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Sn(SeO3)2 crystallizes in the cubic Pa-3 space group. The structure is three-dimensional. Sn4+ is bonded in an octahedral geometry to six equivalent O2- atoms. All Sn–O bond lengths are 2.08 Å. Se4+ is bonded in a distorted trigonal non-coplanar geometry to three equivalent O2- atoms. All Se–O bond lengths are 1.74 Å. O2- is bonded in a bent 120 degrees geometry to one Sn4+ and one Se4+ atom.
Pb(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Pb2+ is bonded in an octahedral geometry to six O2- atoms. There are two shorter (2.20 Å) and four longer (2.22 Å) Pb–O bond lengths. Se5+ 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. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Pb2+ and one Se5+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Pb2+ and one Se5+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Pb2+ and one Se5+ atom.
Ag2Hg(SeO3)2 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. there are two inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ag–O bond distances ranging from 2.48–2.86 Å. In the second Ag1+ site, Ag1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ag–O bond distances ranging from 2.44–2.89 Å. Hg2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Hg–O bond distances ranging from 2.27–2.63 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 1.73–1.77 Å. 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 1.73–1.76 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Ag1+, one Hg2+, and one Se4+ atom to form distorted corner-sharing OAg2HgSe trigonal pyramids. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Ag1+, one Hg2+, and one Se4+ atom. In the third O2- site, O2- is bonded to two equivalent Ag1+, one Hg2+, and one Se4+ atom to form distorted corner-sharing OAg2HgSe tetrahedra. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Ag1+, one Hg2+, and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Ag1+, one Hg2+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ag1+, one Hg2+, and one Se4+ atom.
Cu3Tl2(SeO3)6 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded in a 5-coordinate geometry to six O2- atoms. There are a spread of Cu–O bond distances ranging from 1.95–2.72 Å. In the second Cu2+ site, Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.93 Å) and two longer (1.96 Å) Cu–O bond length. Tl1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Tl–O bond distances ranging from 2.26–2.82 Å. There are three inequivalent Se+4.67+ sites. In the first Se+4.67+ site, Se+4.67+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.75–1.77 Å. In the second Se+4.67+ site, Se+4.67+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. All Se–O bond lengths are 1.73 Å. In the third Se+4.67+ site, Se+4.67+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.75 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cu2+ and one Se+4.67+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Tl1+ and one Se+4.67+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Cu2+, one Tl1+, and one Se+4.67+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu2+ and one Se+4.67+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Cu2+, one Tl1+, and one Se+4.67+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Cu2+, one Tl1+, and one Se+4.67+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Cu2+ and one Se+4.67+ atom. In the eighth O2- site, O2- is bonded in a water-like geometry to one Tl1+ and one Se+4.67+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Tl1+ and one Se+4.67+ atom.
NaY(SeO3)2 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Na1+ is bonded in a 7-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.45–2.60 Å. Y3+ is bonded to seven O2- atoms to form distorted corner-sharing YO7 pentagonal bipyramids. There are a spread of Y–O bond distances ranging from 2.29–2.58 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 1.72–1.74 Å. In the second Se4+ site, Se4+ 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. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Na1+, one Y3+, and one Se4+ atom to form distorted corner-sharing ONa2YSe tetrahedra. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Y3+ and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Na1+, one Y3+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Y3+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Y3+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to one Na1+, one Y3+, and one Se4+ atom.
Sm2(SeO3)3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Sm3+ sites. In the first Sm3+ site, Sm3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sm–O bond distances ranging from 2.38–2.76 Å. In the second Sm3+ site, Sm3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sm–O bond distances ranging from 2.35–2.59 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 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 distorted trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.72 Å) and one longer (1.77 Å) Se–O bond length. 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 1.68–1.77 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Sm3+ and one Se4+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two Sm3+ and one Se4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Sm3+ and one Se4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Sm3+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Sm3+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Sm3+ and one Se4+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to two Sm3+ and one Se4+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sm3+ and one Se4+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sm3+ and one Se4+ atom.
