Search NASA⌕ Search

SEARCH · Search NASA

Results for “Mn3B8Mo3”

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 Mn3B8Mo3 by Materials Project

Mo3Mn3B8 crystallizes in the orthorhombic Pmm2 space group. The structure is three-dimensional. there are three inequivalent Mo2+ sites. In the first Mo2+ site, Mo2+ is bonded in a 7-coordinate geometry to seven B+1.50- atoms. There are a spread of Mo–B bond distances ranging from 2.28–2.31 Å. In the second Mo2+ site, Mo2+ is bonded to twelve B+1.50- atoms to form a mixture of face and edge-sharing MoB12 cuboctahedra. There are a spread of Mo–B bond distances ranging from 2.36–2.47 Å. In the third Mo2+ site, Mo2+ is bonded to twelve B+1.50- atoms to form a mixture of face and edge-sharing MoB12 cuboctahedra. There are eight shorter (2.37 Å) and four longer (2.45 Å) Mo–B bond lengths. There are three inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded in a 7-coordinate geometry to seven B+1.50- atoms. There are a spread of Mn–B bond distances ranging from 2.12–2.24 Å. In the second Mn2+ site, Mn2+ is bonded in a 7-coordinate geometry to seven B+1.50- atoms. There are a spread of Mn–B bond distances ranging from 2.16–2.45 Å. In the third Mn2+ site, Mn2+ is bonded in a 7-coordinate geometry to seven B+1.50- atoms. There are a spread of Mn–B bond distances ranging from 2.14–2.24 Å. There are eight inequivalent B+1.50- sites. In the first B+1.50- site, B+1.50- is bonded in a 9-coordinate geometry to four equivalent Mo2+, two equivalent Mn2+, and three B+1.50- atoms. There is two shorter (1.81 Å) and one longer (1.83 Å) B–B bond length. In the second B+1.50- site, B+1.50- is bonded in a 9-coordinate geometry to six Mo2+ and three B+1.50- atoms. All B–B bond lengths are 1.83 Å. In the third B+1.50- site, B+1.50- is bonded in a 9-coordinate geometry to four equivalent Mo2+, two equivalent Mn2+, and three B+1.50- atoms. Both B–B bond lengths are 1.80 Å. In the fourth B+1.50- site, B+1.50- is bonded in a 9-coordinate geometry to four equivalent Mo2+, two equivalent Mn2+, and three B+1.50- atoms. Both B–B bond lengths are 1.80 Å. In the fifth B+1.50- site, B+1.50- is bonded in a 7-coordinate geometry to two equivalent Mo2+, five Mn2+, and two equivalent B+1.50- atoms. In the sixth B+1.50- site, B+1.50- is bonded in a 9-coordinate geometry to six Mo2+, one Mn2+, and two equivalent B+1.50- atoms. In the seventh B+1.50- site, B+1.50- is bonded in a 7-coordinate geometry to two equivalent Mo2+, five Mn2+, and two equivalent B+1.50- atoms. In the eighth B+1.50- site, B+1.50- is bonded in a 9-coordinate geometry to three Mo2+, four equivalent Mn2+, and two equivalent B+1.50- atoms.

36 MATERIALS SCIENCE↗