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Materials Data on KFe2H(SeO3)4 by Materials Project

KFe2H(SeO3)4 crystallizes in the monoclinic P2 space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.77–3.03 Å. In the second K1+ site, K1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of K–O bond distances ranging from 2.73–2.98 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Fe–O bond distances ranging from 1.96–2.18 Å. In the second Fe3+ site, Fe3+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Fe–O bond distances ranging from 1.99–2.11 Å. H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.60 Å) H–O bond length. There are four inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.73 Å) and two longer (1.74 Å) Se–O bond length. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.77 Å. In the third Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.74 Å. In the fourth Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.70–1.86 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, one Fe3+, and one Se4+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Fe3+, and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one Fe3+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Fe3+, and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Fe3+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Fe3+, one H1+, and one Se4+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one Se4+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one Fe3+, and one Se4+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one Se4+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one Se4+ atom. In the eleventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Fe3+, and one Se4+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one Fe3+, one H1+, and one Se4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on SrCo2H2(SeO3)4 by Materials Project

SrCo2H2(SeO3)4 crystallizes in the monoclinic P2/c space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–2.82 Å. In the second Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.58–2.77 Å. There are two inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Co–O bond distances ranging from 2.09–2.19 Å. In the second Co2+ site, Co2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Co–O bond distances ranging from 2.09–2.18 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.60 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. There are four inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.73–1.76 Å. In the second Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. All Se–O bond lengths are 1.74 Å. In the third Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.69–1.87 Å. In the fourth Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.69–1.88 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one Co2+, and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one Co2+, and one Se4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Co2+, one H1+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one Co2+, and one Se4+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Sr2+, one Co2+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+, one Co2+, and one Se4+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Co2+ and one Se4+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one Co2+, and one Se4+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to one Co2+, one H1+, and one Se4+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Co2+ and one Se4+ atom. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Co2+, and one Se4+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one Co2+, one H1+, and one Se4+ atom.

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Materials Data on Sr2CuH2(SeO3)4 by Materials Project

Sr2CuH2(SeO3)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Sr2+ is bonded to seven O2- atoms to form distorted edge-sharing SrO7 pentagonal bipyramids. There are a spread of Sr–O bond distances ranging from 2.48–2.79 Å. Cu2+ is bonded in a distorted square co-planar geometry to four O2- atoms. There is two shorter (1.93 Å) and two longer (2.04 Å) Cu–O bond length. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.69–1.84 Å. In the second Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.66–1.99 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Cu2+, and one H1+ atom. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Sr2+ and one Se4+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Se4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+ and two Se4+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Cu2+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Sr2+ and one Se4+ atom.

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Materials Data on Ho2(SeO3)3 by Materials Project

Ho2(SeO3)3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ho3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ho–O bond distances ranging from 2.33–2.78 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.72 Å) and two longer (1.74 Å) Se–O bond length. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.71–1.74 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ho3+ and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Ho3+ and one Se4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ho3+ and one Se4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Ho3+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ho3+ and one Se4+ atom.

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Materials Data on Ho2(SeO3)3 by Materials Project

Ho2(SeO3)3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Ho3+ sites. In the first Ho3+ site, Ho3+ is bonded in a pentagonal bipyramidal geometry to seven O2- atoms. There are a spread of Ho–O bond distances ranging from 2.21–2.46 Å. In the second Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ho–O bond distances ranging from 2.27–2.61 Å. There are three inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.69–1.76 Å. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.71 Å) and two longer (1.75 Å) Se–O bond length. In the third Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.70 Å) and two longer (1.74 Å) Se–O bond length. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Ho3+ and one Se4+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Ho3+ and one Se4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Ho3+ and one Se4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Ho3+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Ho3+ and one Se4+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Ho3+ and one Se4+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Ho3+ and one Se4+ atom. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ho3+ and one Se4+ atom.

