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DOE OSTI2020

Materials Data on BaSO4 by Materials Project

BaSO4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.13 Å. S6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of S–O bond distances ranging from 1.48–1.51 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one S6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one S6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaSO4 by Materials Project

BaSO4 crystallizes in the cubic F-43m space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to twelve equivalent O2- atoms. All Ba–O bond lengths are 3.09 Å. S6+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All S–O bond lengths are 1.49 Å. O2- is bonded in a single-bond geometry to three equivalent Ba2+ and one S6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaSO2 by Materials Project

BaSO2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ba2+ is bonded in a distorted hexagonal planar geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.66–3.00 Å. S2+ is bonded in a water-like geometry to two O2- atoms. There is one shorter (1.57 Å) and one longer (1.60 Å) S–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Ba2+ and one S2+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one S2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba16S16O59 by Materials Project

Ba16S16O59 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are sixteen inequivalent Ba sites. In the first Ba site, Ba is bonded in a 11-coordinate geometry to eleven O atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.28 Å. In the second Ba site, Ba is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.10 Å. In the third Ba site, Ba is bonded in a 11-coordinate geometry to eleven O atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.29 Å. In the fourth Ba site, Ba is bonded in a 10-coordinate geometry to ten O atoms. There are a spread of Ba–O bond distances ranging from 2.75–3.20 Å. In the fifth Ba site, Ba is bonded in a 11-coordinate geometry to eleven O atoms. There are a spread of Ba–O bond distances ranging from 2.79–3.37 Å. In the sixth Ba site, Ba is bonded in a 10-coordinate geometry to ten O atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.31 Å. In the seventh Ba site, Ba is bonded in a 11-coordinate geometry to eleven O atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.32 Å. In the eighth Ba site, Ba is bonded in a 11-coordinate geometry to eleven O atoms. There are a spread of Ba–O bond distances ranging from 2.79–3.31 Å. In the ninth Ba site, Ba is bonded in a 11-coordinate geometry to eleven O atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.35 Å. In the tenth Ba site, Ba is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.37 Å. In the eleventh Ba site, Ba is bonded in a 11-coordinate geometry to eleven O atoms. There are a spread of Ba–O bond distances ranging from 2.74–3.31 Å. In the twelfth Ba site, Ba is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.38 Å. In the thirteenth Ba site, Ba is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.43 Å. In the fourteenth Ba site, Ba is bonded in a 11-coordinate geometry to eleven O atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.32 Å. In the fifteenth Ba site, Ba is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of Ba–O bond distances ranging from 2.78–3.44 Å. In the sixteenth Ba site, Ba is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of Ba–O bond distances ranging from 2.79–3.37 Å. There are sixteen inequivalent S sites. In the first S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. In the second S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. In the third S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. In the fourth S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. In the fifth S site, S is bonded in a trigonal non-coplanar geometry to three O atoms. There is one shorter (1.54 Å) and two longer (1.55 Å) S–O bond length. In the sixth S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. In the seventh S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. In the eighth S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.51 Å. In the ninth S site, S is bonded in a trigonal non-coplanar geometry to three O atoms. There are a spread of S–O bond distances ranging from 1.54–1.56 Å. In the tenth S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.48–1.51 Å. In the eleventh S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.48–1.51 Å. In the twelfth S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.48–1.51 Å. In the thirteenth S site, S is bonded in a trigonal non-coplanar geometry to three O atoms. There are a spread of S–O bond distances ranging from 1.53–1.56 Å. In the fourteenth S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.48–1.51 Å. In the fifteenth S site, S is bonded in a trigonal non-coplanar geometry to three O atoms. There is one shorter (1.53 Å) and two longer (1.55 Å) S–O bond length. In the sixteenth S site, S is bonded in a trigonal non-coplanar geometry to three O atoms. There is one shorter (1.54 Å) and two longer (1.55 Å) S–O bond length. There are fifty-nine inequivalent O sites. In the first O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the second O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the third O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fourth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fifth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the sixth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the seventh O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the eighth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the ninth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the tenth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the eleventh O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twelfth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirteenth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fourteenth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fifteenth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the sixteenth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the seventeenth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the eighteenth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the nineteenth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twentieth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twenty-first O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twenty-second O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twenty-third O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twenty-fourth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twenty-fifth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twenty-sixth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twenty-seventh O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twenty-eighth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the twenty-ninth O site, O is bonded in a distorted tetrahedral geometry to three Ba and one S atom. In the thirtieth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirty-first O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirty-second O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirty-third O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirty-fourth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirty-fifth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirty-sixth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirty-seventh O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirty-eighth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the thirty-ninth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fortieth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the forty-first O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the forty-second O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the forty-third O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the forty-fourth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the forty-fifth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the forty-sixth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the forty-seventh O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the forty-eighth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the forty-ninth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fiftieth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fifty-first O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fifty-second O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fifty-third O site, O is bonded in a 4-coordinate geometry to three Ba and one S atom. In the fifty-fourth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fifty-fifth O site, O is bonded in a distorted tetrahedral geometry to three Ba and one S atom. In the fifty-sixth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fifty-seventh O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fifty-eighth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom. In the fifty-ninth O site, O is bonded in a distorted single-bond geometry to three Ba and one S atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaSO3 by Materials Project

