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DOE OSTI2020

Materials Data on Ba6Na16N by Materials Project

Na16Ba6N crystallizes in the cubic Im-3m space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded in a 10-coordinate geometry to eight Na and two equivalent Ba atoms. There are a spread of Na–Na bond distances ranging from 3.54–3.78 Å. Both Na–Ba bond lengths are 4.30 Å. In the second Na site, Na is bonded to six equivalent Na and six equivalent Ba atoms to form NaBa6Na6 cuboctahedra that share corners with six equivalent NaBa6Na6 cuboctahedra, faces with six equivalent NaBa6Na6 cuboctahedra, and faces with two equivalent NBa6 octahedra. All Na–Ba bond lengths are 4.39 Å. Ba is bonded in a single-bond geometry to eight Na and one N atom. The Ba–N bond length is 2.84 Å. N is bonded to six equivalent Ba atoms to form NBa6 octahedra that share faces with eight equivalent NaBa6Na6 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaH2ClO5 by Materials Project

NaH2O5Cl crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded to six O atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra and corners with four equivalent ClO4 tetrahedra. The corner-sharing octahedral tilt angles are 61°. There are a spread of Na–O bond distances ranging from 2.40–2.42 Å. In the second Na site, Na is bonded to six O atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra and corners with four equivalent ClO4 tetrahedra. The corner-sharing octahedral tilt angles are 61°. There are a spread of Na–O bond distances ranging from 2.38–2.45 Å. There are two inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. There are five inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Na and one Cl atom. The O–Cl bond length is 1.47 Å. In the second O site, O is bonded in a bent 150 degrees geometry to one Na and one Cl atom. The O–Cl bond length is 1.45 Å. In the third O site, O is bonded in a distorted bent 150 degrees geometry to one Na and one Cl atom. The O–Cl bond length is 1.46 Å. In the fourth O site, O is bonded in a distorted bent 150 degrees geometry to one Na and one Cl atom. The O–Cl bond length is 1.46 Å. In the fifth O site, O is bonded in a distorted water-like geometry to two Na and two H atoms. Cl is bonded to four O atoms to form ClO4 tetrahedra that share corners with four NaO6 octahedra. The corner-sharing octahedra tilt angles range from 42–44°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K3Na2SnBi3 by Materials Project

K3Na2SnBi3 crystallizes in the orthorhombic Ibca space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 5-coordinate geometry to one Sn and five Bi atoms. The K–Sn bond length is 4.03 Å. There are a spread of K–Bi bond distances ranging from 3.72–3.96 Å. In the second K site, K is bonded in a 5-coordinate geometry to two equivalent Sn and five Bi atoms. Both K–Sn bond lengths are 3.94 Å. There are a spread of K–Bi bond distances ranging from 3.66–3.88 Å. There are two inequivalent Na sites. In the first Na site, Na is bonded to one Sn and four equivalent Bi atoms to form distorted NaSnBi4 tetrahedra that share corners with two equivalent SnK4Na4Bi4 cuboctahedra, a cornercorner with one NaSn3Bi4 tetrahedra, an edgeedge with one SnK4Na4Bi4 cuboctahedra, and edges with five NaSnBi4 tetrahedra. The Na–Sn bond length is 3.72 Å. There are two shorter (3.20 Å) and two longer (3.42 Å) Na–Bi bond lengths. In the second Na site, Na is bonded to three equivalent Sn and four Bi atoms to form distorted NaSn3Bi4 tetrahedra that share corners with three NaSnBi4 tetrahedra, edges with three equivalent SnK4Na4Bi4 cuboctahedra, edges with three equivalent NaSnBi4 tetrahedra, and faces with two equivalent NaSn3Bi4 tetrahedra. There are two shorter (3.64 Å) and one longer (3.72 Å) Na–Sn bond lengths. There are two shorter (3.17 Å) and two longer (3.25 Å) Na–Bi bond lengths. Sn is bonded to four K, four Na, and four Bi atoms to form distorted SnK4Na4Bi4 cuboctahedra that share corners with two equivalent SnK4Na4Bi4 cuboctahedra, corners with two equivalent NaSnBi4 tetrahedra, edges with four NaSnBi4 tetrahedra, and faces with two equivalent SnK4Na4Bi4 cuboctahedra. There are two shorter (3.00 Å) and two longer (3.10 Å) Sn–Bi bond lengths. There are two inequivalent Bi sites. In the first Bi site, Bi is bonded in a 9-coordinate geometry to five K, two equivalent Na, and two equivalent Sn atoms. In the second Bi site, Bi is bonded in a 9-coordinate geometry to five K, three Na, and one Sn 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 NaAlSi2H2O7 by Materials Project