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Materials Data on Ca(SeO3)2 by Materials Project

Ca(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Ca2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ca–O bond distances ranging from 2.35–2.56 Å. There are two inequivalent Se5+ sites. In the first Se5+ site, Se5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.65–1.76 Å. In the second Se5+ site, Se5+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.98 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ca2+ and one Se5+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Ca2+ and one Se5+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ca2+ and one Se5+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Ca2+ and one Se5+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ca2+ and one Se5+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two Se5+ atoms.

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Materials Data on Np(SeO3)2 by Materials Project

Np(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Np4+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Np–O bond distances ranging from 2.25–2.58 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.73–1.75 Å. In the second Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.71–1.77 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Np4+ and one Se4+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Np4+ and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Np4+ and one Se4+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Np4+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Np4+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Np4+ and one Se4+ atom.

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Materials Data on Co3(SeO3)4 by Materials Project

Co3(SeO3)4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Co+2.67+ sites. In the first Co+2.67+ site, Co+2.67+ is bonded to six O2- atoms to form edge-sharing CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.89–1.99 Å. In the second Co+2.67+ site, Co+2.67+ is bonded to six O2- atoms to form edge-sharing CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.97–2.14 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.69 Å) and two longer (1.79 Å) Se–O bond length. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.71 Å) and one longer (1.76 Å) Se–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Co+2.67+ and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Co+2.67+ and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Co+2.67+ and one Se4+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Co+2.67+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Co+2.67+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Co+2.67+ and one Se4+ atom.

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Materials Data on BaCu(SeO3)2 by Materials Project

BaCu(SeO3)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.05 Å. Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.94 Å) and two longer (1.98 Å) Cu–O bond length. Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.70–1.76 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ba2+, one Cu2+, and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ba2+, one Cu2+, and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ba2+ and one Se4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on SrCu(SeO3)2 by Materials Project

SrCu(SeO3)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Sr2+ is bonded to eight O2- atoms to form distorted corner-sharing SrO8 hexagonal bipyramids. There are a spread of Sr–O bond distances ranging from 2.61–2.82 Å. Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.95 Å) and two longer (1.98 Å) Cu–O bond length. Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.70–1.77 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one Cu2+, and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sr2+, one Cu2+, and one Se4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Sr2+ and one Se4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on MnCu3(SeO3)4 by Materials Project

MnCu3(SeO3)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Mn7+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with six CuO6 octahedra. The corner-sharing octahedra tilt angles range from 52–58°. There are a spread of Mn–O bond distances ranging from 2.07–2.44 Å. There are three inequivalent Cu+1.67+ sites. In the first Cu+1.67+ site, Cu+1.67+ is bonded to six O2- atoms to form CuO6 octahedra that share corners with two equivalent CuO6 octahedra and corners with four equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 52–55°. There are a spread of Cu–O bond distances ranging from 2.00–2.49 Å. In the second Cu+1.67+ site, Cu+1.67+ is bonded to six O2- atoms to form distorted CuO6 octahedra that share corners with two equivalent MnO6 octahedra and corners with four equivalent CuO6 octahedra. The corner-sharing octahedra tilt angles range from 50–58°. There are a spread of Cu–O bond distances ranging from 1.96–2.51 Å. In the third Cu+1.67+ site, Cu+1.67+ is bonded to six O2- atoms to form distorted corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 50–55°. There are a spread of Cu–O bond distances ranging from 1.94–2.55 Å. There are two inequivalent Se3+ sites. In the first Se3+ site, Se3+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.73–1.80 Å. In the second Se3+ site, Se3+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.74 Å) and two longer (1.77 Å) Se–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal non-coplanar geometry to two Cu+1.67+ and one Se3+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Mn7+, one Cu+1.67+, and one Se3+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Mn7+, one Cu+1.67+, and one Se3+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Cu+1.67+ and one Se3+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Cu+1.67+ and one Se3+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mn7+, one Cu+1.67+, and one Se3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on BaZn(SeO3)2 by Materials Project