NaLa(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.34–2.56 Å. La3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of La–O bond distances ranging from 2.49–2.92 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 (1.72 Å) and one 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. There is two shorter (1.72 Å) and one longer (1.75 Å) Se–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to one Na1+, two equivalent La3+, and one Se4+ atom to form distorted corner-sharing ONaLa2Se tetrahedra. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two equivalent La3+, and one Se4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one La3+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent La3+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two equivalent La3+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one La3+, and one Se4+ atom.
PbCu2(SeO3)3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded in a trigonal bipyramidal geometry to five O2- atoms. There are a spread of Cu–O bond distances ranging from 1.95–2.32 Å. In the second Cu2+ site, Cu2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cu–O bond distances ranging from 1.96–2.50 Å. In the third Cu2+ site, Cu2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Cu–O bond distances ranging from 1.95–2.77 Å. In the fourth Cu2+ site, Cu2+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.95–1.99 Å. There are two inequivalent Pb4+ sites. In the first Pb4+ site, Pb4+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Pb–O bond distances ranging from 2.63–2.88 Å. In the second Pb4+ site, Pb4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.44–2.64 Å. There are six inequivalent Se+3.33+ sites. In the first Se+3.33+ site, Se+3.33+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.78 Å. In the second Se+3.33+ site, Se+3.33+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.77 Å. In the third Se+3.33+ site, Se+3.33+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.77 Å. In the fourth Se+3.33+ site, Se+3.33+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.73 Å) and two longer (1.75 Å) Se–O bond length. In the fifth Se+3.33+ site, Se+3.33+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.78 Å. In the sixth Se+3.33+ site, Se+3.33+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.73–1.77 Å. There are eighteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Cu2+ and one Se+3.33+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two Pb4+ and one Se+3.33+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu2+ and one Se+3.33+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu2+, one Pb4+, and one Se+3.33+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one Cu2+, one Pb4+, and one Se+3.33+ atom. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to two Cu2+ and one Se+3.33+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Cu2+ and one Se+3.33+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu2+ and one Se+3.33+ atom. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two Cu2+ and one Se+3.33+ atom. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to two Cu2+ and one Se+3.33+ atom. In the eleventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu2+, one Pb4+, and one Se+3.33+ atom. In the twelfth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu2+ and one Se+3.33+ atom. In the thirteenth O2- site, O2- is bonded in a 1-coordinate geometry to two Pb4+ and one Se+3.33+ atom. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Cu2+, one Pb4+, and one Se+3.33+ atom. In the fifteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu2+, one Pb4+, and one Se+3.33+ atom. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to two Pb4+ and one Se+3.33+ atom. In the seventeenth O2- site, O2- is bonded in a 3-coordinate geometry to one Cu2+, one Pb4+, and one Se+3.33+ atom. In the eighteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu2+ and one Se+3.33+ atom.
BaCu(SeO3)2 crystallizes in the orthorhombic Pmn2_1 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 2.80–3.31 Å. Cu2+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.95–2.37 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 is one shorter (1.70 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 1.70–1.75 Å. In the third Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.70 Å) and one longer (1.82 Å) Se–O bond length. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+ and one Se4+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Cu2+, and one Se4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Cu2+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Cu2+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Ba2+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Cu2+, and one Se4+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Cu2+, and one Se4+ atom.
Ce2(SeO3)3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ce4+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ce–O bond distances ranging from 2.46–2.82 Å. There are two inequivalent Se+3.33+ sites. In the first Se+3.33+ site, Se+3.33+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.71–1.75 Å. In the second Se+3.33+ site, Se+3.33+ 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. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Ce4+ and one Se+3.33+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Ce4+ and one Se+3.33+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ce4+ and one Se+3.33+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ce4+ and one Se+3.33+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ce4+ and one Se+3.33+ atom.
BaZn(SeO3)2 crystallizes in the monoclinic P2_1/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 2.66–3.10 Å. Zn2+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Zn–O bond distances ranging from 1.96–2.08 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 (1.75 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 1.71–1.76 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ba2+, one Zn2+, and one Se4+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+ and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ba2+, one Zn2+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Ba2+, one Zn2+, and one Se4+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ba2+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Ba2+, one Zn2+, and one Se4+ atom.