Na(Si2Al)O6H2O crystallizes in the triclinic P-1 space group. The structure is two-dimensional and consists of two oxosilanol molecules and one Na4Al4Si7(H4O13)2 sheet oriented in the (1, 0, 0) direction. In the Na4Al4Si7(H4O13)2 sheet, there are four inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 2-coordinate geometry to two Al3+, one H1+, and two O2- atoms. There are one shorter (2.32 Å) and one longer (2.41 Å) Na–Al bond lengths. The Na–H bond length is 2.49 Å. There are one shorter (1.85 Å) and one longer (2.17 Å) Na–O bond lengths. In the second Na1+ site, Na1+ is bonded in a 1-coordinate geometry to one Al3+, one Si4+, one H1+, and six O2- atoms. The Na–Al bond length is 2.23 Å. The Na–Si bond length is 2.22 Å. The Na–H bond length is 2.05 Å. There are a spread of Na–O bond distances ranging from 2.06–2.81 Å. In the third Na1+ site, Na1+ is bonded in a 1-coordinate geometry to one H1+ and two O2- atoms. The Na–H bond length is 1.82 Å. There are one shorter (2.30 Å) and one longer (3.01 Å) Na–O bond lengths. In the fourth Na1+ site, Na1+ is bonded in a 1-coordinate geometry to one H1+ and two O2- atoms. The Na–H bond length is 2.23 Å. There are one shorter (1.74 Å) and one longer (2.42 Å) Na–O bond lengths. There are four inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded in a distorted L-shaped geometry to three O2- atoms. There are a spread of Al–O bond distances ranging from 1.53–2.19 Å. In the second Al3+ site, Al3+ is bonded in a 2-coordinate geometry to two Na1+ and four O2- atoms. There are a spread of Al–O bond distances ranging from 1.92–2.61 Å. In the third Al3+ site, Al3+ is bonded in a 6-coordinate geometry to one Na1+, one H1+, and four O2- atoms. The Al–H bond length is 2.02 Å. There are a spread of Al–O bond distances ranging from 2.15–2.38 Å. In the fourth Al3+ site, Al3+ is bonded in a distorted single-bond geometry to three O2- atoms. There are a spread of Al–O bond distances ranging from 1.32–2.05 Å. There are seven inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded in a distorted L-shaped geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.58 Å) Si–O bond length. In the second Si4+ site, Si4+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (0.89 Å) and one longer (1.83 Å) Si–O bond length. In the third Si4+ site, Si4+ is bonded in a distorted water-like geometry to three O2- atoms. There are a spread of Si–O bond distances ranging from 1.50–2.51 Å. In the fourth Si4+ site, Si4+ is bonded in a 2-coordinate geometry to three O2- atoms. There are a spread of Si–O bond distances ranging from 1.57–2.22 Å. In the fifth Si4+ site, Si4+ is bonded in a 1-coordinate geometry to one Na1+, one H1+, and four O2- atoms. The Si–H bond length is 1.88 Å. There are a spread of Si–O bond distances ranging from 1.65–2.35 Å. In the sixth Si4+ site, Si4+ is bonded in a 1-coordinate geometry to three O2- atoms. There are a spread of Si–O bond distances ranging from 1.40–1.92 Å. In the seventh Si4+ site, Si4+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.18 Å) and one longer (2.02 Å) Si–O bond length. There are eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.76 Å. In the second H1+ site, H1+ is bonded in a distorted bent 120 degrees geometry to one Na1+ and one O2- atom. The H–O bond length is 1.42 Å. In the third H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.21 Å. In the fourth H1+ site, H1+ is bonded in a distorted single-bond geometry to one H1+ and one O2- atom. The H–H bond length is 0.91 Å. The H–O bond length is 0.87 Å. In the fifth H1+ site, H1+ is bonded in a 1-coordinate geometry to one Na1+, one Al3+, and one O2- atom. The H–O bond length is 1.78 Å. In the sixth H1+ site, H1+ is bonded in a water-like geometry to one Na1+ and one O2- atom. The H–O bond length is 1.25 Å. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one H1+ and two O2- atoms. There is one shorter (0.62 Å) and one longer (1.67 Å) H–O bond length. In the eighth H1+ site, H1+ is bonded in a distorted single-bond geometry to one Na1+, one Si4+, and one O2- atom. The H–O bond length is 1.29 Å. There are twenty-six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one Al3+ and one Si4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+ and one Al3+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Al3+, and one Si4+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two Si4+ atoms. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Al3+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Si4+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one Na1+ and two H1+ atoms. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Al3+, and one H1+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Si4+, and one O2- atom. The O–O bond length is 1.65 Å. In the tenth O2- site, O2- is bonded in a single-bond geometry to one Na1+ and one Al3+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to one Si4+ atom. In the twelfth O2- site, O2- is bonded in a 6-coordinate geometry to two Si4+ and one O2- atom. In the thirteenth O2- site, O2- is bonded in a 2-coordinate geometry to two H1+ atoms. In the fourteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two H1+ atoms. In the fifteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, two H1+, and one O2- atom. The O–O bond length is 1.74 Å. In the sixteenth O2- site, O2- is bonded in a distorted linear geometry to one Na1+, one Al3+, and one Si4+ atom. In the seventeenth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+ atom. In the eighteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Si4+, and one O2- atom. In the nineteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Al3+ atom. In the twentieth O2- site, O2- is bonded in a distorted single-bond geometry to one Si4+ atom. In the twenty-first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the twenty-second O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the twenty-third O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Al3+, and one Si4+ atom. In the twenty-fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Si4+ atoms. In the twenty-fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Al3+, one Si4+, and one O2- atom. The O–O bond length is 1.50 Å. In the twenty-sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Al3+, one Si4+, and one O2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3Zr2Si2PO12 by Materials Project

Na3Zr2Si2PO12 is Esseneite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a distorted hexagonal planar geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.54–2.87 Å. In the second Na1+ site, Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.32–2.69 Å. In the third 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 2.47–2.73 Å. In the fourth Na1+ site, Na1+ is bonded in a distorted pentagonal planar geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.38–2.63 Å. In the fifth 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 2.48–2.84 Å. In the sixth Na1+ site, Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.35–2.66 Å. In the seventh 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 2.37–2.73 Å. In the eighth 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 2.48–2.78 Å. In the ninth 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 2.37–2.76 Å. In the tenth 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 2.50–2.83 Å. In the eleventh Na1+ site, Na1+ is bonded in a distorted hexagonal planar geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.41–2.73 Å. In the twelfth 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 2.35–2.73 Å. There are eight inequivalent Zr4+ sites. In the first Zr4+ site, Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two PO4 tetrahedra and corners with four SiO4 tetrahedra. There are a spread of Zr–O bond distances ranging from 2.01–2.23 Å. In the second Zr4+ site, Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two PO4 tetrahedra and corners with four SiO4 tetrahedra. There are a spread of Zr–O bond distances ranging from 2.02–2.22 Å. In the third Zr4+ site, Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two PO4 tetrahedra and corners with four SiO4 tetrahedra. There are a spread of Zr–O bond distances ranging from 2.06–2.20 Å. In the fourth Zr4+ site, Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two PO4 tetrahedra and corners with four SiO4 tetrahedra. There are a spread of Zr–O bond distances ranging from 1.99–2.25 Å. In the fifth Zr4+ site, Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two PO4 tetrahedra and corners with four SiO4 tetrahedra. There are a spread of Zr–O bond distances ranging from 2.07–2.18 Å. In the sixth Zr4+ site, Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two PO4 tetrahedra and corners with four SiO4 tetrahedra. There are a spread of Zr–O bond distances ranging from 2.00–2.25 Å. In the seventh Zr4+ site, Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two PO4 tetrahedra and corners with four SiO4 tetrahedra. There are a spread of Zr–O bond distances ranging from 2.01–2.28 Å. In the eighth Zr4+ site, Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two PO4 tetrahedra and corners with four SiO4 tetrahedra. There are a spread of Zr–O bond distances ranging from 2.02–2.28 Å. There are eight inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 25–43°. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 19–44°. There is one shorter (1.62 Å) and three longer (1.64 Å) Si–O bond length. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 20–39°. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 25–41°. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the fifth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 22–43°. All Si–O bond lengths are 1.64 Å. In the sixth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 16–44°. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the seventh Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 22–39°. There is three shorter (1.64 Å) and one longer (1.65 Å) Si–O bond length. In the eighth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 20–45°. There is three shorter (1.64 Å) and one longer (1.65 Å) Si–O 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 ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 20–42°. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 17–43°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 19–42°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 22–42°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. There are forty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Zr4+, and one Si4+ atom. In the second O2- site, O2- is bonded in a distorted linear geometry to one Zr4+ and one P5+ atom. In the third O2- site, O2- is bonded in a 5-coordinate geometry to three Na1+, one Zr4+, and one Si4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Zr4+, and one Si4+ atom. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Na1+, one Zr4+, and one Si4+ atom. In the sixth O2- site, O2- is bonded in a distorted T-shaped geometry to one Na1+, one Zr4+, and one Si4+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the ninth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Na1+, one Zr4+, and one Si4+ atom. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Zr4+, and one Si4+ atom. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Zr4+, and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Zr4+, and one Si4+ atom. In the fifteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Na1+, one Zr4+, and one Si4+ atom. In the sixteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the seventeenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the eighteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the nineteenth O2- site, O2- is bonded in a distorted T-shaped geometry to one Na1+, one Zr4+, and one Si4+ atom. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Zr4+, and one Si4+ atom. In the twenty-first O2- site, O2- is bonded in a distorted T-shaped geometry to one Na1+, one Zr4+, and one Si4+ atom. In the twenty-second O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Zr4+, and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+, one Zr4+, and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one P5+ atom. In the twenty-fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Na1+, one Zr4+, and one Si4+ atom. In the twenty-seventh O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Zr4+, and one Si4+ atom. In the twenty-eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the twenty-ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the thirtieth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one P5+ atom. In the thirty-first O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+, one Zr4+, and one P5+ atom. In the thirty-second O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the thirty-third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Na1+, one Zr4+, and one P5+ atom. In the thirty-fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Zr4+, and one Si4+ atom. In the thirty-fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Na1+, one Zr4+, and one Si4+ atom. In the thirty-sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the thirty-seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Zr4+, and one Si4+ atom. In the thirty-eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the thirty-ninth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Zr4+, and one P5+ atom. In the fortieth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+, one Zr4+, and one P5+ atom. In the forty-first O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one P5+ atom. In the forty-second O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one Si4+ atom. In the forty-third O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Zr4+, and one P5+ atom. In the forty-fourth O2-

