom. In the thirty-second O site, O is bonded in a 2-coordinate geometry to two Na and one S atom. In the thirty-third O site, O is bonded in a 2-coordinate geometry to two Na and one S atom. In the thirty-fourth O site, O is bonded in a 2-coordinate geometry to two Na and one S atom. In the thirty-fifth O site, O is bonded in a distorted trigonal non-coplanar geometry to two Na and one S atom. In the thirty-sixth O site, O is bonded in a distorted trigonal non-coplanar geometry to two Na and one S atom. In the thirty-seventh O site, O is bonded in a distorted trigonal non-coplanar geometry to two Na and one S atom. In the thirty-eighth O site, O is bonded in a water-like geometry to two Na atoms. In the thirty-ninth O site, O is bonded in a water-like geometry to two Na atoms. In the fortieth O site, O is bonded in a water-like geometry to two Na atoms. In the forty-first O site, O is bonded in a bent 120 degrees geometry to two Na atoms. In the forty-second O site, O is bonded in a bent 120 degrees geometry to two Na atoms. In the forty-third O site, O is bonded in a bent 120 degrees geometry to two Na atoms. In the forty-fourth O site, O is bonded in a bent 120 degrees geometry to two Na atoms. In the forty-fifth O site, O is bonded in a bent 120 degrees geometry to two Na atoms.

36 MATERIALS SCIENCE↗

Materials Data on Na3Fe by Materials Project

Na3Fe is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Na is bonded in a distorted square co-planar geometry to four equivalent Fe atoms. All Na–Fe bond lengths are 3.39 Å. Fe is bonded to twelve equivalent Na atoms to form a mixture of corner and face-sharing FeNa12 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on Na3Fe by Materials Project

Na3Fe crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Na is bonded in a distorted see-saw-like geometry to four equivalent Fe atoms. There are two shorter (3.30 Å) and two longer (3.47 Å) Na–Fe bond lengths. Fe is bonded to twelve equivalent Na atoms to form a mixture of face and corner-sharing FeNa12 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on Na3Fe(BO3)2 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

36 MATERIALS SCIENCE↗

Materials Data on Na3FeS2(O4F)2 by Materials Project

Na3Fe(SO4)2F2 crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 5-coordinate geometry to four O2- and one F1- atom. There are a spread of Na–O bond distances ranging from 2.44–2.56 Å. The Na–F bond length is 2.37 Å. In the second Na1+ site, Na1+ is bonded to two equivalent O2- and four equivalent F1- atoms to form distorted NaO2F4 pentagonal pyramids that share corners with two equivalent FeO4F2 octahedra, corners with two equivalent SO4 tetrahedra, an edgeedge with one FeO4F2 octahedra, and edges with two equivalent NaO2F4 pentagonal pyramids. The corner-sharing octahedral tilt angles are 48°. Both Na–O bond lengths are 2.32 Å. There are two shorter (2.39 Å) and two longer (2.45 Å) Na–F bond lengths. Fe3+ is bonded to four O2- and two equivalent F1- atoms to form FeO4F2 octahedra that share corners with two equivalent NaO2F4 pentagonal pyramids, corners with four equivalent SO4 tetrahedra, and an edgeedge with one NaO2F4 pentagonal pyramid. There are two shorter (2.04 Å) and two longer (2.05 Å) Fe–O bond lengths. Both Fe–F bond lengths are 1.95 Å. S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with two equivalent FeO4F2 octahedra and a cornercorner with one NaO2F4 pentagonal pyramid. The corner-sharing octahedra tilt angles range from 42–43°. There are a spread of S–O bond distances ranging from 1.47–1.52 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one S6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Na1+ and one S6+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Fe3+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Fe3+, and one S6+ atom. F1- is bonded to three Na1+ and one Fe3+ atom to form a mixture of distorted corner and edge-sharing FNa3Fe tetrahedra.

36 MATERIALS SCIENCE↗