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DOE OSTI2020

Materials Data on KCo2H3(SeO5)2 by Materials Project

KCo2H3(SeO5)2 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.75–3.02 Å. Co2+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four SeO4 tetrahedra and edges with two equivalent CoO6 octahedra. There are a spread of Co–O bond distances ranging from 2.04–2.24 Å. There are three 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 0.98 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.07 Å) and one longer (1.46 Å) H–O bond length. There are two inequivalent Se6+ sites. In the first Se6+ site, Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent CoO6 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Se–O bond distances ranging from 1.64–1.71 Å. In the second Se6+ site, Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent CoO6 octahedra. The corner-sharing octahedra tilt angles range from 51–53°. There are a spread of Se–O bond distances ranging from 1.65–1.72 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to one K1+, two equivalent Co2+, and one Se6+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, two equivalent Co2+, and one Se6+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one K1+ and one Se6+ atom. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one K1+ and one Se6+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Co2+, and one Se6+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Co2+, and one Se6+ atom. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Co2+ and two H1+ atoms. In the eighth O2- site, O2- is bonded in a distorted tetrahedral geometry to two equivalent Co2+ and two H1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on H18Se3(NO3)4 by Materials Project

(NH4)4H2(SeO4)3 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of eight ammonium molecules and two H2(SeO4)3 clusters. In each H2(SeO4)3 cluster, there are two 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 (1.52 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 (1.03 Å) and one longer (1.55 Å) H–O bond length. There are three inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There is one shorter (1.67 Å) and three longer (1.68 Å) Se–O bond length. In the second Se2- site, Se2- 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 third Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.65–1.77 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se2- atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one Se2- atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one Se2- atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the tenth O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se2- atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the twelfth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on USe2O9 by Materials Project

USe2O9 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. U6+ is bonded to seven O2- atoms to form distorted UO7 pentagonal bipyramids that share corners with four equivalent SeO4 tetrahedra. There are a spread of U–O bond distances ranging from 1.80–2.44 Å. Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with two equivalent UO7 pentagonal bipyramids and corners with two equivalent SeO4 tetrahedra. There are a spread of Se–O bond distances ranging from 1.66–2.19 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one U6+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one U6+ atom. In the third O2- site, O2- is bonded in a linear geometry to one U6+ and one Se6+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one U6+ and one Se6+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Se6+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na(SeO3)4 by Materials Project

Na(SeO3)4 crystallizes in the monoclinic Pc space group. The structure is one-dimensional and consists of two Na(SeO3)4 ribbons oriented in the (1, 0, 0) direction. Na is bonded to six O atoms to form distorted NaO6 octahedra that share a cornercorner with one SeO4 tetrahedra and an edgeedge with one SeO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.32–2.90 Å. There are four inequivalent Se sites. In the first Se site, Se is bonded to four O atoms to form SeO4 tetrahedra that share a cornercorner with one NaO6 octahedra and an edgeedge with one NaO6 octahedra. The corner-sharing octahedral tilt angles are 73°. There are a spread of Se–O bond distances ranging from 1.63–1.86 Å. In the second Se site, Se is bonded in a trigonal planar geometry to three O atoms. There is one shorter (1.62 Å) and two longer (1.63 Å) Se–O bond length. In the third Se site, Se is bonded in a trigonal non-coplanar geometry to three O atoms. There are a spread of Se–O bond distances ranging from 1.65–1.85 Å. In the fourth Se site, Se is bonded in a trigonal planar geometry to three O atoms. There is one shorter (1.62 Å) and two longer (1.63 Å) Se–O bond length. There are twelve inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Na and one Se atom. In the second O site, O is bonded in a distorted water-like geometry to one Na and one Se atom. In the third O site, O is bonded in a bent 120 degrees geometry to one Na and one Se atom. In the fourth O site, O is bonded in a single-bond geometry to one Se atom. In the fifth O site, O is bonded in a single-bond geometry to one Se atom. In the sixth O site, O is bonded in a bent 120 degrees geometry to one Na and one Se atom. In the seventh O site, O is bonded in a single-bond geometry to one Se atom. In the eighth O site, O is bonded in a bent 120 degrees geometry to one Na and one Se atom. In the ninth O site, O is bonded in a single-bond geometry to one Se atom. In the tenth O site, O is bonded in a 2-coordinate geometry to one Na and two Se atoms. In the eleventh O site, O is bonded in a single-bond geometry to one Se atom. In the twelfth O site, O is bonded in a single-bond geometry to one Se atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cd2Se3N2O15 by Materials Project