KFe(SeO3)2 crystallizes in the orthorhombic Pmn2_1 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 2.76–2.91 Å. In the second 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 2.77–2.90 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 1.99–2.10 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 2.00–2.09 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. All Se–O bond lengths are 1.74 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 is one shorter (1.72 Å) and two longer (1.73 Å) Se–O bond length. In the fourth 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. There are eight 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 3-coordinate geometry to one K1+, one Fe3+, and one Se4+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Fe3+ and one Se4+ atom. In the fourth O2- site, O2- is bonded to two K1+, one Fe3+, and one Se4+ atom to form a mixture of distorted edge and corner-sharing OK2FeSe tetrahedra. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent K1+, one Fe3+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one Fe3+ and one Se4+ atom. In the seventh O2- site, O2- is bonded to two K1+, one Fe3+, and one Se4+ atom to form a mixture of distorted edge and corner-sharing OK2FeSe tetrahedra. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent K1+, one Fe3+, and one Se4+ atom.
BaZn(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Ba2+ is bonded to six O2- atoms to form distorted BaO6 octahedra that share corners with two equivalent BaO6 octahedra and corners with three equivalent ZnO4 trigonal pyramids. The corner-sharing octahedral tilt angles are 58°. There are a spread of Ba–O bond distances ranging from 2.65–2.98 Å. Zn2+ is bonded to four O2- atoms to form distorted ZnO4 trigonal pyramids that share corners with three equivalent BaO6 octahedra. The corner-sharing octahedra tilt angles range from 41–64°. There are a spread of Zn–O bond distances ranging from 1.90–2.09 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 1.67–2.12 Å. In the second Se4+ site, Se4+ is bonded in a water-like geometry to two O2- atoms. There is one shorter (1.76 Å) and one longer (1.82 Å) Se–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Ba2+, one Zn2+, and one Se4+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Ba2+, one Zn2+, and one O2- atom. The O–O bond length is 1.45 Å. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Ba2+, one Zn2+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ba2+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ba2+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Zn2+, one Se4+, and one O2- atom.
LiH3(SeO3)2 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. Li1+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 2.15–2.28 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.04 Å) and one longer (1.53 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 (1.08 Å) and one longer (1.40 Å) H–O bond length. In the third H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.67 Å) H–O bond length. 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 1.68–1.80 Å. 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 1.70–1.83 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one H1+, and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one H1+, and one Se4+ atom. In the third O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one H1+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one H1+, and one Se4+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one H1+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one H1+, and one Se4+ atom.
NaH3(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Na1+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.38–2.64 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.22 Å. In the second 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. 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 1.68–1.83 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one H1+, and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one H1+, and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+, one H1+, and one Se4+ atom.
MgH2(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Mg2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Mg–O bond distances ranging from 2.07–2.16 Å. H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.65 Å) H–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 1.68–1.85 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one Se4+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Mg2+, one H1+, and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+, one H1+, and one Se4+ atom.
AgFe(SeO3)2 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Fe3+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Fe–O bond distances ranging from 2.01–2.06 Å. Ag1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ag–O bond distances ranging from 2.46–2.86 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 1.73–1.75 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 1.72–1.76 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Fe3+, one Ag1+, and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+, one Ag1+, and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Fe3+, one Ag1+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Fe3+, one Ag1+, and one Se4+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+, one Ag1+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Fe3+, one Ag1+, and one Se4+ atom.
PrH(SeO3)2 crystallizes in the orthorhombic Pca2_1 space group. The structure is three-dimensional. there are two inequivalent Pr3+ sites. In the first Pr3+ site, Pr3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Pr–O bond distances ranging from 2.49–2.78 Å. In the second Pr3+ site, Pr3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Pr–O bond distances ranging from 2.49–2.80 Å. There are two 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 1.00 Å. In the second 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. 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 1.71–1.76 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 1.70–1.82 Å. In the third 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 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 1.71–1.77 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Pr3+ and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted water-like geometry to one Pr3+ and one Se4+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Pr3+ and one Se4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Pr3+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two Pr3+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two Pr3+ and one Se4+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Pr3+ and one Se4+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Pr3+ and one Se4+ atom. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to three Pr3+ and one Se4+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Pr3+, one H1+, and one Se4+ atom. In the eleventh O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se4+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one Se4+ atom.