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3H(SO4)2 by Materials Project

Na3H(SO4)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with two NaO6 octahedra and corners with six SO4 tetrahedra. The corner-sharing octahedra tilt angles range from 76–78°. There are a spread of Na–O bond distances ranging from 2.22–2.61 Å. In the second Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with six SO4 tetrahedra and faces with two NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.36–2.68 Å. In the third Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share a cornercorner with one NaO6 octahedra, corners with six SO4 tetrahedra, and a faceface with one NaO6 octahedra. The corner-sharing octahedral tilt angles are 76°. There are a spread of Na–O bond distances ranging from 2.42–2.52 Å. In the fourth 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 2.35–2.93 Å. In the fifth Na1+ site, Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with two NaO6 octahedra and corners with six SO4 tetrahedra. The corner-sharing octahedra tilt angles range from 75–77°. There are a spread of Na–O bond distances ranging from 2.21–2.58 Å. In the sixth Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with six SO4 tetrahedra and faces with two NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.30–2.65 Å. In the seventh Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share a cornercorner with one NaO6 octahedra, corners with six SO4 tetrahedra, and a faceface with one NaO6 octahedra. The corner-sharing octahedral tilt angles are 75°. There are a spread of Na–O bond distances ranging from 2.36–2.57 Å. In the eighth 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 2.36–2.87 Å. In the ninth Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share a cornercorner with one NaO6 octahedra, corners with six SO4 tetrahedra, and a faceface with one NaO6 octahedra. The corner-sharing octahedral tilt angles are 78°. There are a spread of Na–O bond distances ranging from 2.36–2.54 Å. In the tenth 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 2.35–2.92 Å. In the eleventh Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share a cornercorner with one NaO6 octahedra, corners with six SO4 tetrahedra, and a faceface with one NaO6 octahedra. The corner-sharing octahedral tilt angles are 77°. There are a spread of Na–O bond distances ranging from 2.37–2.53 Å. In the twelfth 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 2.34–2.91 Å. There are four inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.11 Å) and one longer (1.34 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.10 Å) and one longer (1.35 Å) H–O bond length. In the third H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.08 Å) and one longer (1.38 Å) H–O bond length. In the fourth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.13 Å) and one longer (1.30 Å) H–O bond length. There are eight inequivalent S6+ sites. In the first S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with six NaO6 octahedra. The corner-sharing octahedra tilt angles range from 35–55°. There are a spread of S–O bond distances ranging from 1.48–1.52 Å. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with six NaO6 octahedra. The corner-sharing octahedra tilt angles range from 32–52°. There are a spread of S–O bond distances ranging from 1.47–1.55 Å. In the third S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with six NaO6 octahedra. The corner-sharing octahedra tilt angles range from 34–56°. There are a spread of S–O bond distances ranging from 1.48–1.52 Å. In the fourth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with six NaO6 octahedra. The corner-sharing octahedra tilt angles range from 34–54°. There are a spread of S–O bond distances ranging from 1.48–1.51 Å. In the fifth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with six NaO6 octahedra. The corner-sharing octahedra tilt angles range from 29–54°. There are a spread of S–O bond distances ranging from 1.46–1.56 Å. In the sixth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with six NaO6 octahedra. The corner-sharing octahedra tilt angles range from 35–51°. There are a spread of S–O bond distances ranging from 1.46–1.54 Å. In the seventh S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with six NaO6 octahedra. The corner-sharing octahedra tilt angles range from 34–55°. There are a spread of S–O bond distances ranging from 1.47–1.52 Å. In the eighth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with six NaO6 octahedra. The corner-sharing octahedra tilt angles range from 34–50°. There are a spread of S–O bond distances ranging from 1.47–1.55 Å. There are thirty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one S6+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one S6+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one H1+, and one S6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one H1+, and one S6+ atom. In the seventh O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to four Na1+ and one S6+ atom. In the ninth O2- site, O2- is bonded to three Na1+ and one S6+ atom to form distorted corner-sharing ONa3S trigonal pyramids. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one S6+ atom. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one H1+, and one S6+ atom. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one S6+ atom. In the thirteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one S6+ atom. In the fourteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one H1+, and one S6+ atom. In the fifteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one S6+ atom. In the sixteenth O2- site, O2- is bonded in a 1-coordinate geometry to four Na1+ and one S6+ atom. In the seventeenth O2- site, O2- is bonded to three Na1+ and one S6+ atom to form distorted corner-sharing ONa3S trigonal pyramids. In the eighteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one S6+ atom. In the nineteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one H1+, and one S6+ atom. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one S6+ atom. In the twenty-first O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one S6+ atom. In the twenty-second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one H1+, and one S6+ atom. In the twenty-third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one S6+ atom. In the twenty-fourth O2- site, O2- is bonded in a 1-coordinate geometry to four Na1+ and one S6+ atom. In the twenty-fifth O2- site, O2- is bonded to three Na1+ and one S6+ atom to form a mixture of distorted edge and corner-sharing ONa3S trigonal pyramids. In the twenty-sixth O2- site, O2- is bonded to three Na1+ and one S6+ atom to form a mixture of distorted edge and corner-sharing ONa3S trigonal pyramids. In the twenty-seventh O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one H1+, and one S6+ atom. In the twenty-eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one S6+ atom. In the twenty-ninth O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one S6+ atom. In the thirtieth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one H1+, and one S6+ atom. In the thirty-first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one S6+ atom. In the thirty-second O2- site, O2- is bonded in a 1-coordinate geometry to four Na1+ and one S6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na6SbO5 by Materials Project

