Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Ba8Co7O19”

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 Ba8Co7O19 by Materials Project

Ba8Co7O19 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are sixteen inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.79–3.15 Å. In the second 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 2.79–2.99 Å. In the third 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 2.59–3.28 Å. In the fourth 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 2.52–3.19 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.30 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.63–2.97 Å. In the seventh Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.59–3.13 Å. In the eighth Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.59–3.13 Å. In the ninth 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 2.68–3.22 Å. In the tenth Ba2+ site, Ba2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.57–2.97 Å. In the eleventh Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.58–3.18 Å. In the twelfth Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.62–2.94 Å. In the thirteenth Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.62–3.03 Å. In the fourteenth Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.61–3.05 Å. In the fifteenth 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 sixteenth 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 2.70–3.21 Å. There are fourteen inequivalent Co+3.14+ sites. In the first Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form distorted edge-sharing CoO5 trigonal bipyramids. There are a spread of Co–O bond distances ranging from 1.75–2.03 Å. In the second Co+3.14+ site, Co+3.14+ is bonded to six O2- atoms to form face-sharing CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.88–2.20 Å. In the third Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form a mixture of distorted face and edge-sharing CoO5 trigonal bipyramids. There are a spread of Co–O bond distances ranging from 1.84–2.23 Å. In the fourth Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form a mixture of face and edge-sharing CoO5 trigonal bipyramids. There are a spread of Co–O bond distances ranging from 1.83–2.15 Å. In the fifth Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form CoO5 trigonal bipyramids that share an edgeedge with one CoO5 trigonal bipyramid and a faceface with one CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.88–2.10 Å. In the sixth Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form distorted edge-sharing CoO5 trigonal bipyramids. There are a spread of Co–O bond distances ranging from 1.79–2.15 Å. In the seventh Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form a mixture of face and edge-sharing CoO5 trigonal bipyramids. There are a spread of Co–O bond distances ranging from 1.83–2.17 Å. In the eighth Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form distorted CoO5 trigonal bipyramids that share an edgeedge with one CoO5 trigonal bipyramid and a faceface with one CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.86–2.17 Å. In the ninth Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form CoO5 trigonal bipyramids that share an edgeedge with one CoO5 trigonal bipyramid and a faceface with one CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.86–2.05 Å. In the tenth Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form a mixture of face and edge-sharing CoO5 trigonal bipyramids. There are a spread of Co–O bond distances ranging from 1.86–2.16 Å. In the eleventh Co+3.14+ site, Co+3.14+ is bonded to six O2- atoms to form face-sharing CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.83–2.19 Å. In the twelfth Co+3.14+ site, Co+3.14+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Co–O bond distances ranging from 1.85–2.01 Å. In the thirteenth Co+3.14+ site, Co+3.14+ is bonded to six O2- atoms to form distorted face-sharing CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.75–2.24 Å. In the fourteenth Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form distorted CoO5 trigonal bipyramids that share an edgeedge with one CoO5 trigonal bipyramid and a faceface with one CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.88–2.34 Å. There are thirty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to four Ba2+ and one Co+3.14+ atom. In the second O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the tenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the eleventh O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the twelfth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the thirteenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the sixteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted trigonal bipyramidal geometry to three Ba2+ and two Co+3.14+ atoms. In the eighteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the nineteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the twentieth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the twenty-first O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the twenty-second O2- site, O2- is bonded in a distorted single-bond geometry to four Ba2+ and one Co+3.14+ atom. In the twenty-third O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the twenty-fifth O2- site, O2- is bonded in a distorted single-bond geometry to four Ba2+ and one Co+3.14+ atom. In the twenty-sixth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the twenty-seventh O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the twenty-eighth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the twenty-ninth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the thirtieth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the thirty-first O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the thirty-second O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the thirty-third O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the thirty-fourth O2- site, O2- is bonded in a 1-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the thirty-fifth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the thirty-sixth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the thirty-seventh O2- site, O2- is bonded in a distorted single-bond geometry to four Ba2+ and one Co+3.14+ atom. In the thirty-eighth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba8Co7O19 by Materials Project

Ba8Co7O19 crystallizes in the orthorhombic Fdd2 space group. The structure is three-dimensional. there are five inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.67–2.89 Å. In the second Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.63–3.17 Å. In the third 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 2.60–3.40 Å. In the fourth 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 2.72–3.17 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.09 Å. There are four inequivalent Co+3.14+ sites. In the first Co+3.14+ site, Co+3.14+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There is two shorter (1.90 Å) and two longer (1.92 Å) Co–O bond length. In the second Co+3.14+ site, Co+3.14+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Co–O bond distances ranging from 1.81–2.55 Å. In the third Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form distorted edge-sharing CoO5 trigonal bipyramids. There are a spread of Co–O bond distances ranging from 1.80–2.12 Å. In the fourth Co+3.14+ site, Co+3.14+ is bonded to five O2- atoms to form a mixture of edge and face-sharing CoO5 trigonal bipyramids. There are a spread of Co–O bond distances ranging from 1.84–1.98 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the second O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two equivalent Co+3.14+ atoms. In the third O2- site, O2- is bonded in a distorted single-bond geometry to four Ba2+ and one Co+3.14+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to four Ba2+ and two equivalent Co+3.14+ atoms. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Co+3.14+ atoms. In the eighth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+3.14+ atoms. In the ninth O2- site, O2- is bonded to three Ba2+ and two Co+3.14+ atoms to form distorted corner-sharing OBa3Co2 trigonal bipyramids. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Co+3.14+ atoms.

36 MATERIALS SCIENCE↗