BaSO3 is Potassium chlorate structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.82–3.01 Å. S4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. All S–O bond lengths are 1.55 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one S4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one S4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaS4O13 by Materials Project

BaS4O13 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.82–3.03 Å. There are two inequivalent S6+ sites. In the first S6+ site, S6+ is bonded to four O2- atoms to form corner-sharing SO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.43–1.65 Å. In the second S6+ site, S6+ is bonded to four O2- atoms to form distorted corner-sharing SO4 tetrahedra. There is three shorter (1.44 Å) and one longer (1.87 Å) S–O bond length. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Ba2+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one Ba2+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent S6+ atoms. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to two S6+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaSO4 by Materials Project

BaSO4 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to eleven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.83–3.29 Å. S6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of S–O bond distances ranging from 1.48–1.51 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to two equivalent Ba2+ and one S6+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to three equivalent Ba2+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one S6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaS5O8 by Materials Project

BaS2O8(S)3 crystallizes in the orthorhombic Pnma space group. The structure is two-dimensional and consists of twelve hydrogen sulfide molecules and two BaS2O8 sheets oriented in the (0, 0, 1) direction. In each BaS2O8 sheet, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.75–2.95 Å. S+2.80+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.46 Å) and one longer (1.48 Å) S–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+2.80+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+2.80+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ba2+ atoms. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Ba2+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+2.80+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba(SO4)2 by Materials Project

BaS2O8 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional and consists of four hydrogen peroxide molecules and one Ba(SO3)2 framework. In the Ba(SO3)2 framework, Ba is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Ba–O bond distances ranging from 2.63–2.81 Å. S is bonded in a trigonal non-coplanar geometry to three O atoms. All S–O bond lengths are 1.47 Å. There are three inequivalent O sites. In the first O site, O is bonded in a distorted bent 150 degrees geometry to one Ba and one S atom. In the second O site, O is bonded in a bent 150 degrees geometry to one Ba and one S atom. In the third O site, O is bonded in a distorted single-bond geometry to one Ba and one S atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba(SO4)5 by Materials Project