Na6SbO5 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are three inequivalent Na sites. In the first Na site, Na is bonded in a 5-coordinate geometry to five O atoms. There are a spread of Na–O bond distances ranging from 2.46–2.57 Å. In the second Na site, Na is bonded to four equivalent O atoms to form distorted NaO4 tetrahedra that share corners with four equivalent SbO5 square pyramids and edges with two equivalent NaO4 tetrahedra. There are two shorter (2.32 Å) and two longer (2.33 Å) Na–O bond lengths. In the third Na site, Na is bonded in a 5-coordinate geometry to five O atoms. There are a spread of Na–O bond distances ranging from 2.32–2.73 Å. Sb is bonded to five O atoms to form distorted SbO5 square pyramids that share corners with eight equivalent NaO4 tetrahedra. There are one shorter (2.02 Å) and four longer (2.11 Å) Sb–O bond lengths. There are two inequivalent O sites. In the first O site, O is bonded in a 5-coordinate geometry to four Na and one Sb atom. In the second O site, O is bonded to six Na and one Sb atom to form a mixture of distorted edge, corner, and face-sharing ONa6Sb pentagonal bipyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na2CdO3 by Materials Project

Na2CdO3 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Na sites. In the first Na site, Na is bonded to six O atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra, corners with four equivalent CdO6 octahedra, edges with four equivalent CdO6 octahedra, and edges with eight NaO6 octahedra. The corner-sharing octahedra tilt angles range from 7–8°. There are two shorter (2.34 Å) and four longer (2.50 Å) Na–O bond lengths. In the second Na site, Na is bonded to six O atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra, corners with four equivalent CdO6 octahedra, edges with four equivalent CdO6 octahedra, and edges with eight NaO6 octahedra. The corner-sharing octahedra tilt angles range from 6–8°. There are a spread of Na–O bond distances ranging from 2.37–2.52 Å. In the third Na site, Na is bonded to six O atoms to form NaO6 octahedra that share corners with six NaO6 octahedra, edges with six NaO6 octahedra, and edges with six equivalent CdO6 octahedra. The corner-sharing octahedral tilt angles are 8°. All Na–O bond lengths are 2.42 Å. Cd is bonded to six O atoms to form CdO6 octahedra that share corners with six NaO6 octahedra, edges with three equivalent CdO6 octahedra, and edges with nine NaO6 octahedra. The corner-sharing octahedra tilt angles range from 6–8°. There are four shorter (2.25 Å) and two longer (2.26 Å) Cd–O bond lengths. There are two inequivalent O sites. In the first O site, O is bonded to four Na and two equivalent Cd atoms to form a mixture of edge and corner-sharing ONa4Cd2 octahedra. The corner-sharing octahedra tilt angles range from 0–8°. In the second O site, O is bonded to four Na and two equivalent Cd atoms to form a mixture of edge and corner-sharing ONa4Cd2 octahedra. The corner-sharing octahedra tilt angles range from 0–6°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3BiO3 by Materials Project

Na3BiO3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are twelve inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to four O2- atoms to form a mixture of edge and corner-sharing NaO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.34–2.43 Å. In the second Na1+ site, Na1+ is bonded in a 4-coordinate geometry to three O2- atoms. There are a spread of Na–O bond distances ranging from 2.27–2.30 Å. In the third Na1+ site, Na1+ is bonded to four O2- atoms to form distorted NaO4 tetrahedra that share a cornercorner with one NaO5 square pyramid, a cornercorner with one NaO4 trigonal pyramid, edges with two NaO4 tetrahedra, and an edgeedge with one NaO4 trigonal pyramid. There are a spread of Na–O bond distances ranging from 2.29–2.40 Å. In the fourth 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 2.33–2.87 Å. In the fifth Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.34–2.58 Å. In the sixth Na1+ site, Na1+ is bonded to four O2- atoms to form distorted NaO4 trigonal pyramids that share a cornercorner with one NaO5 square pyramid, corners with three NaO4 tetrahedra, a cornercorner with one NaO5 trigonal bipyramid, a cornercorner with one NaO4 trigonal pyramid, an edgeedge with one NaO5 square pyramid, and an edgeedge with one NaO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.32–2.43 Å. In the seventh Na1+ site, Na1+ is bonded to four O2- atoms to form NaO4 tetrahedra that share corners with two NaO4 tetrahedra, a cornercorner with one NaO5 trigonal bipyramid, a cornercorner with one NaO4 trigonal pyramid, an edgeedge with one NaO5 square pyramid, and edges with two NaO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.26–2.38 Å. In the eighth Na1+ site, Na1+ is bonded to four O2- atoms to form distorted NaO4 tetrahedra that share a cornercorner with one NaO5 square pyramid, corners with three NaO4 tetrahedra, a cornercorner with one NaO5 trigonal bipyramid, corners with three NaO4 trigonal pyramids, and an edgeedge with one NaO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.29–2.40 Å. In the ninth Na1+ site, Na1+ is bonded to five O2- atoms to form distorted NaO5 trigonal bipyramids that share corners with two NaO4 tetrahedra, corners with three NaO4 trigonal pyramids, edges with two equivalent NaO5 square pyramids, an edgeedge with one NaO4 tetrahedra, and an edgeedge with one NaO5 trigonal bipyramid. There are a spread of Na–O bond distances ranging from 2.42–2.55 Å. In the tenth Na1+ site, Na1+ is bonded to four O2- atoms to form distorted NaO4 tetrahedra that share a cornercorner with one NaO5 square pyramid, corners with two NaO4 tetrahedra, edges with three NaO4 tetrahedra, and an edgeedge with one NaO5 trigonal bipyramid. There are a spread of Na–O bond distances ranging from 2.29–2.49 Å. In the eleventh Na1+ site, Na1+ is bonded to four O2- atoms to form NaO4 trigonal pyramids that share corners with three NaO4 tetrahedra, corners with two equivalent NaO5 trigonal bipyramids, a cornercorner with one NaO4 trigonal pyramid, an edgeedge with one NaO5 square pyramid, and an edgeedge with one NaO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.25–2.39 Å. In the twelfth Na1+ site, Na1+ is bonded to five O2- atoms to form distorted NaO5 square pyramids that share corners with three NaO4 tetrahedra, a cornercorner with one NaO4 trigonal pyramid, an edgeedge with one NaO4 tetrahedra, edges with two equivalent NaO5 trigonal bipyramids, and edges with two NaO4 trigonal pyramids. There are a spread of Na–O bond distances ranging from 2.33–2.47 Å. There are four inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are two shorter (2.10 Å) and one longer (2.13 Å) Bi–O bond lengths. In the second Bi3+ site, Bi3+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are two shorter (2.11 Å) and one longer (2.13 Å) Bi–O bond lengths. In the third Bi3+ site, Bi3+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Bi–O bond distances ranging from 2.08–2.12 Å. In the fourth Bi3+ site, Bi3+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Bi–O bond distances ranging from 2.10–2.12 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to four Na1+ and one Bi3+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one Bi3+ atom. In the third O2- site, O2- is bonded in a 5-coordinate geometry to four Na1+ and one Bi3+ atom. In the fourth O2- site, O2- is bonded to four Na1+ and one Bi3+ atom to form ONa4Bi trigonal bipyramids that share corners with two ONa5Bi octahedra, corners with two equivalent ONa4Bi square pyramids, corners with three ONa4Bi trigonal bipyramids, and an edgeedge with one ONa4Bi trigonal bipyramid. The corner-sharing octahedra tilt angles range from 40–44°. In the fifth O2- site, O2- is bonded in a distorted pentagonal planar geometry to four Na1+ and one Bi3+ atom. In the sixth O2- site, O2- is bonded to four Na1+ and one Bi3+ atom to form distorted ONa4Bi trigonal bipyramids that share a cornercorner with one ONa4Bi trigonal bipyramid, an edgeedge with one ONa5Bi octahedra, an edgeedge with one ONa4Bi square pyramid, and edges with two ONa4Bi trigonal bipyramids. In the seventh O2- site, O2- is bonded to four Na1+ and one Bi3+ atom to form ONa4Bi trigonal bipyramids that share corners with two equivalent ONa5Bi octahedra, a cornercorner with one ONa4Bi square pyramid, corners with two equivalent ONa4Bi trigonal bipyramids, an edgeedge with one ONa5Bi octahedra, and an edgeedge with one ONa4Bi square pyramid. The corner-sharing octahedra tilt angles range from 26–65°. In the eighth O2- site, O2- is bonded to five Na1+ and one Bi3+ atom to form distorted ONa5Bi octahedra that share a cornercorner with one ONa4Bi square pyramid, a cornercorner with one ONa4Bi trigonal bipyramid, edges with two equivalent ONa5Bi octahedra, edges with two ONa4Bi square pyramids, and an edgeedge with one ONa4Bi trigonal bipyramid. In the ninth O2- site, O2- is bonded in a 6-coordinate geometry to five Na1+ and one Bi3+ atom. In the tenth O2- site, O2- is bonded to five Na1+ and one Bi3+ atom to form ONa5Bi octahedra that share corners with three ONa4Bi trigonal bipyramids, edges with three ONa5Bi octahedra, edges with three ONa4Bi square pyramids, and an edgeedge with one ONa4Bi trigonal bipyramid. In the eleventh O2- site, O2- is bonded to four Na1+ and one Bi3+ atom to form distorted ONa4Bi square pyramids that share a cornercorner with one ONa4Bi square pyramid, corners with three ONa4Bi trigonal bipyramids, edges with two ONa5Bi octahedra, and an edgeedge with one ONa4Bi trigonal bipyramid. In the twelfth O2- site, O2- is bonded to four Na1+ and one Bi3+ atom to form ONa4Bi square pyramids that share a cornercorner with one ONa5Bi octahedra, a cornercorner with one ONa4Bi square pyramid, edges with three ONa5Bi octahedra, and an edgeedge with one ONa4Bi trigonal bipyramid. The corner-sharing octahedral tilt angles are 10°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3IO by Materials Project