BaZn(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Ba2+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.85–3.41 Å. Zn2+ is bonded in a distorted tetrahedral geometry to four O2- atoms. There are a spread of Zn–O bond distances ranging from 1.97–2.02 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.69 Å) and two longer (1.75 Å) Se–O bond length. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.69–1.75 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Ba2+ and one Se4+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Ba2+, one Zn2+, and one Se4+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, one Zn2+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Ba2+, one Zn2+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Ba2+, one Zn2+, and one Se4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Th(SeO3)2 by Materials Project

Th(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Th4+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Th–O bond distances ranging from 2.34–2.61 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.73 Å) and one longer (1.74 Å) Se–O bond length. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.71–1.76 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Th4+ and one Se4+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Th4+ and one Se4+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Th4+ and one Se4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Th4+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Th4+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Th4+ and one Se4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ge(SeO3)2 by Materials Project

Ge(SeO3)2 crystallizes in the cubic Pa-3 space group. The structure is three-dimensional. Ge4+ is bonded in an octahedral geometry to six equivalent O2- atoms. All Ge–O bond lengths are 1.92 Å. Se4+ is bonded in a distorted T-shaped geometry to three equivalent O2- atoms. All Se–O bond lengths are 1.75 Å. O2- is bonded in a bent 120 degrees geometry to one Ge4+ and one Se4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on NaSc(SeO3)2 by Materials Project

NaSc(SeO3)2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.57–2.94 Å. Sc3+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Sc–O bond distances ranging from 2.08–2.15 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.72 Å) and two longer (1.73 Å) Se–O bond length. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. All Se–O bond lengths are 1.73 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Sc3+, and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sc3+ and one Se4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+, one Sc3+, and one Se4+ atom. In the fourth O2- site, O2- is bonded to two equivalent Na1+, one Sc3+, and one Se4+ atom to form a mixture of distorted corner and edge-sharing ONa2ScSe tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on Li5Mn5(SeO3)8 by Materials Project

