Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “YMg2”

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.

10 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y is Hexagonal Laves structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to six equivalent Mg and six equivalent Y atoms to form a mixture of corner, edge, and face-sharing MgY6Mg6 cuboctahedra. All Mg–Mg bond lengths are 3.05 Å. All Mg–Y bond lengths are 3.56 Å. In the second Mg site, Mg is bonded to six Mg and six equivalent Y atoms to form a mixture of corner, edge, and face-sharing MgY6Mg6 cuboctahedra. There are two shorter (2.95 Å) and two longer (3.11 Å) Mg–Mg bond lengths. There are two shorter (3.53 Å) and four longer (3.54 Å) Mg–Y bond lengths. Y is bonded in a 12-coordinate geometry to twelve Mg and four equivalent Y atoms. There are one shorter (3.65 Å) and three longer (3.72 Å) Y–Y bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y is Magnesium-derived structured and crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. there are three inequivalent Mg sites. In the first Mg site, Mg is bonded to twelve Mg atoms to form MgMg12 cuboctahedra that share corners with six equivalent YY9Mg3 cuboctahedra, corners with twelve MgMg12 cuboctahedra, edges with eighteen MgMg12 cuboctahedra, a faceface with one YY9Mg3 cuboctahedra, and faces with nineteen MgMg12 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.27–3.34 Å. In the second Mg site, Mg is bonded to nine Mg and three equivalent Y atoms to form MgY3Mg9 cuboctahedra that share corners with six equivalent YY9Mg3 cuboctahedra, corners with twelve MgY3Mg9 cuboctahedra, edges with six equivalent YY9Mg3 cuboctahedra, edges with twelve MgMg12 cuboctahedra, faces with seven equivalent YY9Mg3 cuboctahedra, and faces with thirteen MgMg12 cuboctahedra. All Mg–Mg bond lengths are 3.34 Å. All Mg–Y bond lengths are 3.43 Å. In the third Mg site, Mg is bonded to twelve Mg atoms to form MgMg12 cuboctahedra that share corners with six equivalent YY9Mg3 cuboctahedra, corners with twelve MgY3Mg9 cuboctahedra, edges with eighteen MgMg12 cuboctahedra, a faceface with one YY9Mg3 cuboctahedra, and faces with nineteen MgMg12 cuboctahedra. There are three shorter (3.27 Å) and six longer (3.34 Å) Mg–Mg bond lengths. Y is bonded to three equivalent Mg and nine equivalent Y atoms to form YY9Mg3 cuboctahedra that share corners with six equivalent YY9Mg3 cuboctahedra, corners with twelve MgMg12 cuboctahedra, edges with six equivalent MgY3Mg9 cuboctahedra, edges with twelve equivalent YY9Mg3 cuboctahedra, faces with eight MgMg12 cuboctahedra, and faces with twelve equivalent YY9Mg3 cuboctahedra. There are six shorter (3.34 Å) and three longer (3.54 Å) Y–Y bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to six Mg and six equivalent Y atoms to form MgY6Mg6 cuboctahedra that share corners with six equivalent YY2Mg10 cuboctahedra, corners with twelve MgY6Mg6 cuboctahedra, edges with seven equivalent YY2Mg10 cuboctahedra, edges with eleven equivalent MgY4Mg8 cuboctahedra, faces with six equivalent YY2Mg10 cuboctahedra, and faces with fourteen MgY6Mg6 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.27–3.39 Å. There are two shorter (3.31 Å) and four longer (3.32 Å) Mg–Y bond lengths. In the second Mg site, Mg is bonded to eight Mg and four equivalent Y atoms to form MgY4Mg8 cuboctahedra that share corners with six equivalent YY2Mg10 cuboctahedra, corners with twelve MgY6Mg6 cuboctahedra, edges with three equivalent YY2Mg10 cuboctahedra, edges with fifteen MgY6Mg6 cuboctahedra, faces with eight equivalent YY2Mg10 cuboctahedra, and faces with twelve MgY6Mg6 cuboctahedra. There are two shorter (3.35 Å) and four longer (3.36 Å) Mg–Mg bond lengths. There are two shorter (3.36 Å) and two longer (3.40 Å) Mg–Y bond lengths. Y is bonded to ten Mg and two equivalent Y atoms to form YY2Mg10 cuboctahedra that share corners with six equivalent YY2Mg10 cuboctahedra, corners with twelve MgY6Mg6 cuboctahedra, edges with eight equivalent YY2Mg10 cuboctahedra, edges with ten MgY6Mg6 cuboctahedra, faces with six equivalent YY2Mg10 cuboctahedra, and faces with fourteen MgY6Mg6 cuboctahedra. Both Y–Y bond lengths are 3.35 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y is Cubic Laves structured and crystallizes in the trigonal R32 space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to