Na3OI crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are six inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a linear geometry to two O2- and four I1- atoms. There are one shorter (2.29 Å) and one longer (2.35 Å) Na–O bond lengths. There are a spread of Na–I bond distances ranging from 3.41–3.56 Å. In the second Na1+ site, Na1+ is bonded in a linear geometry to two O2- and four I1- atoms. There are one shorter (2.29 Å) and one longer (2.35 Å) Na–O bond lengths. There are a spread of Na–I bond distances ranging from 3.41–3.56 Å. In the third Na1+ site, Na1+ is bonded in a distorted L-shaped geometry to two O2- and four I1- atoms. Both Na–O bond lengths are 2.33 Å. There are a spread of Na–I bond distances ranging from 3.39–3.42 Å. In the fourth Na1+ site, Na1+ is bonded in a linear geometry to two O2- and four I1- atoms. There are one shorter (2.29 Å) and one longer (2.35 Å) Na–O bond lengths. There are a spread of Na–I bond distances ranging from 3.42–3.55 Å. In the fifth Na1+ site, Na1+ is bonded in a linear geometry to two O2- and four I1- atoms. There are one shorter (2.29 Å) and one longer (2.35 Å) Na–O bond lengths. There are a spread of Na–I bond distances ranging from 3.42–3.56 Å. In the sixth Na1+ site, Na1+ is bonded in a distorted L-shaped geometry to two O2- and four I1- atoms. Both Na–O bond lengths are 2.33 Å. There are a spread of Na–I bond distances ranging from 3.39–3.42 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to six Na1+ atoms to form ONa6 octahedra that share corners with three equivalent INa12 cuboctahedra, corners with three equivalent ONa6 octahedra, faces with seven INa12 cuboctahedra, and a faceface with one ONa6 octahedra. The corner-sharing octahedral tilt angles are 3°. In the second O2- site, O2- is bonded to six Na1+ atoms to form ONa6 octahedra that share corners with six equivalent ONa6 octahedra and faces with eight INa12 cuboctahedra. The corner-sharing octahedral tilt angles are 3°. In the third O2- site, O2- is bonded to six Na1+ atoms to form ONa6 octahedra that share corners with six equivalent ONa6 octahedra and faces with eight INa12 cuboctahedra. The corner-sharing octahedral tilt angles are 3°. In the fourth O2- site, O2- is bonded to six Na1+ atoms to form ONa6 octahedra that share corners with three equivalent INa12 cuboctahedra, corners with three equivalent ONa6 octahedra, faces with seven INa12 cuboctahedra, and a faceface with one ONa6 octahedra. The corner-sharing octahedral tilt angles are 3°. There are three inequivalent I1- sites. In the first I1- site, I1- is bonded to twelve Na1+ atoms to form INa12 cuboctahedra that share corners with nine INa12 cuboctahedra, corners with three equivalent ONa6 octahedra, faces with seven INa12 cuboctahedra, and faces with seven ONa6 octahedra. The corner-sharing octahedral tilt angles are 2°. In the second I1- site, I1- is bonded to twelve Na1+ atoms to form INa12 cuboctahedra that share corners with twelve INa12 cuboctahedra, faces with six INa12 cuboctahedra, and faces with eight ONa6 octahedra. In the third I1- site, I1- is bonded to twelve Na1+ atoms to form INa12 cuboctahedra that share corners with nine INa12 cuboctahedra, corners with three equivalent ONa6 octahedra, faces with seven INa12 cuboctahedra, and faces with seven ONa6 octahedra. The corner-sharing octahedral tilt angles are 2°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na2BiO3 by Materials Project

