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Materials Data on Mn(SO6)2 by Materials Project

Mn(SO5)2O2 crystallizes in the orthorhombic Pnma space group. The structure is two-dimensional and consists of eight water molecules and two Mn(SO5)2 sheets oriented in the (0, 0, 1) direction. In each Mn(SO5)2 sheet, Mn is bonded to six O atoms to form MnO6 octahedra that share corners with four equivalent SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.79–2.02 Å. S is bonded to four O atoms to form SO4 tetrahedra that share corners with two equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 52–54°. There are a spread of S–O bond distances ranging from 1.45–1.53 Å. There are five inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to one Mn and one S atom. In the second O site, O is bonded in a single-bond geometry to one S atom. In the third O site, O is bonded in a single-bond geometry to one S atom. In the fourth O site, O is bonded in a bent 120 degrees geometry to one Mn and one S atom. In the fifth O site, O is bonded in a single-bond geometry to one Mn atom.

36 MATERIALS SCIENCE↗

Materials Data on MnC2S2(NO6)2 by Materials Project

Mn(SO6)2(CN)2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two hydrogen cyanide molecules and one Mn(SO6)2 cluster. In the Mn(SO6)2 cluster, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.78–1.98 Å. S2+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 55°. There are a spread of S–O bond distances ranging from 1.45–1.53 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one S2+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one S2+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one S2+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mn2+ and one S2+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one Mn2+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one Mn2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Mn3H6(SO6)2 by Materials Project

Mn3H6(SO6)2 crystallizes in the orthorhombic Pbcm space group. The structure is three-dimensional. there are two inequivalent Mn+4.67+ sites. In the first Mn+4.67+ site, Mn+4.67+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent MnO6 octahedra, corners with three SO4 tetrahedra, and edges with two equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 57–61°. There are a spread of Mn–O bond distances ranging from 2.17–2.35 Å. In the second Mn+4.67+ site, Mn+4.67+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with four equivalent MnO6 octahedra and corners with four SO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–61°. There are a spread of Mn–O bond distances ranging from 2.17–2.25 Å. There are four 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 single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are two inequivalent S2+ sites. In the first S2+ site, S2+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four MnO6 octahedra. The corner-sharing octahedra tilt angles range from 39–57°. There are a spread of S–O bond distances ranging from 1.48–1.50 Å. In the second S2+ site, S2+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with six MnO6 octahedra. The corner-sharing octahedra tilt angles range from 41–52°. There is two shorter (1.48 Å) and two longer (1.51 Å) S–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one Mn+4.67+ and two H1+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three Mn+4.67+ and one H1+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mn+4.67+ and one S2+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mn+4.67+ and one S2+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mn+4.67+ and one S2+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to three Mn+4.67+ and one H1+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Mn+4.67+ and one S2+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mn+4.67+ and one S2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K2Mn(SO6)2 by Materials Project

K4Mn(SO5)4MnO4 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional and consists of two MnO4 clusters and one K4Mn(SO5)4 framework. In each MnO4 cluster, Mn is bonded in a square co-planar geometry to four equivalent O atoms. All Mn–O bond lengths are 1.72 Å. O is bonded in a single-bond geometry to one Mn atom. In the K4Mn(SO5)4 framework, there are two inequivalent K sites. In the first K site, K is bonded in a 4-coordinate geometry to four O atoms. There are two shorter (2.69 Å) and two longer (2.73 Å) K–O bond lengths. In the second K site, K is bonded in a 6-coordinate geometry to six O atoms. There are a spread of K–O bond distances ranging from 2.76–3.29 Å. Mn is bonded in a square co-planar geometry to four equivalent O atoms. All Mn–O bond lengths are 1.73 Å. S is bonded in a tetrahedral geometry to four O atoms. There is three shorter (1.48 Å) and one longer (1.49 Å) S–O bond length. There are five inequivalent O sites. In the first O site, O is bonded in a distorted bent 120 degrees geometry to one K and one S atom. In the second O site, O is bonded in a single-bond geometry to one K and one Mn atom. In the third O site, O is bonded in a distorted linear geometry to one K and one S atom. In the fourth O site, O is bonded in a distorted single-bond geometry to one K and one S atom. In the fifth O site, O is bonded in a single-bond geometry to one K and one S atom.

