Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “B-K-O-S”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

Materials Data on K5B(SO4)4 by Materials Project

K5B(SO4)4 crystallizes in the tetragonal P4_1 space group. The structure is three-dimensional. there are five inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.70–2.84 Å. In the second K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.78–3.42 Å. In the third K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.75–3.31 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 2.72–2.95 Å. In the fifth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.72–3.23 Å. B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with four SO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.47–1.49 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 BO4 tetrahedra. There is three shorter (1.47 Å) and one longer (1.60 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 BO4 tetrahedra. There is three shorter (1.47 Å) and one longer (1.61 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 BO4 tetrahedra. There is three shorter (1.47 Å) and one longer (1.60 Å) S–O bond length. In the fourth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one BO4 tetrahedra. There is three shorter (1.47 Å) and one longer (1.59 Å) S–O bond length. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one B3+, and one S6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to four K1+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one B3+, and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one B3+, and one S6+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one B3+, and one S6+ atom. In the fifteenth O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KB(S2O7)2 by Materials Project

KB(S2O7)2 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.80–3.40 Å. In the second K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.84–3.21 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with four SO4 tetrahedra. There is two shorter (1.48 Å) and two longer (1.49 Å) B–O bond length. In the second B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with four SO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.47–1.49 Å. 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 BO4 tetrahedra and a cornercorner with one SO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.43–1.67 Å. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and a cornercorner with one SO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.42–1.65 Å. In the third S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and a cornercorner with one SO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.42–1.64 Å. In the fourth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and a cornercorner with one SO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.43–1.65 Å. In the fifth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and a cornercorner with one SO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.43–1.65 Å. In the sixth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and a cornercorner with one SO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.42–1.67 Å. In the seventh S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and a cornercorner with one SO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.42–1.66 Å. In the eighth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and a cornercorner with one SO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.43–1.66 Å. There are twenty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond 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 bent 150 degrees geometry to one K1+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. 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 single-bond geometry to two K1+ and one S6+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to one S6+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. In the fourteenth O2- site, O2- is bonded in a single-bond geometry to one K1+ and one S6+ atom. In the fifteenth O2- site, O2- is bonded in a single-bond geometry to one K1+ and one S6+ atom. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S6+ atom. In the seventeenth O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S6+ atom. In the eighteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S6+ atom. In the nineteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S6+ atom. In the twentieth O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S6+ atom. In the twenty-first O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S6+ atom. In the twenty-second O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S6+ atom. In the twenty-third O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S6+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S6+ atom. In the twenty-fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two S6+ atoms. In the twenty-sixth O2- site, O2- is bonded in a bent 120 degrees geometry to two S6+ atoms. In the twenty-seventh O2- site, O2- is bonded in a bent 120 degrees geometry to two S6+ atoms. In the twenty-eighth O2- site, O2- is bonded in a bent 120 degrees geometry to two S6+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on KB(SO4)2 by Materials Project

KB(SO4)2 crystallizes in the tetragonal P4/ncc space group. The structure is three-dimensional. K1+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.87 Å) and four longer (2.95 Å) K–O bond lengths. B3+ is bonded to four equivalent O2- atoms to form BO4 tetrahedra that share corners with four equivalent SO4 tetrahedra. All B–O bond lengths are 1.48 Å. S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with two equivalent BO4 tetrahedra. There is two shorter (1.44 Å) and two longer (1.56 Å) S–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K3B(SO4)3 by Materials Project

K3B(SO4)3 crystallizes in the orthorhombic Ibca space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 7-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.81–3.31 Å. In the second K1+ site, K1+ is bonded to eight O2- atoms to form distorted KO8 hexagonal bipyramids that share corners with two equivalent BO4 tetrahedra, corners with four SO4 tetrahedra, edges with two equivalent KO8 hexagonal bipyramids, and edges with two equivalent SO4 tetrahedra. There are a spread of K–O bond distances ranging from 2.73–3.06 Å. B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with two equivalent KO8 hexagonal bipyramids and corners with four SO4 tetrahedra. There is two shorter (1.45 Å) and two longer (1.51 Å) B–O bond length. 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 KO8 hexagonal bipyramid and a cornercorner with one BO4 tetrahedra. There are a spread of S–O bond distances ranging from 1.46–1.62 Å. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with two equivalent KO8 hexagonal bipyramids, corners with two equivalent BO4 tetrahedra, and edges with two equivalent KO8 hexagonal bipyramids. There is two shorter (1.45 Å) and two longer (1.55 Å) S–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent K1+ and one S6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one B3+, and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one B3+, and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K2B2(SO4)3 by Materials Project

K2B2(SO4)3 crystallizes in the cubic P2_13 space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 12-coordinate geometry to six O2- atoms. There are three shorter (3.02 Å) and three longer (3.29 Å) K–O bond lengths. In the second K1+ site, K1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.96 Å) and three longer (3.01 Å) K–O bond lengths. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.38 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. S+5.33+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of S–O bond distances ranging from 1.46–1.79 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one S+5.33+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one S+5.33+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one B3+, and one S+5.33+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S+5.33+ atom.

36 MATERIALS SCIENCE↗