Na2BiO3 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Na sites. In the first Na site, Na is bonded to six O atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra, corners with four equivalent BiO6 octahedra, edges with four equivalent BiO6 octahedra, and edges with eight NaO6 octahedra. The corner-sharing octahedra tilt angles range from 9–11°. There are a spread of Na–O bond distances ranging from 2.45–2.63 Å. In the second Na site, Na is bonded to six O atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra, corners with four equivalent BiO6 octahedra, edges with four equivalent BiO6 octahedra, and edges with eight NaO6 octahedra. The corner-sharing octahedra tilt angles range from 9–10°. There are two shorter (2.40 Å) and four longer (2.61 Å) Na–O bond lengths. In the third Na site, Na is bonded to six O atoms to form NaO6 octahedra that share corners with six NaO6 octahedra, edges with six NaO6 octahedra, and edges with six equivalent BiO6 octahedra. The corner-sharing octahedra tilt angles range from 10–11°. There are four shorter (2.50 Å) and two longer (2.51 Å) Na–O bond lengths. Bi is bonded to six O atoms to form BiO6 octahedra that share corners with six NaO6 octahedra, edges with three equivalent BiO6 octahedra, and edges with nine NaO6 octahedra. The corner-sharing octahedra tilt angles range from 9–10°. There are a spread of Bi–O bond distances ranging from 2.27–2.29 Å. There are two inequivalent O sites. In the first O site, O is bonded to four Na and two equivalent Bi atoms to form a mixture of edge and corner-sharing ONa4Bi2 octahedra. The corner-sharing octahedra tilt angles range from 0–8°. In the second O site, O is bonded to four Na and two equivalent Bi atoms to form a mixture of edge and corner-sharing ONa4Bi2 octahedra. The corner-sharing octahedra tilt angles range from 0–10°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na6Mn3(PO4)4 by Materials Project

Na6Mn3(PO4)4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are two shorter (2.25 Å) and one longer (2.30 Å) Na–O bond lengths. In the second Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.22–2.50 Å. In the third Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.30–2.64 Å. In the fourth 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 2.28–2.68 Å. In the fifth Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.42 Å. In the sixth Na1+ site, Na1+ is bonded in a 3-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.26–2.74 Å. In the seventh Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.31–2.67 Å. In the eighth Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.23–2.53 Å. In the ninth Na1+ site, Na1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are two shorter (2.26 Å) and one longer (2.32 Å) Na–O bond lengths. In the tenth 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 2.35–2.71 Å. In the eleventh 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 2.36–2.67 Å. In the twelfth Na1+ site, Na1+ is bonded in a 3-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.70 Å. There are six inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two MnO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 63–67°. There are a spread of Mn–O bond distances ranging from 2.15–2.45 Å. In the second Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two MnO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 64–66°. There are a spread of Mn–O bond distances ranging from 2.15–2.43 Å. In the third Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with four MnO6 octahedra and corners with six PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 62–67°. There are a spread of Mn–O bond distances ranging from 2.10–2.34 Å. In the fourth Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two MnO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 61–64°. There are a spread of Mn–O bond distances ranging from 2.16–2.38 Å. In the fifth Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two MnO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 62–64°. There are a spread of Mn–O bond distances ranging from 2.16–2.37 Å. In the sixth Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with four MnO6 octahedra and corners with six PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 61–66°. There are a spread of Mn–O bond distances ranging from 2.09–2.34 Å. There are eight inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three MnO6 octahedra. The corner-sharing octahedra tilt angles range from 48–64°. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four MnO6 octahedra and an edgeedge with one MnO6 octahedra. The corner-sharing octahedra tilt angles range from 41–51°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four MnO6 octahedra and an edgeedge with one MnO6 octahedra. The corner-sharing octahedra tilt angles range from 40–51°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three MnO6 octahedra. The corner-sharing octahedra tilt angles range from 48–63°. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three MnO6 octahedra. The corner-sharing octahedra tilt angles range from 48–66°. There are a spread of P–O bond distances ranging from 1.54–1.59 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four MnO6 octahedra and an edgeedge with one MnO6 octahedra. The corner-sharing octahedra tilt angles range from 42–52°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the seventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four MnO6 octahedra and an edgeedge with one MnO6 octahedra. The corner-sharing octahedra tilt angles range from 42–52°. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the eighth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three MnO6 octahedra. The corner-sharing octahedra tilt angles range from 47–65°. There are a spread of P–O bond distances ranging from 1.54–1.59 Å. There are thirty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Mn2+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+, one Mn2+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Mn2+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+, one Mn2+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted tetrahedral geometry to one Na1+, two Mn2+, and one P5+ atom. In the ninth O2- site, O2- is bonded to one Na1+, two Mn2+, and one P5+ atom to form distorted corner-sharing ONaMn2P tetrahedra. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Mn2+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Mn2+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+, one Mn2+, and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Mn2+, and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+, one Mn2+, and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Mn2+, and one P5+ atom. In the twenty-third O2- site, O2- is bonded to one Na1+, two Mn2+, and one P5+ atom to form distorted ONaMn2P tetrahedra that share corners with two equivalent ONaMn2P tetrahedra and a cornercorner with one ONa2MnP trigonal pyramid. In the twenty-fourth O2- site, O2- is bonded to two Na1+, one Mn2+, and one P5+ atom to form distorted corner-sharing ONa2MnP trigonal pyramids. In the twenty-fifth O2- site, O2- is bonded in a distorted trigonal pyramidal geometry to two Na1+, one Mn2+, and one P5+ atom. In the twenty-sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Mn2+, and one P5+ atom. In the twenty-seventh O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Mn2+, and one P5+ atom. In the twenty-eighth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+, one Mn2+, and one P5+ atom. In the twenty-ninth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom. In the thirtieth O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one P5+ atom. In the thirty-first O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one P5+ atom. In the thirty-second O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Mn2+, and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na2Ti4O9 by Materials Project