36 MATERIALS SCIENCE↗

Materials Data on MnH8(SO6)2 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on MnH4(SO6)2 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on K2MnH8(SO6)2 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on K2Mn(SO6)2 by Materials Project

K2Mn(SO6)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. K is bonded in a 6-coordinate geometry to nine O atoms. There are a spread of K–O bond distances ranging from 2.89–3.32 Å. There are two inequivalent Mn sites. In the first Mn site, Mn is bonded to six O atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.87–1.89 Å. In the second Mn site, Mn is bonded to six O atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There is four shorter (1.84 Å) and two longer (1.98 Å) Mn–O bond length. There are two inequivalent S sites. In the first S site, S is bonded to four O atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 22°. There is three shorter (1.47 Å) and one longer (1.58 Å) S–O bond length. In the second S site, S is bonded to four O atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 45°. There is three shorter (1.47 Å) and one longer (1.56 Å) S–O bond length. There are nine inequivalent O sites. In the first O site, O is bonded in a 2-coordinate geometry to two equivalent K, one Mn, and one S atom. In the second O site, O is bonded in a distorted single-bond geometry to two equivalent K and one S atom. In the third O site, O is bonded in a distorted single-bond geometry to one K and one Mn atom. In the fourth O site, O is bonded in a distorted single-bond geometry to two equivalent K and one Mn atom. In the fifth O site, O is bonded in a single-bond geometry to two equivalent K and one Mn atom. In the sixth O site, O is bonded in a distorted single-bond geometry to one K and one S atom. In the seventh O site, O is bonded in a distorted single-bond geometry to one K and one S atom. In the eighth O site, O is bonded in a bent 150 degrees geometry to two equivalent K, one Mn, and one S atom. In the ninth O site, O is bonded in a distorted trigonal planar geometry to two equivalent K and one S atom.