Cd2Se3O14N2O crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional and consists of two hydroxylamine, o-amino- molecules and one Cd2Se3O14 framework. In the Cd2Se3O14 framework, Cd2+ is bonded to six O2- atoms to form CdO6 octahedra that share corners with five SeO4 tetrahedra. There are a spread of Cd–O bond distances ranging from 2.26–2.39 Å. There are two 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 CdO6 octahedra. The corner-sharing octahedral tilt angles are 54°. There are a spread of Se–O bond distances ranging from 1.64–1.74 Å. In the second Se+5.33+ site, Se+5.33+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent CdO6 octahedra. The corner-sharing octahedra tilt angles range from 51–55°. There is one shorter (1.67 Å) and three longer (1.68 Å) Se–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Cd2+ and one Se+5.33+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Cd2+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Se+5.33+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Se+5.33+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cd2+ and one Se+5.33+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cd2+ and one Se+5.33+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Cd2+ and one Se+5.33+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cd2+ and one Se+5.33+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KNi2H3(SeO5)2 by Materials Project

KNi2H3(SeO5)2 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.74–3.10 Å. Ni2+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with four SeO4 tetrahedra and edges with two equivalent NiO6 octahedra. There are a spread of Ni–O bond distances ranging from 2.02–2.19 Å. There are three 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 0.97 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.09 Å) and one longer (1.42 Å) H–O bond length. There are two inequivalent Se6+ sites. In the first Se6+ site, Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 48–54°. There are a spread of Se–O bond distances ranging from 1.64–1.72 Å. In the second Se6+ site, Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 51–54°. There are a spread of Se–O bond distances ranging from 1.64–1.72 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one K1+ and one Se6+ atom. In the second O2- site, O2- is bonded in a distorted water-like geometry to one K1+ and one Se6+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Ni2+, and one Se6+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Ni2+, and one Se6+ atom. In the fifth O2- site, O2- is bonded in a distorted tetrahedral geometry to two equivalent Ni2+ and two H1+ atoms. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Ni2+ and two H1+ atoms. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, two equivalent Ni2+, and one Se6+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, two equivalent Ni2+, and one Se6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TlCu2H(SeO5)2 by Materials Project

Cu2TlH(SeO5)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Cu2+ is bonded to six O2- atoms to form distorted CuO6 octahedra that share corners with two equivalent TlO6 octahedra, corners with four equivalent SeO4 tetrahedra, and edges with two equivalent CuO6 octahedra. The corner-sharing octahedral tilt angles are 54°. There are four shorter (1.90 Å) and two longer (2.43 Å) Cu–O bond lengths. Tl3+ is bonded to six O2- atoms to form TlO6 octahedra that share corners with four equivalent CuO6 octahedra and corners with six equivalent SeO4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. There are two shorter (2.89 Å) and four longer (2.90 Å) Tl–O bond lengths. H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.24 Å. Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with three equivalent TlO6 octahedra and corners with four equivalent CuO6 octahedra. The corner-sharing octahedra tilt angles range from 42–79°. There are a spread of Se–O bond distances ranging from 1.65–1.72 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu2+, one Tl3+, and one Se6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cu2+ and one H1+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Tl3+ and one Se6+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Cu2+ and one Se6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbNdSe2O11 by Materials Project