Li5Mn5(SeO3)8 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are five inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 4-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.98–2.70 Å. In the second Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.99–2.64 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two MnO6 octahedra and an edgeedge with one LiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 61–72°. There are a spread of Li–O bond distances ranging from 1.96–2.12 Å. In the fourth Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 tetrahedra that share corners with two MnO6 octahedra and an edgeedge with one LiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 62–69°. There are a spread of Li–O bond distances ranging from 1.95–2.04 Å. In the fifth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 2.11–2.42 Å. There are five inequivalent Mn7+ sites. In the first Mn7+ site, Mn7+ is bonded to six O2- atoms to form distorted MnO6 octahedra that share a cornercorner with one MnO6 octahedra, a cornercorner with one LiO4 tetrahedra, and an edgeedge with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 63°. There are a spread of Mn–O bond distances ranging from 2.15–2.33 Å. In the second Mn7+ site, Mn7+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one MnO6 octahedra, a cornercorner with one LiO4 tetrahedra, and an edgeedge with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 62°. There are a spread of Mn–O bond distances ranging from 2.16–2.32 Å. In the third Mn7+ site, Mn7+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two LiO4 tetrahedra and edges with two MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 2.11–2.31 Å. In the fourth Mn7+ site, Mn7+ is bonded to six O2- atoms to form corner-sharing MnO6 octahedra. The corner-sharing octahedra tilt angles range from 62–63°. There are a spread of Mn–O bond distances ranging from 1.95–2.42 Å. In the fifth Mn7+ site, Mn7+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Mn–O bond distances ranging from 2.13–2.37 Å. There are eight inequivalent Se1+ sites. In the first Se1+ site, Se1+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.71–1.76 Å. In the second Se1+ site, Se1+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.71–1.76 Å. In the third Se1+ site, Se1+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.69 Å) and two longer (1.78 Å) Se–O bond length. In the fourth Se1+ site, Se1+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.69 Å) and two longer (1.78 Å) Se–O bond length. In the fifth Se1+ site, Se1+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.72 Å) and one longer (1.76 Å) Se–O bond length. In the sixth Se1+ site, Se1+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.71 Å) and two longer (1.75 Å) Se–O bond length. In the seventh Se1+ site, Se1+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.70–1.77 Å. In the eighth Se1+ site, Se1+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.79 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded to one Li1+, two Mn7+, and one Se1+ atom to form a mixture of distorted edge and corner-sharing OLiMn2Se tetrahedra. In the second O2- site, O2- is bonded to one Li1+, two Mn7+, and one Se1+ atom to form a mixture of distorted edge and corner-sharing OLiMn2Se tetrahedra. In the third O2- site, O2- is bonded in a trigonal non-coplanar geometry to two Mn7+ and one Se1+ atom. In the fourth O2- site, O2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Mn7+, and one Se1+ atom. In the fifth O2- site, O2- is bonded to one Li1+, two Mn7+, and one Se1+ atom to form a mixture of distorted edge and corner-sharing OLiMn2Se tetrahedra. In the sixth O2- site, O2- is bonded to one Li1+, two Mn7+, and one Se1+ atom to form a mixture of distorted edge and corner-sharing OLiMn2Se tetrahedra. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mn7+ and one Se1+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mn7+ and one Se1+ atom. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Mn7+, and one Se1+ atom. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and one Se1+ atom. In the eleventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn7+ and one Se1+ atom. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn7+ and one Se1+ atom. In the thirteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Mn7+, and one Se1+ atom. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one Se1+ atom. In the fifteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Mn7+, and one Se1+ atom. In the sixteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+, two Mn7+, and one Se1+ atom. In the seventeenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Mn7+, and one Se1+ atom. In the eighteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Mn7+, and one Se1+ atom. In the nineteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Li1+, one Mn7+, and one Se1+ atom. In the twentieth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Mn7+, and one Se1+ atom. In the twenty-first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mn7+ and one Se1+ atom. In the twenty-second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Mn7+, and one Se1+ atom. In the twenty-third O2- site, O2- is bonded in a bent 120 degrees geometry to one Li1+ and one Se1+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Li1+ and one Se1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on NaGa(SeO3)2 by Materials Project

NaGa(SeO3)2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.53–2.83 Å. Ga3+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Ga–O bond distances ranging from 1.96–2.03 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.72 Å) and two longer (1.73 Å) Se–O bond length. In the second Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. All Se–O bond lengths are 1.74 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Ga3+, and one Se4+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Ga3+ and one Se4+ atom. In the third O2- site, O2- is bonded to two equivalent Na1+, one Ga3+, and one Se4+ atom to form a mixture of distorted corner and edge-sharing ONa2GaSe tetrahedra. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Na1+, one Ga3+, and one Se4+ atom.

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Materials Data on Fe(SeO3)3 by Materials Project

Fe(SeO3)3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Fe2+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent SeO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 2.01–2.08 Å. There are three inequivalent Se+5.33+ sites. In the first Se+5.33+ site, Se+5.33+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with two equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 51–57°. There are a spread of Se–O bond distances ranging from 1.63–1.79 Å. In the second Se+5.33+ site, Se+5.33+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.69 Å) and one longer (1.93 Å) Se–O bond length. In the third Se+5.33+ site, Se+5.33+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.73 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe2+ and one Se+5.33+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two Se+5.33+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe2+ and one Se+5.33+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe2+ and one Se+5.33+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Fe2+ and one Se+5.33+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one Se+5.33+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Fe2+ and one Se+5.33+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one Se+5.33+ atom. In the ninth O2- site, O2- is bonded in a bent 120 degrees geometry to one Fe2+ and one Se+5.33+ atom.

36 MATERIALS SCIENCE↗