36 MATERIALS SCIENCE↗

Materials Data on LiMnH8(SO6)2 by Materials Project

LiMnH8(SO6)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 3-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.90–2.70 Å. In the second Li1+ site, Li1+ is bonded in a 2-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.01–2.61 Å. In the third Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.90–2.68 Å. In the fourth Li1+ site, Li1+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There are one shorter (1.98 Å) and one longer (2.02 Å) Li–O bond lengths. There are four inequivalent Mn3+ sites. In the first Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.15 Å. In the second Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.11 Å. In the third Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.15 Å. In the fourth Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.08 Å. There are thirty-two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.55 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.70 Å) H–O bond length. In the third 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 fourth 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 fifth 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 sixth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.56 Å) H–O bond length. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (0.99 Å) and one longer (1.71 Å) H–O bond length. In the tenth 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 eleventh H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.55 Å) H–O bond length. In the twelfth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.57 Å) H–O bond length. In the thirteenth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.58 Å) H–O bond length. In the fourteenth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.60 Å) H–O bond length. In the fifteenth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.70 Å) H–O bond length. In the sixteenth 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 seventeenth 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 eighteenth H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the nineteenth 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 twentieth 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 twenty-first H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.55 Å) H–O bond length. In the twenty-second H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.57 Å) H–O bond length. In the twenty-third H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.71 Å) H–O bond length. In the twenty-fourth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.71 Å) H–O bond length. In the twenty-fifth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (0.99 Å) and one longer (1.71 Å) H–O bond length. In the twenty-sixth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the twenty-seventh H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.55 Å) H–O bond length. In the twenty-eighth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.59 Å) H–O bond length. In the twenty-ninth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.60 Å) H–O bond length. In the thirtieth 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 thirty-first H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the thirty-second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.52 Å) H–O bond length. There are eight inequivalent S6+ sites. In the first S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 21°. There are a spread of S–O bond distances ranging from 1.46–1.50 Å. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 39°. There are a spread of S–O bond distances ranging from 1.45–1.56 Å. In the third S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of S–O bond distances ranging from 1.46–1.54 Å. In the fourth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 21°. There are a spread of S–O bond distances ranging from 1.46–1.50 Å. In the fifth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 23°. There are a spread of S–O bond distances ranging from 1.47–1.50 Å. In the sixth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 39°. There are a spread of S–O bond distances ranging from 1.45–1.56 Å. In the seventh S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 40°. There are a spread of S–O bond distances ranging from 1.47–1.54 Å. In the eighth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are a spread of S–O bond distances ranging from 1.47–1.50 Å. There are forty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two H1+ and one S6+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Li1+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Mn3+, and one S6+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mn3+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one Mn3+ and two H1+ atoms. In the sixth O2- site, O2- is bonded in a single-bond geometry to one S6+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two H1+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one S6+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to one S6+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn3+ and two H1+ atoms. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to one Mn3+ and two H1+ atoms. In the twelfth O2- site, O2- is bonded in a trigonal planar geometry to one Mn3+ and two H1+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted water-like geometry to one Li1+, one Mn3+, and two H1+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted water-like geometry to one Li1+, one Mn3+, and two H1+ atoms. In the fifteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one H1+, and one S6+ atom. In the sixteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two H1+ and one S6+ atom. In the seventeenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two H1+ and one S6+ atom. In the eighteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+, two H1+, and one S6+ atom. In the nineteenth O2- site, O2- is bonded in a single-bond geometry to one S6+ atom. In the twentieth O2- site, O2- is bonded in a bent 150 degrees geometry to one Li1+ and one S6+ atom. In the twenty-first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Mn3+, and one S6+ atom. In the twenty-second O2- site, O2- is bonded in a distorted water-like geometry to one Mn3+ and two H1+ atoms. In the twenty-third O2- site, O2- is bonded in a bent 150 degrees geometry to one Mn3+ and one S6+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mn3+ and one S6+ atom. In the twenty-fifth O2- site, O2- is bonded in a distorted water-like geometry to one Mn3+ and two H1+ atoms. In the twenty-sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one Mn3+, and one S6+ atom. In the twenty-seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Li1+ and one S6+ atom. In the twenty-eighth O2- site, O2- is bonded in a single-bond geometry to one S6+ atom. In the twenty-ninth O2- site, O2- is bonded in a 1-coordinate geometry to two H1+ and one S6+ atom. In the thirtieth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one S6+ atom. In the thirty-first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one S6+ atom. In the thirty-second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one H1+ and one S6+ atom. In the thirty-third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn3+ and two H1+ atoms. In the thirty-fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Mn3+ and two H1+ atoms. In the thirty-fifth O2- site, O2- i

36 MATERIALS SCIENCE↗

Materials Data on Mn3(SO6)2 by Materials Project

Mn3(SO6)2 crystallizes in the orthorhombic Pbcm space group. The structure is three-dimensional. there are two inequivalent Mn4+ sites. In the first Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with four SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.94–2.15 Å. In the second Mn4+ site, Mn4+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Mn–O bond distances ranging from 1.68–2.35 Å. There are two inequivalent S6+ sites. In the first S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with two equivalent MnO6 octahedra. The corner-sharing octahedral tilt angles are 41°. There is two shorter (1.46 Å) and two longer (1.51 Å) S–O bond length. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with two equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 37–57°. There is one shorter (1.46 Å) and three longer (1.50 Å) S–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 Mn4+ and one S6+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Mn4+ and one S6+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Mn4+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mn4+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mn4+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn4+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn4+ atoms. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mn4+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiMnH8(SO6)2 by Materials Project