RbNdSe2O11 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Rb is bonded in a 1-coordinate geometry to ten O atoms. There are a spread of Rb–O bond distances ranging from 2.87–3.52 Å. Nd is bonded to six O atoms to form distorted NdO6 pentagonal pyramids that share corners with five SeO4 tetrahedra. There are a spread of Nd–O bond distances ranging from 2.29–2.55 Å. There are two inequivalent Se sites. In the first Se site, Se is bonded to four O atoms to form SeO4 tetrahedra that share corners with two equivalent NdO6 pentagonal pyramids. There is two shorter (1.65 Å) and two longer (1.70 Å) Se–O bond length. In the second Se site, Se is bonded to four O atoms to form SeO4 tetrahedra that share corners with three equivalent NdO6 pentagonal pyramids. There is one shorter (1.67 Å) and three longer (1.68 Å) Se–O bond length. There are eleven inequivalent O sites. In the first O site, O is bonded in a 2-coordinate geometry to one Rb, one Nd, and one Se atom. In the second O site, O is bonded in a distorted linear geometry to one Rb, one Nd, and one Se atom. In the third O site, O is bonded in a 1-coordinate geometry to two equivalent Rb and one Se atom. In the fourth O site, O is bonded in a distorted single-bond geometry to two equivalent Rb and one Se atom. In the fifth O site, O is bonded in a bent 120 degrees geometry to one Nd and one Se atom. In the sixth O site, O is bonded in a distorted bent 150 degrees geometry to one Nd and one Se atom. In the seventh O site, O is bonded in a single-bond geometry to one Se atom. In the eighth O site, O is bonded in a bent 150 degrees geometry to one Rb, one Nd, and one Se atom. In the ninth O site, O is bonded in a single-bond geometry to one Nd atom. In the tenth O site, O is bonded in a 2-coordinate geometry to two equivalent Rb and one O atom. The O–O bond length is 1.24 Å. In the eleventh O site, O is bonded in a 1-coordinate geometry to one Rb and one O atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Se2N3O8 by Materials Project

(N2)3(SeO4)4 is Iron carbide-derived structured and crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of three ammonia molecules and two SeO4 clusters. In each SeO4 cluster, Se4+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.69 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Se4+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to 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 single-bond geometry to one Se4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cu3Pb2Se2(NO7)2 by Materials Project

Cu3Pb2(SeO4)2(NO3)2 crystallizes in the orthorhombic Cmc2_1 space group. The structure is two-dimensional and consists of eight nitric acid molecules and two Cu3Pb2(SeO4)2 sheets oriented in the (0, 0, 1) direction. In each Cu3Pb2(SeO4)2 sheet, there are two inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.92–1.99 Å. In the second Cu2+ site, Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.95–1.97 Å. There are two inequivalent Pb4+ sites. In the first Pb4+ site, Pb4+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Pb–O bond distances ranging from 2.42–2.54 Å. In the second Pb4+ site, Pb4+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Pb–O bond distances ranging from 2.47–2.54 Å. There are two inequivalent Se2+ sites. In the first Se2+ site, Se2+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. All Se–O bond lengths are 1.74 Å. In the second Se2+ site, Se2+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. All Se–O bond lengths are 1.74 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to three Cu2+ and one Pb4+ atom to form distorted corner-sharing OCu3Pb tetrahedra. In the second O2- site, O2- is bonded to three Cu2+ and one Pb4+ atom to form distorted corner-sharing OCu3Pb tetrahedra. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Cu2+, one Pb4+, and one Se2+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Cu2+, one Pb4+, and one Se2+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Cu2+, one Pb4+, and one Se2+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Cu2+, one Pb4+, and one Se2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on USe2NO8 by Materials Project

(U(SeO4)2)2N2 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of four ammonia molecules and one U(SeO4)2 sheet oriented in the (-1, 0, 2) direction. In the U(SeO4)2 sheet, U3+ is bonded in a distorted pentagonal bipyramidal geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 1.79–2.47 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 1.71–1.73 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 1.64–1.69 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one U3+ and one Se4+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Se4+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one U3+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one U3+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one U3+ and one Se4+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one U3+ and one Se4+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one U3+ and one Se4+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one U3+ and one Se4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on H13Se2N3O8 by Materials Project