Ba(SO4)5 is Iron carbide-derived structured and crystallizes in the orthorhombic P2_12_12_1 space group. The structure is one-dimensional and consists of two Ba(SO4)5 ribbons oriented in the (1, 0, 0) direction. Ba is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.44 Å. There are five inequivalent S sites. In the first S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.49 Å. In the second S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.49 Å. In the third S site, S is bonded in a tetrahedral geometry to four O atoms. There is three shorter (1.48 Å) and one longer (1.50 Å) S–O bond length. In the fourth S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.49 Å. In the fifth S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.47–1.50 Å. There are twenty inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one S atom. In the second O site, O is bonded in a distorted single-bond geometry to two equivalent Ba and one S atom. In the third O site, O is bonded in a distorted single-bond geometry to two equivalent Ba and one S atom. In the fourth O site, O is bonded in a distorted single-bond geometry to one Ba and one S atom. In the fifth O site, O is bonded in a single-bond geometry to one S atom. In the sixth O site, O is bonded in a single-bond geometry to one S atom. In the seventh O site, O is bonded in a single-bond geometry to one S atom. In the eighth O site, O is bonded in a distorted single-bond geometry to one Ba and one S atom. In the ninth O site, O is bonded in a distorted single-bond geometry to one Ba and one S atom. In the tenth O site, O is bonded in a single-bond geometry to two equivalent Ba and one S atom. In the eleventh O site, O is bonded in a single-bond geometry to one Ba and one S atom. In the twelfth O site, O is bonded in a single-bond geometry to one Ba and one S atom. In the thirteenth O site, O is bonded in a single-bond geometry to one S atom. In the fourteenth O site, O is bonded in a single-bond geometry to one S atom. In the fifteenth O site, O is bonded in a single-bond geometry to one S atom. In the sixteenth O site, O is bonded in a single-bond geometry to one Ba and one S atom. In the seventeenth O site, O is bonded in a single-bond geometry to one S atom. In the eighteenth O site, O is bonded in a single-bond geometry to one S atom. In the nineteenth O site, O is bonded in a single-bond geometry to one S atom. In the twentieth O site, O is bonded in a single-bond geometry to one S atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba(SO2)2 by Materials Project

Ba(SO2)2 crystallizes in the orthorhombic Pbcn space group. The structure is two-dimensional and consists of two Ba(SO2)2 sheets oriented in the (0, 0, 1) direction. Ba2+ is bonded in a 5-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.59–3.37 Å. There are two inequivalent S3+ sites. In the first S3+ site, S3+ is bonded in a single-bond geometry to one O2- atom. The S–O bond length is 1.55 Å. In the second S3+ site, S3+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.49 Å) and one longer (1.50 Å) S–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Ba2+ and one S3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Ba2+ and one S3+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ba2+ and one S3+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one S3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaS5O8 by Materials Project

BaS2O8(S)3 crystallizes in the triclinic P-1 space group. The structure is two-dimensional and consists of six hydrogen sulfide molecules and one BaS2O8 sheet oriented in the (0, 0, 1) direction. In the BaS2O8 sheet, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.75–2.96 Å. There are two inequivalent S+2.80+ sites. In the first S+2.80+ site, S+2.80+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.46 Å) and one longer (1.47 Å) S–O bond length. In the second S+2.80+ site, S+2.80+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of S–O bond distances ranging from 1.45–1.48 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+2.80+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+2.80+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+2.80+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+2.80+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+2.80+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+2.80+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ba2+ atoms. In the eighth O2- site, O2- is bonded in a single-bond geometry to one Ba2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba(SO2)4 by Materials Project

BaS3O8S crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of four hydrogen sulfide molecules and one BaS3O8 framework. In the BaS3O8 framework, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.75–3.13 Å. There are three inequivalent S+3.50+ sites. In the first S+3.50+ site, S+3.50+ is bonded in a single-bond geometry to one O2- atom. The S–O bond length is 1.49 Å. In the second S+3.50+ site, S+3.50+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.46 Å) and one longer (1.47 Å) S–O bond length. In the third S+3.50+ site, S+3.50+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.45 Å) and two longer (1.46 Å) S–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 Ba2+ and one S+3.50+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+3.50+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Ba2+ and one S+3.50+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ba2+ atoms. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+3.50+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+3.50+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+3.50+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one S+3.50+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaS4O by Materials Project

BaS4O crystallizes in the orthorhombic P2_12_12 space group. The structure is one-dimensional and consists of two BaS4O ribbons oriented in the (0, 1, 0) direction. Ba2+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both Ba–O bond lengths are 2.57 Å. There are four inequivalent S sites. In the first S site, S is bonded in a distorted water-like geometry to one S and one O2- atom. The S–S bond length is 2.03 Å. The S–O bond length is 2.56 Å. In the second S site, S is bonded in a distorted water-like geometry to one S and one O2- atom. The S–S bond length is 2.03 Å. The S–O bond length is 2.55 Å. In the third S site, S is bonded in a water-like geometry to two S atoms. The S–S bond length is 2.12 Å. In the fourth S site, S is bonded in a water-like geometry to two S atoms. The S–S bond length is 2.11 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to two equivalent Ba2+ and two equivalent S atoms. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Ba2+ and two equivalent S atoms.

36 MATERIALS SCIENCE↗