LiMnH8(SO6)2 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Li–O bond distances ranging from 1.92–2.11 Å. In the second Li1+ site, Li1+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There are one shorter (1.99 Å) and one longer (2.02 Å) Li–O bond lengths. There are three inequivalent Mn3+ sites. In the first Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.93–2.15 Å. In the second Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.13 Å. In the third Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.11 Å. There are sixteen inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.56 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.70 Å) H–O bond length. In the third 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 fourth 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 fifth 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 sixth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.56 Å) H–O bond length. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.70 Å) H–O bond length. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.68 Å) H–O bond length. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (0.99 Å) and one longer (1.70 Å) H–O bond length. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.70 Å) H–O bond length. In the eleventh H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.54 Å) H–O bond length. In the twelfth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.59 Å) H–O bond length. In the thirteenth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.59 Å) H–O bond length. In the fourteenth 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 fifteenth H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the sixteenth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.53 Å) H–O bond length. There are four inequivalent S6+ sites. In the first S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 23°. There are a spread of S–O bond distances ranging from 1.46–1.50 Å. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of S–O bond distances ranging from 1.46–1.56 Å. In the third S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 43°. There are a spread of S–O bond distances ranging from 1.46–1.54 Å. In the fourth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 24°. There are a spread of S–O bond distances ranging from 1.47–1.50 Å. There are twenty-six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mn3+ and two equivalent H1+ atoms. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Mn3+ and two equivalent H1+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mn3+ and two equivalent H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two H1+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Li1+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Mn3+, and one S6+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Mn3+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a distorted water-like geometry to one Mn3+ and two H1+ atoms. In the ninth O2- site, O2- is bonded in a single-bond geometry to one S6+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to two H1+ and one S6+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one S6+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one S6+ atom. In the thirteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn3+ and two H1+ atoms. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Mn3+ and two H1+ atoms. In the fifteenth O2- site, O2- is bonded in a trigonal planar geometry to one Mn3+ and two equivalent H1+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted water-like geometry to one Mn3+ and two H1+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted water-like geometry to one Mn3+ and two H1+ atoms. In the eighteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one H1+, and one S6+ atom. In the nineteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two H1+ and one S6+ atom. In the twentieth O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+, two H1+, and one S6+ atom. In the twenty-first O2- site, O2- is bonded in a single-bond geometry to one S6+ atom. In the twenty-second O2- site, O2- is bonded in a distorted water-like geometry to one Mn3+ and two H1+ atoms. In the twenty-third O2- site, O2- is bonded in a bent 150 degrees geometry to one Mn3+ and one S6+ atom. In the twenty-fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Mn3+ and one S6+ atom. In the twenty-fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Li1+ and one S6+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Li2MnH8(SO6)2 by Materials Project

Li2MnH8(SO6)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Li–O bond distances ranging from 1.95–2.11 Å. In the second Li1+ site, Li1+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.10–2.69 Å. There are two inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.18–2.21 Å. In the second Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.15–2.18 Å. There are eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.67 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 0.99 Å. In the third 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 fourth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (0.99 Å) and one longer (1.70 Å) H–O bond length. In the fifth 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 sixth 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 seventh 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 eighth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are two inequivalent S6+ sites. In the first S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 12°. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 33°. There are a spread of S–O bond distances ranging from 1.48–1.51 Å. There are thirteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two H1+ and one S6+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Li1+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one Mn2+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one Mn2+ and two H1+ atoms. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one Mn2+ and two H1+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mn2+ and two equivalent H1+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mn2+ and two equivalent H1+ atoms. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+ and one S6+ atom. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Mn2+, and one S6+ atom. In the tenth O2- site, O2- is bonded in a bent 120 degrees geometry to one Li1+ and one S6+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Li1+ and one S6+ atom. In the twelfth O2- site, O2- is bonded in a linear geometry to one Mn2+ and one S6+ atom. In the thirteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K2Mn(SO6)2 by Materials Project