(NH4)5NH5Se2O8H(SeO4)2 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of five ammonium molecules, one H(SeO4)2 cluster, and one NH5Se2O8 cluster. In the H(SeO4)2 cluster, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.09 Å) and one longer (1.41 Å) H–O bond length. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.70 Å. In the second Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.66 Å) and one longer (1.75 Å) Se–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the seventh O2- site, O2- is bonded in a water-like geometry to one H1+ and one Se2- atom. In the eighth O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se2- atom. In the NH5Se2O8 cluster, N+2.33+ is bonded in a tetrahedral geometry to four H1+ atoms. There is one shorter (1.03 Å) and three longer (1.05 Å) N–H bond length. There are five inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ and one O2- atom. The H–O bond length is 1.73 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the fifth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.08 Å) and one longer (1.42 Å) H–O bond length. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.66 Å) and one longer (1.75 Å) Se–O bond length. In the second Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.70 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se2- atom. In the sixth O2- site, O2- is bonded in a water-like geometry to one H1+ and one Se2- atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one Se2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K2Cd(SeO5)2 by Materials Project

K2Cd(SeO5)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.70–3.16 Å. In the second K site, K is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.78–3.20 Å. Cd is bonded to six O atoms to form CdO6 octahedra that share corners with four SeO4 tetrahedra. There are a spread of Cd–O bond distances ranging from 2.26–2.49 Å. There are two inequivalent Se sites. In the first Se site, Se is bonded to four O atoms to form SeO4 tetrahedra that share corners with two equivalent CdO6 octahedra. The corner-sharing octahedra tilt angles range from 43–61°. There are a spread of Se–O bond distances ranging from 1.65–1.70 Å. In the second Se site, Se is bonded to four O atoms to form SeO4 tetrahedra that share corners with two equivalent CdO6 octahedra. The corner-sharing octahedra tilt angles range from 51–57°. There are a spread of Se–O bond distances ranging from 1.66–1.70 Å. There are ten inequivalent O sites. In the first O site, O is bonded in a 3-coordinate geometry to two equivalent K and one Se atom. In the second O site, O is bonded in a 3-coordinate geometry to two equivalent K and one Se atom. In the third O site, O is bonded in a 4-coordinate geometry to two equivalent K, one Cd, and one Se atom. In the fourth O site, O is bonded in a 4-coordinate geometry to two equivalent K, one Cd, and one Se atom. In the fifth O site, O is bonded to two K, one Cd, and one Se atom to form a mixture of distorted corner and edge-sharing OK2CdSe tetrahedra. In the sixth O site, O is bonded to two K, one Cd, and one Se atom to form a mixture of distorted corner and edge-sharing OK2CdSe tetrahedra. In the seventh O site, O is bonded in a distorted single-bond geometry to one K and one Se atom. In the eighth O site, O is bonded in a distorted single-bond geometry to two K and one Se atom. In the ninth O site, O is bonded in a single-bond geometry to one Cd atom. In the tenth O site, O is bonded in a water-like geometry to one K and one Cd atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaCo2H3(SeO5)2 by Materials Project

NaCo2H3(SeO5)2 crystallizes in the monoclinic Cm 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 2.46–2.97 Å. Co2+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four SeO4 tetrahedra and edges with two equivalent CoO6 octahedra. There are a spread of Co–O bond distances ranging from 2.03–2.20 Å. There are three 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 0.99 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.09 Å) and one longer (1.40 Å) H–O bond length. There are two inequivalent Se6+ sites. In the first Se6+ site, Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent CoO6 octahedra. The corner-sharing octahedra tilt angles range from 48–56°. There are a spread of Se–O bond distances ranging from 1.65–1.71 Å. In the second Se6+ site, Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent CoO6 octahedra. The corner-sharing octahedra tilt angles range from 50–56°. There are a spread of Se–O bond distances ranging from 1.65–1.71 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Co2+, and one Se6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Co2+, and one Se6+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two equivalent Co2+, and one Se6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, two equivalent Co2+, and one Se6+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Co2+ and two H1+ atoms. In the sixth O2- site, O2- is bonded in a distorted tetrahedral geometry to two equivalent Co2+ and two H1+ atoms. In the seventh O2- site, O2- is bonded in a water-like geometry to one Na1+ and one Se6+ atom. In the eighth O2- site, O2- is bonded in a water-like geometry to one Na1+ and one Se6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sc2Se3O10 by Materials Project