six equivalent Mg and six equivalent Y atoms to form a mixture of corner, edge, and face-sharing MgY6Mg6 cuboctahedra. All Mg–Mg bond lengths are 3.03 Å. All Mg–Y bond lengths are 3.54 Å. In the second Mg site, Mg is bonded to six Mg and six equivalent Y atoms to form a mixture of corner, edge, and face-sharing MgY6Mg6 cuboctahedra. All Mg–Mg bond lengths are 3.01 Å. There are a spread of Mg–Y bond distances ranging from 3.53–3.56 Å. Y is bonded in a 12-coordinate geometry to twelve Mg and four equivalent Y atoms. All Y–Y bond lengths are 3.70 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y is Cubic Laves structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to six equivalent Mg and six equivalent Y atoms to form a mixture of corner, edge, and face-sharing MgY6Mg6 cuboctahedra. All Mg–Mg bond lengths are 3.02 Å. All Mg–Y bond lengths are 3.55 Å. In the second Mg site, Mg is bonded to six Mg and six equivalent Y atoms to form a mixture of corner, edge, and face-sharing MgY6Mg6 cuboctahedra. All Mg–Mg bond lengths are 3.02 Å. There are four shorter (3.52 Å) and two longer (3.58 Å) Mg–Y bond lengths. Y is bonded in a 12-coordinate geometry to twelve Mg and four equivalent Y atoms. There are one shorter (3.59 Å) and three longer (3.73 Å) Y–Y bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y is beta-derived structured and crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are four inequivalent Mg sites. In the first Mg site, Mg is bonded to ten Mg and two equivalent Y atoms to form MgY2Mg10 cuboctahedra that share corners with eighteen MgY2Mg10 cuboctahedra, edges with eight equivalent YY4Mg8 cuboctahedra, edges with ten MgY4Mg8 cuboctahedra, faces with eight YY4Mg8 cuboctahedra, and faces with twelve MgY2Mg10 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.33–3.44 Å. Both Mg–Y bond lengths are 3.34 Å. In the second Mg site, Mg is bonded to eight Mg and four equivalent Y atoms to form MgY4Mg8 cuboctahedra that share corners with eighteen MgY2Mg10 cuboctahedra, edges with six MgY2Mg10 cuboctahedra, edges with twelve YY4Mg8 cuboctahedra, faces with six YY4Mg8 cuboctahedra, and faces with fourteen MgY2Mg10 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.33–3.38 Å. All Mg–Y bond lengths are 3.33 Å. In the third Mg site, Mg is bonded to six Mg and six Y atoms to form MgY6Mg6 cuboctahedra that share corners with eighteen MgY2Mg10 cuboctahedra, edges with four equivalent YY4Mg8 cuboctahedra, edges with fourteen MgY2Mg10 cuboctahedra, faces with ten MgY2Mg10 cuboctahedra, and faces with ten YY4Mg8 cuboctahedra. Both Mg–Mg bond lengths are 3.38 Å. All Mg–Y bond lengths are 3.38 Å. In the fourth Mg site, Mg is bonded to eight Mg and four Y atoms to form MgY4Mg8 cuboctahedra that share corners with six equivalent MgY4Mg8 cuboctahedra, corners with twelve YY4Mg8 cuboctahedra, edges with six YY4Mg8 cuboctahedra, edges with twelve MgY2Mg10 cuboctahedra, faces with four YY4Mg8 cuboctahedra, and faces with sixteen MgY2Mg10 cuboctahedra. Both Mg–Mg bond lengths are 3.38 Å. There are two shorter (3.28 Å) and two longer (3.33 Å) Mg–Y bond lengths. There are two inequivalent Y sites. In the first Y site, Y is bonded to eight Mg and four Y atoms to form YY4Mg8 cuboctahedra that share corners with six equivalent MgY4Mg8 cuboctahedra, corners with twelve YY4Mg8 cuboctahedra, edges with three equivalent YY4Mg8 cuboctahedra, edges with fifteen MgY2Mg10 cuboctahedra, faces with six YY4Mg8 cuboctahedra, and faces with fourteen MgY2Mg10 cuboctahedra. There are two shorter (3.38 Å) and two longer (3.50 Å) Y–Y bond lengths. In the second Y site, Y is bonded to eight Mg and four Y atoms to form YY4Mg8 cuboctahedra that share corners with six equivalent MgY4Mg8 cuboctahedra, corners with twelve YY4Mg8 cuboctahedra, edges with three equivalent YY4Mg8 cuboctahedra, edges with fifteen MgY4Mg8 cuboctahedra, faces with six YY4Mg8 cuboctahedra, and faces with fourteen MgY2Mg10 cuboctahedra. Both Y–Y bond lengths are 3.38 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to eight Mg and four equivalent Y atoms to form distorted MgY4Mg8 cuboctahedra that share corners with eighteen equivalent MgY4Mg8 cuboctahedra, edges with eight equivalent YY3Mg9 cuboctahedra, edges with ten MgY4Mg8 cuboctahedra, faces with eight equivalent YY3Mg9 cuboctahedra, and