K2Mn(SO6)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent K sites. In the first K site, K is bonded in a distorted hexagonal planar geometry to six O atoms. There are a spread of K–O bond distances ranging from 2.74–2.95 Å. In the second K site, K is bonded in a 6-coordinate geometry to six O atoms. There are a spread of K–O bond distances ranging from 2.67–3.21 Å. In the third K site, K is bonded in a 6-coordinate geometry to six O atoms. There are a spread of K–O bond distances ranging from 2.67–3.21 Å. There are three inequivalent Mn sites. In the first Mn site, Mn is bonded in a square co-planar geometry to four equivalent O atoms. All Mn–O bond lengths are 1.78 Å. In the second Mn site, Mn is bonded in a square co-planar geometry to four equivalent O atoms. All Mn–O bond lengths are 1.98 Å. In the third Mn site, Mn is bonded in a rectangular see-saw-like geometry to four equivalent O atoms. All Mn–O bond lengths are 1.98 Å. S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.48–1.50 Å. There are seven inequivalent O sites. In the first O site, O is bonded in a distorted single-bond geometry to one K and one S atom. In the second O site, O is bonded in a 3-coordinate geometry to one K, one Mn, and one O atom. The O–O bond length is 1.34 Å. In the third O site, O is bonded in a distorted single-bond geometry to one K and one Mn atom. In the fourth O site, O is bonded in a 3-coordinate geometry to one K, one Mn, and one O atom. The O–O bond length is 1.34 Å. In the fifth O site, O is bonded in a distorted single-bond geometry to one K and one S atom. In the sixth O site, O is bonded in a distorted single-bond geometry to one K and one S atom. In the seventh O site, O is bonded in a distorted linear geometry to one K and one S atom.

36 MATERIALS SCIENCE↗

Materials Data on K2MnH8(SO6)2 by Materials Project

K2MnH8(SO6)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 10-coordinate geometry to two H1+ and eight O2- atoms. There are one shorter (2.88 Å) and one longer (3.01 Å) K–H bond lengths. There are a spread of K–O bond distances ranging from 2.72–3.15 Å. In the second K1+ site, K1+ is bonded in a 1-coordinate geometry to one H1+ and nine O2- atoms. The K–H bond length is 2.93 Å. There are a spread of K–O bond distances ranging from 2.77–3.17 Å. There are two inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.12–2.22 Å. In the second Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.19–2.21 Å. There are eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. 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. In the third 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 fourth H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one K1+ and one O2- atom. The H–O bond length is 1.00 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.71 Å) H–O bond length. In the seventh 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 eighth H1+ site, H1+ is bonded in a single-bond geometry to two K1+ and one O2- atom. The H–O bond length is 0.99 Å. There are two inequivalent S6+ sites. In the first S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are a spread of S–O bond distances ranging from 1.48–1.51 Å. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 36°. There is two shorter (1.49 Å) and two longer (1.50 Å) S–O bond length. There are thirteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Mn2+, and one S6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one K1+, one Mn2+, and two H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one K1+, one Mn2+, and two H1+ atoms. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to two equivalent K1+, one Mn2+, and two equivalent H1+ atoms. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to two equivalent K1+, one Mn2+, and two equivalent H1+ atoms. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to one Mn2+ and two H1+ atoms. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, two H1+, and one S6+ atom. In the tenth O2- site, O2- is bonded in a single-bond geometry to one K1+ and one S6+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the twelfth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two K1+, one Mn2+, and one S6+ atom. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two K1+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K2MnH8(SO6)2 by Materials Project