Sc2Se3O10 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Sc3+ sites. In the first Sc3+ site, Sc3+ is bonded to seven O2- atoms to form ScO7 pentagonal bipyramids that share corners with two equivalent SeO4 tetrahedra and edges with two equivalent ScO7 pentagonal bipyramids. There are a spread of Sc–O bond distances ranging from 2.04–2.28 Å. In the second Sc3+ site, Sc3+ is bonded to seven O2- atoms to form distorted ScO7 pentagonal bipyramids that share corners with two equivalent SeO4 tetrahedra and edges with two equivalent ScO7 pentagonal bipyramids. There are a spread of Sc–O bond distances ranging from 2.11–2.63 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 1.69–1.76 Å. In the second 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 1.70–1.75 Å. In the third Se+4.67+ site, Se+4.67+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four ScO7 pentagonal bipyramids. There is three shorter (1.66 Å) and one longer (1.68 Å) Se–O bond length. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sc3+ and one Se+4.67+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two Sc3+ and one Se+4.67+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Sc3+ and one Se+4.67+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Sc3+ and one Se+4.67+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sc3+ and one Se+4.67+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sc3+ and one Se+4.67+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Sc3+ and one Se+4.67+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sc3+ and one Se+4.67+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sc3+ and one Se+4.67+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Sc3+ and one Se+4.67+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaNi2H3(SeO5)2 by Materials Project

NaNi2H3(SeO5)2 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.43–2.59 Å. Ni2+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with four SeO4 tetrahedra and edges with two equivalent NiO6 octahedra. There are a spread of Ni–O bond distances ranging from 2.02–2.14 Å. There are three 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 0.98 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the third H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.12 Å) and one longer (1.34 Å) H–O bond length. There are two inequivalent Se6+ sites. In the first Se6+ site, Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 48–57°. There are a spread of Se–O bond distances ranging from 1.64–1.72 Å. In the second Se6+ site, Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 49–58°. There are a spread of Se–O bond distances ranging from 1.65–1.72 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Ni2+ and two H1+ atoms to form distorted corner-sharing ONi2H2 tetrahedra. In the second O2- site, O2- is bonded to two equivalent Ni2+ and two H1+ atoms to form distorted corner-sharing ONi2H2 tetrahedra. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Ni2+, and one Se6+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Ni2+, and one Se6+ atom. In the fifth O2- site, O2- is bonded in a water-like geometry to one Na1+ and one Se6+ atom. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and one Se6+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ni2+ and one Se6+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ni2+ and one Se6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GdSe2NO11 by Materials Project

Gd(SeO4)2NOO2 crystallizes in the triclinic P-1 space group. The structure is two-dimensional and consists of two hydrogen peroxide molecules; two nitroxyl molecules; and one Gd(SeO4)2 sheet oriented in the (0, 0, 1) direction. In the Gd(SeO4)2 sheet, Gd is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Gd–O bond distances ranging from 2.26–2.46 Å. There are two inequivalent Se sites. In the first Se site, Se is bonded in a tetrahedral geometry to four O atoms. There are a spread of Se–O bond distances ranging from 1.66–1.69 Å. In the second Se site, Se is bonded in a trigonal non-coplanar geometry to three O atoms. There are a spread of Se–O bond distances ranging from 1.67–1.72 Å. There are eight inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Gd and one Se atom. In the second O site, O is bonded in a single-bond geometry to one Se atom. In the third O site, O is bonded in a single-bond geometry to one Gd atom. In the fourth O site, O is bonded in a bent 150 degrees geometry to one Gd and one Se atom. In the fifth O site, O is bonded in a distorted bent 120 degrees geometry to one Gd and one Se atom. In the sixth O site, O is bonded in a bent 150 degrees geometry to one Gd and one Se atom. In the seventh O site, O is bonded in a single-bond geometry to one Se atom. In the eighth O site, O is bonded in a bent 120 degrees geometry to one Gd and one Se atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Al12Ge(Se2O35)2 by Materials Project

