Materials Data on Mg16Al12Cd by Materials Project
Mg16CdAl12 is gamma-brass-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are ten inequivalent Mg sites. In the first Mg site, Mg is bonded in a 11-coordinate geometry to four Mg, one Cd, and six Al atoms. There are a spread of Mg–Mg bond distances ranging from 3.04–3.13 Å. The Mg–Cd bond length is 3.49 Å. There are a spread of Mg–Al bond distances ranging from 3.07–3.11 Å. In the second Mg site, Mg is bonded in a 12-coordinate geometry to seven Mg and five Al atoms. There are four shorter (3.13 Å) and two longer (3.16 Å) Mg–Mg bond lengths. There are a spread of Mg–Al bond distances ranging from 2.92–3.17 Å. In the third Mg site, Mg is bonded in a 12-coordinate geometry to four Mg and twelve Al atoms. There are one shorter (3.15 Å) and two longer (3.17 Å) Mg–Mg bond lengths. There are a spread of Mg–Al bond distances ranging from 3.17–3.25 Å. In the fourth Mg site, Mg is bonded in a 1-coordinate geometry to three Mg, one Cd, and six Al atoms. Both Mg–Mg bond lengths are 3.06 Å. The Mg–Cd bond length is 3.05 Å. There are a spread of Mg–Al bond distances ranging from 3.07–3.15 Å. In the fifth Mg site, Mg is bonded in a 12-coordinate geometry to six Mg, one Cd, and five Al atoms. There are a spread of Mg–Mg bond distances ranging from 3.05–3.20 Å. The Mg–Cd bond length is 3.13 Å. There are a spread of Mg–Al bond distances ranging from 2.89–3.17 Å. In the sixth Mg site, Mg is bonded in a 12-coordinate geometry to seven Mg and five Al atoms. There are a spread of Mg–Mg bond distances ranging from 3.13–3.16 Å. There are a spread of Mg–Al bond distances ranging from 2.90–3.20 Å. In the seventh Mg site, Mg is bonded in a 12-coordinate geometry to six Mg, one Cd, and five Al atoms. There are one shorter (3.15 Å) and two longer (3.17 Å) Mg–Mg bond lengths. The Mg–Cd bond length is 3.10 Å. There are a spread of Mg–Al bond distances ranging from 2.89–3.20 Å. In the eighth Mg site, Mg is bonded in a 10-coordinate geometry to four Mg and six Al atoms. There are one shorter (3.04 Å) and one longer (3.05 Å) Mg–Mg bond lengths. There are a spread of Mg–Al bond distances ranging from 3.08–3.13 Å. In the ninth Mg site, Mg is bonded in a 12-coordinate geometry to six Mg, one Cd, and five Al atoms. The Mg–Mg bond length is 3.15 Å. The Mg–Cd bond length is 3.13 Å. There are a spread of Mg–Al bond distances ranging from 2.91–3.20 Å. In the tenth Mg site, Mg is bonded in a 12-coordinate geometry to seven Mg and five Al atoms. There are a spread of Mg–Al bond distances ranging from 2.90–3.15 Å. Cd is bonded in a 10-coordinate geometry to eight Mg and three Al atoms. There are one shorter (2.88 Å) and two longer (2.97 Å) Cd–Al bond lengths. There are seven inequivalent Al sites. In the first Al site, Al is bonded in a 11-coordinate geometry to eight Mg and three Al atoms. There are one shorter (2.70 Å) and two longer (2.74 Å) Al–Al bond lengths. In the second Al site, Al is bonded in a distorted q6 geometry to seven Mg, one Cd, and three Al atoms. Both Al–Al bond lengths are 2.75 Å. In the third Al site, Al is bonded in a 10-coordinate geometry to seven Mg and three Al atoms. There are one shorter (2.71 Å) and two longer (2.75 Å) Al–Al bond lengths. In the fourth Al site, Al is bonded in a 11-coordinate geometry to seven Mg, one Cd, and three Al atoms. There are one shorter (2.69 Å) and one longer (2.77 Å) Al–Al bond lengths. In the fifth Al site, Al is bonded in a 11-coordinate geometry to eight Mg and three Al atoms. The Al–Al bond length is 2.77 Å. In the sixth Al site, Al is bonded in a 11-coordinate geometry to eight Mg and three Al atoms. The Al–Al bond length is 2.71 Å. In the seventh Al site, Al is bonded in a 11-coordinate geometry to eight Mg and three Al atoms. The Al–Al bond length is 2.76 Å.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1739397
- Report Number(s):
- mp-1185652
- Country of Publication:
- United States
- Language:
- English
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