faces with twelve MgY4Mg8 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.22–3.49 Å. All Mg–Y bond lengths are 3.30 Å. In the second Mg site, Mg is bonded to six equivalent Mg and six equivalent Y atoms to form MgY6Mg6 cuboctahedra that share corners with eighteen equivalent YY3Mg9 cuboctahedra, edges with eighteen MgY4Mg8 cuboctahedra, faces with six equivalent YY3Mg9 cuboctahedra, and faces with fourteen MgY4Mg8 cuboctahedra. All Mg–Y bond lengths are 3.42 Å. Y is bonded to nine Mg and three equivalent Y atoms to form YY3Mg9 cuboctahedra that share corners with nine equivalent MgY6Mg6 cuboctahedra, corners with nine equivalent YY3Mg9 cuboctahedra, edges with six equivalent YY3Mg9 cuboctahedra, edges with twelve equivalent MgY4Mg8 cuboctahedra, faces with five equivalent YY3Mg9 cuboctahedra, and faces with fifteen MgY4Mg8 cuboctahedra. All Y–Y bond lengths are 3.42 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y is Molybdenite structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Mg is bonded to nine equivalent Mg and three equivalent Y atoms to form MgY3Mg9 cuboctahedra that share corners with six equivalent YY6Mg6 cuboctahedra, corners with twelve equivalent MgY3Mg9 cuboctahedra, edges with six equivalent YY6Mg6 cuboctahedra, edges with twelve equivalent MgY3Mg9 cuboctahedra, faces with seven equivalent YY6Mg6 cuboctahedra, and faces with thirteen equivalent MgY3Mg9 cuboctahedra. There are three shorter (3.26 Å) and six longer (3.33 Å) Mg–Mg bond lengths. All Mg–Y bond lengths are 3.45 Å. Y is bonded to six equivalent Mg and six equivalent Y atoms to form YY6Mg6 cuboctahedra that share corners with six equivalent YY6Mg6 cuboctahedra, corners with twelve equivalent MgY3Mg9 cuboctahedra, edges with six equivalent YY6Mg6 cuboctahedra, edges with twelve equivalent MgY3Mg9 cuboctahedra, faces with six equivalent YY6Mg6 cuboctahedra, and faces with fourteen equivalent MgY3Mg9 cuboctahedra. All Y–Y bond lengths are 3.33 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y is Bergman Structure: Mg32(Al,Zn)49 Bergman-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to seven Mg and five equivalent Y atoms to form a mixture of corner, edge, and face-sharing MgY5Mg7 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.16–3.39 Å. There are a spread of Mg–Y bond distances ranging from 3.42–3.63 Å. In the second Mg site, Mg is bonded in a 11-coordinate geometry to seven Mg and four equivalent Y atoms. There are two shorter (3.07 Å) and two longer (3.39 Å) Mg–Mg bond lengths. All Mg–Y bond lengths are 3.30 Å. Y is bonded in a 12-coordinate geometry to nine Mg and three equivalent Y atoms. There are two shorter (3.39 Å) and one longer (3.48 Å) Y–Y bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YMg2 by Materials Project

Mg2Y is beta-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to nine Mg and three equivalent Y atoms to form distorted MgY3Mg9 cuboctahedra that share corners with six equivalent YY4Mg8 cuboctahedra, corners with twelve MgY3Mg9 cuboctahedra, edges with seven equivalent YY4Mg8 cuboctahedra, edges with eleven MgY3Mg9 cuboctahedra, faces with seven equivalent YY4Mg8 cuboctahedra, and faces with thirteen MgY3Mg9 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.25–3.49 Å. There are one shorter (3.26 Å) and two longer (3.41 Å) Mg–Y bond lengths. In the second Mg site, Mg is bonded to seven Mg and five equivalent Y atoms to form distorted MgY5Mg7 cuboctahedra that share corners with six equivalent YY4Mg8 cuboctahedra, corners with twelve MgY3Mg9 cuboctahedra, edges with five equivalent YY4Mg8 cuboctahedra, edges with thirteen MgY3Mg9 cuboctahedra, faces with eight equivalent YY4Mg8 cuboctahedra, and faces with twelve MgY3Mg9 cuboctahedra. There are two shorter (3.31 Å) and one longer (3.47 Å) Mg–Mg bond lengths. There are a spread of Mg–Y bond distances ranging from 3.34–3.49 Å. Y is bonded to eight Mg and four equivalent Y atoms to form YY4Mg8 cuboctahedra that share corners with six equivalent YY4Mg8 cuboctahedra, corners with twelve MgY3Mg9 cuboctahedra, edges with six equivalent YY4Mg8 cuboctahedra, edges with twelve MgY3Mg9 cuboctahedra, faces with five equivalent YY4Mg8 cuboctahedra, and faces with fifteen MgY3Mg9 cuboctahedra. There are two shorter (3.31 Å) and two longer (3.42 Å) Y–Y bond lengths.

36 MATERIALS SCIENCE↗