K2MnH8(SO6)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 10-coordinate geometry to one H1+ and nine O2- atoms. The K–H bond length is 2.95 Å. There are a spread of K–O bond distances ranging from 2.79–3.25 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 2.74–2.96 Å. In the third K1+ site, K1+ is bonded in a 6-coordinate geometry to one H1+ and eight O2- atoms. The K–H bond length is 2.96 Å. There are a spread of K–O bond distances ranging from 2.79–3.20 Å. In the fourth 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 2.77–2.95 Å. There are two inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.14–2.23 Å. In the second Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two SO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.20–2.22 Å. There are sixteen 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 single-bond geometry to one K1+ and one O2- atom. The H–O bond length is 0.99 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one K1+ and one O2- atom. The H–O bond length is 0.99 Å. In the fifth 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 sixth 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 seventh H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (0.99 Å) and one longer (1.69 Å) H–O bond length. In the eighth H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.67 Å) H–O bond length. In the ninth H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the tenth H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the eleventh H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the twelfth 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 thirteenth 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 fourteenth 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 fifteenth 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 sixteenth 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 S6+ sites. In the first S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 34°. There is two shorter (1.49 Å) and two longer (1.50 Å) S–O bond length. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 32°. There is three shorter (1.49 Å) and one longer (1.50 Å) S–O bond length. In the third S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. In the fourth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one S6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to one Mn2+ and two H1+ atoms. In the eighth O2- site, O2- is bonded in a distorted water-like geometry to one Mn2+ and two H1+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mn2+, and one S6+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Mn2+, and one S6+ atom. In the eleventh O2- site, O2- is bonded in a distorted water-like geometry to one K1+, one Mn2+, and two H1+ atoms. In the twelfth O2- site, O2- is bonded in a distorted water-like geometry to one K1+, one Mn2+, and two H1+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two K1+, one Mn2+, and one S6+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Mn2+, and one S6+ atom. In the fifteenth O2- site, O2- is bonded in a distorted water-like geometry to one K1+, one Mn2+, and two H1+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted water-like geometry to one K1+, one Mn2+, and two H1+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted water-like geometry to one K1+, one Mn2+, and two H1+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted water-like geometry to one K1+, one Mn2+, and two H1+ atoms. In the nineteenth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the twentieth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. In the twenty-first O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one H1+, and one S6+ atom. In the twenty-second O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, one H1+, and one S6+ atom. In the twenty-third O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the twenty-fourth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on MnH20C2S2(NO2)6 by Materials Project

MnH8(SO6)2(CN3H6)2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two guanidinium molecules and one MnH8(SO6)2 cluster. In the MnH8(SO6)2 cluster, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent SO4 tetrahedra. There are four shorter (2.18 Å) and two longer (2.25 Å) Mn–O bond lengths. There are four 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 0.99 Å. In the third 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 fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. S2- is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 31°. There is two shorter (1.49 Å) and two longer (1.50 Å) S–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one Mn2+ and two H1+ atoms. In the second O2- site, O2- is bonded in a single-bond geometry to one S2- atom. In the third O2- site, O2- is bonded in a single-bond geometry to one S2- atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mn2+ and one S2- atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one S2- atom. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to one Mn2+ and two H1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NaMn3CuH24(SO6)4 by Materials Project

NaMn3CuH24(SO6)4 crystallizes in the trigonal R3c space group. The structure is three-dimensional. Na1+ is bonded in an octahedral geometry to six O2- atoms. There are three shorter (2.46 Å) and three longer (2.47 Å) Na–O bond lengths. Mn7+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with four SCuO3 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.16–2.28 Å. Cu2+ is bonded in a tetrahedral geometry to four S atoms. There are one shorter (2.28 Å) and three longer (2.29 Å) Cu–S bond lengths. There are eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 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 single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the fourth 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 fifth 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 sixth 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 seventh 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 eighth H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.62 Å) H–O bond length. There are two inequivalent S sites. In the first S site, S is bonded to one Cu2+ and three equivalent O2- atoms to form distorted SCuO3 tetrahedra that share corners with three equivalent MnO6 octahedra and corners with three equivalent SCuO3 tetrahedra. The corner-sharing octahedral tilt angles are 50°. All S–O bond lengths are 1.53 Å. In the second S site, S is bonded to one Cu2+ and three O2- atoms to form distorted SCuO3 tetrahedra that share corners with three equivalent MnO6 octahedra and corners with three SCuO3 tetrahedra. The corner-sharing octahedra tilt angles range from 43–50°. There are a spread of S–O bond distances ranging from 1.51–1.55 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the second O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and three H1+ atoms. In the third O2- site, O2- is bonded in a distorted water-like geometry to one Mn7+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Mn7+ and one S atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mn7+ and one S atom. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to one Mn7+ and two H1+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mn7+ and one S atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Mn7+ and one S atom.

36 MATERIALS SCIENCE↗