Na2Ti4O9 is Orthorhombic Perovskite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Na1+ sites. In the first 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 2.43–2.82 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 2.41–2.88 Å. In the third Na1+ site, Na1+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.42–2.89 Å. In the fourth Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are two shorter (2.45 Å) and four longer (2.50 Å) Na–O bond lengths. In the fifth 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 2.27–2.71 Å. In the sixth 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 2.32–2.63 Å. In the seventh 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 2.33–2.63 Å. In the eighth 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 2.26–2.80 Å. In the ninth Na1+ site, Na1+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.44–2.95 Å. In the tenth Na1+ site, Na1+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.41–2.88 Å. In the eleventh 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 2.41–2.85 Å. In the twelfth 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 2.46–2.84 Å. There are twenty-four inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 45–48°. There are a spread of Ti–O bond distances ranging from 1.84–2.21 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–51°. There are a spread of Ti–O bond distances ranging from 1.86–2.16 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 45–47°. There are a spread of Ti–O bond distances ranging from 1.91–2.06 Å. In the fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–48°. There are a spread of Ti–O bond distances ranging from 1.90–2.09 Å. In the fifth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 39–53°. There are a spread of Ti–O bond distances ranging from 1.83–2.31 Å. In the sixth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 39–50°. There are a spread of Ti–O bond distances ranging from 1.94–2.06 Å. In the seventh Ti4+ site, Ti4+ is bonded to six O2- atoms to form edge-sharing TiO6 octahedra. There are a spread of Ti–O bond distances ranging from 1.92–2.07 Å. In the eighth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 48–51°. There are a spread of Ti–O bond distances ranging from 1.95–2.07 Å. In the ninth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–50°. There are a spread of Ti–O bond distances ranging from 1.87–2.13 Å. In the tenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–49°. There are a spread of Ti–O bond distances ranging from 1.86–2.14 Å. In the eleventh Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–48°. There are a spread of Ti–O bond distances ranging from 1.89–2.07 Å. In the twelfth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–53°. There are a spread of Ti–O bond distances ranging from 1.90–2.15 Å. In the thirteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–48°. There are a spread of Ti–O bond distances ranging from 1.90–2.07 Å. In the fourteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 48–52°. There are a spread of Ti–O bond distances ranging from 1.90–2.14 Å. In the fifteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–50°. There are a spread of Ti–O bond distances ranging from 1.88–2.13 Å. In the sixteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–49°. There are a spread of Ti–O bond distances ranging from 1.86–2.15 Å. In the seventeenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form edge-sharing TiO6 octahedra. There are a spread of Ti–O bond distances ranging from 1.92–2.03 Å. In the eighteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form edge-sharing TiO6 octahedra. There are a spread of Ti–O bond distances ranging from 1.96–2.00 Å. In the nineteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 38–50°. There are a spread of Ti–O bond distances ranging from 1.94–2.06 Å. In the twentieth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–48°. There are a spread of Ti–O bond distances ranging from 1.90–2.09 Å. In the twenty-first Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 38–52°. There are a spread of Ti–O bond distances ranging from 1.84–2.28 Å. In the twenty-second Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 45–47°. There are a spread of Ti–O bond distances ranging from 1.91–2.06 Å. In the twenty-third Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–51°. There are a spread of Ti–O bond distances ranging from 1.86–2.18 Å. In the twenty-fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 45–48°. There are a spread of Ti–O bond distances ranging from 1.84–2.19 Å. There are fifty-four inequivalent O2- sites. In the first O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form distorted ONaTi3 tetrahedra that share corners with four ONaTi3 trigonal pyramids, an edgeedge with one ONa2Ti3 square pyramid, and an edgeedge with one ONaTi3 trigonal pyramid. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Ti4+ atoms. In the third O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form distorted ONaTi3 trigonal pyramids that share a cornercorner with one ONa2Ti3 square pyramid, corners with two ONaTi3 trigonal pyramids, an edgeedge with one ONaTi3 tetrahedra, and an edgeedge with one ONaTi3 trigonal pyramid. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Ti4+ atoms. In the fifth O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form a mixture of distorted corner and edge-sharing ONaTi3 trigonal pyramids. In the sixth O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form a mixture of distorted corner and edge-sharing ONaTi3 trigonal pyramids. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and two Ti4+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and two Ti4+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and two Ti4+ atoms. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and three Ti4+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+ and three Ti4+ atoms. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Ti4+ atoms. In the thirteenth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+ and three Ti4+ atoms. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to three Ti4+ atoms. In the fifteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Ti4+ atoms. In the sixteenth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+ and three Ti4+ atoms. In the seventeenth O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form distorted ONaTi3 trigonal pyramids that share a cornercorner with one ONaTi3 trigonal pyramid, edges with two ONa2Ti3 square pyramids, and an edgeedge with one ONaTi3 trigonal pyramid. In the eighteenth O2- site, O2- is bonded to two Na1+ and three Ti4+ atoms to form distorted ONa2Ti3 square pyramids that share a cornercorner with one ONa2Ti3 square pyramid, a cornercorner with one ONaTi3 trigonal pyramid, an edgeedge with one ONaTi3 tetrahedra, and edges with two ONaTi3 trigonal pyramids. In the nineteenth O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two Ti4+ atoms. In the twentieth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and two Ti4+ atoms. In the twenty-first O2- site, O2- is bonded in a trigonal planar geometry to one Na1+ and two Ti4+ atoms. In the twenty-second O2- site, O2- is bonded in a 5-coordinate geometry to three Na1+ and two Ti4+ atoms. In the twenty-third O2- site, O2- is bonded in a 5-coordinate geometry to three Na1+ and two Ti4+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 2-coordinate geometry to four Na1+ and two Ti4+ atoms. In the twenty-fifth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+ and three Ti4+ atoms. In the twenty-sixth O2- site, O2- is bonded to two Na1+ and three Ti4+ atoms to form distorted edge-sharing ONa2Ti3 trigonal bipyramids. In the twenty-seventh O2- site, O2- is bonded to two Na1+ and three Ti4+ atoms to form distorted edge-sharing ONa2Ti3 trigonal bipyramids. In the twenty-eighth O2- site, O2- is bonded to two Na1+ and three Ti4+ atoms to form distorted edge-sharing ONa2Ti3 trigonal bipyramids. In the twenty-ninth O2- site, O2- is bonded to two Na1+ and three Ti4+ atoms to form distorted edge-sharing ONa2Ti3 trigonal bipyramids. In the thirtieth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+ and three Ti4+ atoms. In the thirty-first O2- site, O2- is bonded in a 6-coordinate geometry to four Na1+ and t

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na2Ti4O9 by Materials Project