Al12GeO36(SeO4)2(SeO3)2(O2)10 crystallizes in the monoclinic C2 space group. The structure is zero-dimensional and consists of eight oxygen molecules, six trioxidane molecules, six water molecules, two Al12GeO36 clusters, four SeO3 clusters, and four SeO4 clusters. In each Al12GeO36 cluster, there are six inequivalent Al sites. In the first Al site, Al is bonded in a distorted square co-planar geometry to four O atoms. There are a spread of Al–O bond distances ranging from 1.77–1.85 Å. In the second Al site, Al is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Al–O bond distances ranging from 1.81–2.41 Å. In the third Al site, Al is bonded to five O atoms to form distorted AlO5 trigonal bipyramids that share a cornercorner with one AlO5 trigonal bipyramid and an edgeedge with one AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.83–1.89 Å. In the fourth Al site, Al is bonded to five O atoms to form distorted AlO5 trigonal bipyramids that share a cornercorner with one GeO4 tetrahedra, a cornercorner with one AlO5 trigonal bipyramid, and an edgeedge with one AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.79–1.97 Å. In the fifth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one GeO4 tetrahedra, an edgeedge with one AlO6 octahedra, and an edgeedge with one AlO5 trigonal bipyramid. There are a spread of Al–O bond distances ranging from 1.82–2.06 Å. In the sixth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share a cornercorner with one GeO4 tetrahedra, an edgeedge with one AlO6 octahedra, and an edgeedge with one AlO5 trigonal bipyramid. There are a spread of Al–O bond distances ranging from 1.83–2.00 Å. Ge is bonded to four O atoms to form GeO4 tetrahedra that share corners with four AlO6 octahedra and corners with two equivalent AlO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 52°. There is two shorter (1.75 Å) and two longer (1.81 Å) Ge–O bond length. There are eighteen inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to two Al atoms. In the second O site, O is bonded in a water-like geometry to two Al atoms. In the third O site, O is bonded in a single-bond geometry to one Al atom. In the fourth O site, O is bonded in a water-like geometry to two Al atoms. In the fifth O site, O is bonded in a water-like geometry to two Al atoms. In the sixth O site, O is bonded in a water-like geometry to two Al atoms. In the seventh O site, O is bonded in a water-like geometry to two Al atoms. In the eighth O site, O is bonded in a trigonal planar geometry to two Al and one Ge atom. In the ninth O site, O is bonded in a distorted rectangular see-saw-like geometry to three Al and one Ge atom. In the tenth O site, O is bonded in a single-bond geometry to one Al atom. In the eleventh O site, O is bonded in a single-bond geometry to one Al atom. In the twelfth O site, O is bonded in a single-bond geometry to one Al atom. In the thirteenth O site, O is bonded in a single-bond geometry to one Al atom. In the fourteenth O site, O is bonded in an L-shaped geometry to two equivalent Al atoms. In the fifteenth O site, O is bonded in a water-like geometry to two equivalent Al atoms. In the sixteenth O site, O is bonded in a water-like geometry to two Al atoms. In the seventeenth O site, O is bonded in a water-like geometry to two Al atoms. In the eighteenth O site, O is bonded in a bent 120 degrees geometry to two Al atoms. In each SeO3 cluster, Se is bonded in a trigonal planar geometry to three O atoms. All Se–O bond lengths are 1.63 Å. There are three inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Se atom. In the second O site, O is bonded in a single-bond geometry to one Se atom. In the third O site, O is bonded in a single-bond geometry to one Se atom. In each SeO4 cluster, Se is bonded in a tetrahedral geometry to four O atoms. There are a spread of Se–O bond distances ranging from 1.65–1.75 Å. There are four inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Se atom. In the second O site, O is bonded in a single-bond geometry to one Se atom. In the third O site, O is bonded in a single-bond geometry to one Se atom. In the fourth O site, O is bonded in a single-bond geometry to one Se atom.

36 MATERIALS SCIENCE↗