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Materials Data on Ba5As2(SO6)2 by Materials Project

Ba5As2SO12S crystallizes in the monoclinic Pm space group. The structure is three-dimensional and consists of two hydrogen sulfide molecules and one Ba5As2SO12 framework. In the Ba5As2SO12 framework, there are eight inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.25 Å. In the second Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.70–3.37 Å. In the third Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–3.18 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–3.18 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.25 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–3.35 Å. In the seventh Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.70–3.14 Å. In the eighth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.74–3.11 Å. There are four inequivalent As5+ sites. In the first As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. All As–O bond lengths are 1.73 Å. In the second As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. All As–O bond lengths are 1.73 Å. In the third As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.73 Å) and one longer (1.74 Å) As–O bond length. In the fourth As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.72 Å) and two longer (1.73 Å) As–O bond length. There are two inequivalent S2+ sites. In the first S2+ site, S2+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.49 Å) and two longer (1.50 Å) S–O bond length. In the second S2+ site, S2+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.49 Å) and two longer (1.50 Å) S–O bond length. There are eighteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one S2+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one S2+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one S2+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one S2+ atom. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the thirteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the fourteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom. In the fifteenth O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one S2+ atom. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one S2+ atom. In the seventeenth O2- site, O2- is bonded in a 4-coordinate geometry to three Ba2+ and one As5+ atom. In the eighteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ba3As2S8O7 by Materials Project

Ba3As2S8O7 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to three S+0.25- and five O2- atoms. There are a spread of Ba–S bond distances ranging from 3.20–3.67 Å. There are a spread of Ba–O bond distances ranging from 2.62–2.99 Å. In the second Ba2+ site, Ba2+ is bonded in a 4-coordinate geometry to two S+0.25- and four O2- atoms. There are one shorter (3.29 Å) and one longer (3.58 Å) Ba–S bond lengths. There are a spread of Ba–O bond distances ranging from 2.68–2.79 Å. In the third Ba2+ site, Ba2+ is bonded in a 5-coordinate geometry to one S+0.25- and four O2- atoms. The Ba–S bond length is 3.21 Å. There are a spread of Ba–O bond distances ranging from 2.72–2.81 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded in a distorted single-bond geometry to one O2- atom. The As–O bond length is 1.76 Å. In the second As5+ site, As5+ is bonded in a distorted trigonal non-coplanar geometry to three S+0.25- atoms. There are a spread of As–S bond distances ranging from 2.20–2.70 Å. There are eight inequivalent S+0.25- sites. In the first S+0.25- site, S+0.25- is bonded in a distorted single-bond geometry to one Ba2+, one As5+, one S+0.25-, and one O2- atom. The S–S bond length is 2.05 Å. The S–O bond length is 1.56 Å. In the second S+0.25- site, S+0.25- is bonded in a distorted single-bond geometry to one O2- atom. The S–O bond length is 1.56 Å. In the third S+0.25- site, S+0.25- is bonded in a 2-coordinate geometry to two Ba2+ and one S+0.25- atom. In the fourth S+0.25- site, S+0.25- is bonded in a single-bond geometry to one O2- atom. The S–O bond length is 1.58 Å. In the fifth S+0.25- site, S+0.25- is bonded in a distorted single-bond geometry to one O2- atom. The S–O bond length is 1.60 Å. In the sixth S+0.25- site, S+0.25- is bonded in a 1-coordinate geometry to three Ba2+, one As5+, and two O2- atoms. There are one shorter (3.28 Å) and one longer (3.47 Å) S–O bond lengths. In the seventh S+0.25- site, S+0.25- is bonded in a single-bond geometry to one O2- atom. The S–O bond length is 1.52 Å. In the eighth S+0.25- site, S+0.25- is bonded in a 2-coordinate geometry to one As5+ and one O2- atom. The S–O bond length is 1.58 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ba2+ and one S+0.25- atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two Ba2+ and one As5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Ba2+ and two S+0.25- atoms. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Ba2+ and one S+0.25- atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ba2+ and two S+0.25- atoms. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to two Ba2+ and one S+0.25- atom. In the seventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Ba2+ and one S+0.25- atom.

36 MATERIALS SCIENCE↗

Materials Data on Ba5As3SO12 by Materials Project

Ba5As3SO12 crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.09 Å. In the second Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to two equivalent S1- and six O2- atoms. Both Ba–S bond lengths are 3.35 Å. There are a spread of Ba–O bond distances ranging from 2.63–3.21 Å. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with two equivalent SBa6O6 cuboctahedra. There is three shorter (1.73 Å) and one longer (1.74 Å) As–O bond length. S1- is bonded to six equivalent Ba2+ and six equivalent O2- atoms to form distorted SBa6O6 cuboctahedra that share corners with six equivalent AsO4 tetrahedra and faces with two equivalent SBa6O6 cuboctahedra. All S–O bond lengths are 3.54 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Ba2+ and one As5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+, one As5+, and one S1- atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one As5+ atom.

36 MATERIALS SCIENCE↗