Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “La14Au51”

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 La14Au51 by Materials Project

Au51La14 crystallizes in the hexagonal P-6 space group. The structure is three-dimensional. there are five inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 11-coordinate geometry to fourteen Au+0.82- atoms. There are a spread of La–Au bond distances ranging from 3.17–3.44 Å. In the second La3+ site, La3+ is bonded in a 9-coordinate geometry to fourteen Au+0.82- atoms. There are a spread of La–Au bond distances ranging from 3.17–3.42 Å. In the third La3+ site, La3+ is bonded in a 2-coordinate geometry to fourteen Au+0.82- atoms. There are a spread of La–Au bond distances ranging from 3.18–3.72 Å. In the fourth La3+ site, La3+ is bonded in a 1-coordinate geometry to fourteen Au+0.82- atoms. There are a spread of La–Au bond distances ranging from 3.00–3.44 Å. In the fifth La3+ site, La3+ is bonded in a 9-coordinate geometry to fifteen Au+0.82- atoms. There are a spread of La–Au bond distances ranging from 3.20–3.45 Å. There are thirteen inequivalent Au+0.82- sites. In the first Au+0.82- site, Au+0.82- is bonded in a 12-coordinate geometry to four La3+ and eight Au+0.82- atoms. There are a spread of Au–Au bond distances ranging from 2.86–3.16 Å. In the second Au+0.82- site, Au+0.82- is bonded to four La3+ and eight Au+0.82- atoms to form a mixture of distorted face and edge-sharing AuLa4Au8 cuboctahedra. There are a spread of Au–Au bond distances ranging from 2.83–2.97 Å. In the third Au+0.82- site, Au+0.82- is bonded in a 12-coordinate geometry to four La3+ and eight Au+0.82- atoms. There are a spread of Au–Au bond distances ranging from 2.85–3.15 Å. In the fourth Au+0.82- site, Au+0.82- is bonded in a 11-coordinate geometry to four La3+ and seven Au+0.82- atoms. There are a spread of Au–Au bond distances ranging from 2.88–3.12 Å. In the fifth Au+0.82- site, Au+0.82- is bonded in a 11-coordinate geometry to four La3+ and seven Au+0.82- atoms. There are a spread of Au–Au bond distances ranging from 2.88–3.15 Å. In the sixth Au+0.82- site, Au+0.82- is bonded in a 10-coordinate geometry to three equivalent La3+ and seven Au+0.82- atoms. There are one shorter (2.87 Å) and three longer (2.98 Å) Au–Au bond lengths. In the seventh Au+0.82- site, Au+0.82- is bonded in a 3-coordinate geometry to three equivalent La3+ and seven Au+0.82- atoms. There are one shorter (2.88 Å) and three longer (2.98 Å) Au–Au bond lengths. In the eighth Au+0.82- site, Au+0.82- is bonded to four La3+ and eight Au+0.82- atoms to form a mixture of distorted face and edge-sharing AuLa4Au8 cuboctahedra. Both Au–Au bond lengths are 2.89 Å. In the ninth Au+0.82- site, Au+0.82- is bonded in a 3-coordinate geometry to three equivalent La3+ and eight Au+0.82- atoms. In the tenth Au+0.82- site, Au+0.82- is bonded in a 11-coordinate geometry to three equivalent La3+ and eight Au+0.82- atoms. In the eleventh Au+0.82- site, Au+0.82- is bonded in a 4-coordinate geometry to four La3+ and seven Au+0.82- atoms. The Au–Au bond length is 3.22 Å. In the twelfth Au+0.82- site, Au+0.82- is bonded in a 1-coordinate geometry to four La3+ and six Au+0.82- atoms. Both Au–Au bond lengths are 2.87 Å. In the thirteenth Au+0.82- site, Au+0.82- is bonded in a 4-coordinate geometry to four La3+ and seven Au+0.82- atoms. The Au–Au bond length is 3.18 Å.

36 MATERIALS SCIENCE↗