Na2Ti4O9 is Orthorhombic Perovskite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve 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 2.25–2.75 Å. In the second 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 2.33–2.63 Å. In the third 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 2.42–2.91 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 2.42–2.86 Å. In the fifth Na1+ site, Na1+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.44–2.91 Å. In the sixth 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 2.46–2.87 Å. In the seventh 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 2.46–2.85 Å. In the eighth Na1+ site, Na1+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.43–2.92 Å. In the ninth 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 2.44–2.52 Å. In the tenth 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 2.43–2.87 Å. In the eleventh 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 2.25–2.80 Å. In the twelfth 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 2.33–2.63 Å. There are twenty-four inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–50°. There are a spread of Ti–O bond distances ranging from 1.84–2.20 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 38–50°. There are a spread of Ti–O bond distances ranging from 1.84–2.21 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Ti–O bond distances ranging from 1.89–2.14 Å. In the fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form edge-sharing TiO6 octahedra. There are a spread of Ti–O bond distances ranging from 1.93–2.04 Å. In the fifth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–51°. There are a spread of Ti–O bond distances ranging from 1.84–2.25 Å. In the sixth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–47°. There are a spread of Ti–O bond distances ranging from 1.91–2.08 Å. In the seventh Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 38–50°. There are a spread of Ti–O bond distances ranging from 1.94–2.06 Å. In the eighth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–48°. There are a spread of Ti–O bond distances ranging from 1.91–2.08 Å. In the ninth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–50°. There are a spread of Ti–O bond distances ranging from 1.88–2.12 Å. In the tenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–48°. There are a spread of Ti–O bond distances ranging from 1.88–2.08 Å. In the eleventh Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–50°. There are a spread of Ti–O bond distances ranging from 1.88–2.12 Å. In the twelfth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–50°. There are a spread of Ti–O bond distances ranging from 1.87–2.13 Å. In the thirteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–50°. There are a spread of Ti–O bond distances ranging from 1.87–2.13 Å. In the fourteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–48°. There are a spread of Ti–O bond distances ranging from 1.89–2.08 Å. In the fifteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 45–47°. There are a spread of Ti–O bond distances ranging from 1.91–2.08 Å. In the sixteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–48°. There are a spread of Ti–O bond distances ranging from 1.91–2.07 Å. In the seventeenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 38–50°. There are a spread of Ti–O bond distances ranging from 1.94–2.06 Å. In the eighteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form edge-sharing TiO6 octahedra. There are a spread of Ti–O bond distances ranging from 1.94–2.02 Å. In the nineteenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form edge-sharing TiO6 octahedra. There is four shorter (1.98 Å) and two longer (1.99 Å) Ti–O bond length. In the twentieth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 45–51°. There are a spread of Ti–O bond distances ranging from 1.84–2.21 Å. In the twenty-first Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–50°. There are a spread of Ti–O bond distances ranging from 1.84–2.24 Å. In the twenty-second Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 50–51°. There are a spread of Ti–O bond distances ranging from 1.95–2.07 Å. In the twenty-third Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Ti–O bond distances ranging from 1.91–2.13 Å. In the twenty-fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 38–51°. There are a spread of Ti–O bond distances ranging from 1.84–2.22 Å. There are fifty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and three Ti4+ atoms. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+ and three Ti4+ atoms. In the third O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form distorted ONaTi3 trigonal pyramids that share a cornercorner with one ONa2Ti3 square pyramid, corners with two ONaTi3 trigonal pyramids, an edgeedge with one ONa2Ti3 square pyramid, and edges with two ONaTi3 trigonal pyramids. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and three Ti4+ atoms. In the fifth O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form a mixture of distorted edge and corner-sharing ONaTi3 trigonal pyramids. In the sixth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Ti4+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to four Na1+ and two Ti4+ atoms. In the eighth O2- site, O2- is bonded to two Na1+ and three Ti4+ atoms to form distorted ONa2Ti3 square pyramids that share corners with two ONaTi3 trigonal pyramids, an edgeedge with one ONa2Ti3 square pyramid, and edges with two ONaTi3 trigonal pyramids. In the ninth O2- site, O2- is bonded in a 5-coordinate geometry to three Na1+ and two Ti4+ atoms. In the tenth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+ and three Ti4+ atoms. In the eleventh O2- site, O2- is bonded in a 5-coordinate geometry to three Na1+ and two Ti4+ atoms. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and two Ti4+ atoms. In the thirteenth O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form distorted ONaTi3 trigonal pyramids that share a cornercorner with one ONa2Ti3 square pyramid, corners with two ONaTi3 trigonal pyramids, an edgeedge with one ONa2Ti3 square pyramid, and edges with two ONaTi3 trigonal pyramids. In the fourteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and two Ti4+ atoms. In the fifteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and two Ti4+ atoms. In the sixteenth O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form a mixture of distorted edge and corner-sharing ONaTi3 trigonal pyramids. In the seventeenth O2- site, O2- is bonded to one Na1+ and three Ti4+ atoms to form a mixture of distorted edge and corner-sharing ONaTi3 trigonal pyramids. In the eighteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Ti4+ atoms. In the nineteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+ and two Ti4+ atoms. In the twentieth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+ and two Ti4+ atoms. In the twenty-first O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Ti4+ atoms. In the twenty-second O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+ and three Ti4+ atoms. In the twenty-third O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two Ti4+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Ti4+ atoms. In the twenty-fifth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+ and three Ti4+ atoms. In the twenty-sixth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+ and three Ti4+ atoms. In the twenty-seventh O2- site, O2- is bonded in a distorted trigonal bipyramidal geometry to two Na1+ and three Ti4+ atoms. In the twenty-eighth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+ and three Ti4+ atoms. In the twenty-ninth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Ti4+ atoms. In the thirtieth O2- site, O2- is bonded in a distorted trigonal bipyramidal geometry to two Na1+ and three Ti4+ atoms. In the thirty-first O2- site, O2- is bonded in a 5-coordinate geometry to one Na1+ and three Ti4+ atoms. In the thirty-second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+ and two Ti4+ atoms. In the thirty-third O2- site, O2- is bonded i

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3Sn by Materials Project

Na3Sn is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded to four equivalent Na and four equivalent Sn atoms to form distorted NaNa4Sn4 cuboctahedra that share corners with eight equivalent SnNa12 cuboctahedra, corners with sixteen NaNa4Sn4 cuboctahedra, edges with four equivalent SnNa12 cuboctahedra, edges with sixteen NaNa4Sn4 cuboctahedra, and faces with six equivalent NaNa4Sn4 cuboctahedra. All Na–Na bond lengths are 3.42 Å. All Na–Sn bond lengths are 3.42 Å. In the second Na site, Na is bonded to eight equivalent Na and four equivalent Sn atoms to form distorted NaNa8Sn4 cuboctahedra that share corners with eight equivalent SnNa12 cuboctahedra, corners with twenty NaNa4Sn4 cuboctahedra, edges with sixteen NaNa4Sn4 cuboctahedra, faces with four equivalent NaNa8Sn4 cuboctahedra, and faces with six equivalent SnNa12 cuboctahedra. All Na–Sn bond lengths are 3.46 Å. Sn is bonded to twelve Na atoms to form SnNa12 cuboctahedra that share corners with four equivalent SnNa12 cuboctahedra, corners with twenty-four NaNa4Sn4 cuboctahedra, edges with eight equivalent NaNa4Sn4 cuboctahedra, edges with eight equivalent SnNa12 cuboctahedra, faces with four equivalent SnNa12 cuboctahedra, and faces with six equivalent NaNa8Sn4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3In by Materials Project

Na3In is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded to eight Na and four equivalent In atoms to form distorted NaNa8In4 cuboctahedra that share corners with twelve equivalent NaNa8In4 cuboctahedra, edges with eight equivalent NaNa8In4 cuboctahedra, edges with eight equivalent InNa12 cuboctahedra, faces with four equivalent InNa12 cuboctahedra, and faces with ten equivalent NaNa8In4 cuboctahedra. There are four shorter (3.46 Å) and four longer (3.50 Å) Na–Na bond lengths. All Na–In bond lengths are 3.50 Å. In the second Na site, Na is bonded in a distorted square co-planar geometry to eight equivalent Na and four equivalent In atoms. All Na–In bond lengths are 3.46 Å. In is bonded to twelve Na atoms to form InNa12 cuboctahedra that share corners with four equivalent InNa12 cuboctahedra, edges with eight equivalent InNa12 cuboctahedra, edges with sixteen equivalent NaNa8In4 cuboctahedra, faces with four equivalent InNa12 cuboctahedra, and faces with eight equivalent NaNa8In4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3Co by Materials Project

Na3Co is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded to four equivalent Na and four equivalent Co atoms to form a mixture of distorted corner, edge, and face-sharing NaNa4Co4 tetrahedra. All Na–Na bond lengths are 3.17 Å. All Na–Co bond lengths are 3.17 Å. In the second Na site, Na is bonded in a 8-coordinate geometry to eight equivalent Na and six equivalent Co atoms. All Na–Co bond lengths are 3.67 Å. Co is bonded in a body-centered cubic geometry to fourteen Na atoms.

36 MATERIALS SCIENCE↗