Search NASA⌕ Search

SEARCH · Search NASA

Results for “Rh-Ru”

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.

5 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on RuRh3 by Materials Project

RuRh3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ru is bonded to twelve equivalent Rh atoms to form RuRh12 cuboctahedra that share corners with twelve equivalent RuRh12 cuboctahedra, edges with twenty-four equivalent RhRu4Rh8 cuboctahedra, faces with six equivalent RuRh12 cuboctahedra, and faces with twelve equivalent RhRu4Rh8 cuboctahedra. All Ru–Rh bond lengths are 2.72 Å. Rh is bonded to four equivalent Ru and eight equivalent Rh atoms to form RhRu4Rh8 cuboctahedra that share corners with twelve equivalent RhRu4Rh8 cuboctahedra, edges with eight equivalent RuRh12 cuboctahedra, edges with sixteen equivalent RhRu4Rh8 cuboctahedra, faces with four equivalent RuRh12 cuboctahedra, and faces with fourteen equivalent RhRu4Rh8 cuboctahedra. All Rh–Rh bond lengths are 2.72 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RuRh3 by Materials Project

RuRh3 is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ru is bonded to twelve equivalent Rh atoms to form RuRh12 cuboctahedra that share corners with six equivalent RuRh12 cuboctahedra, corners with twelve equivalent RhRu4Rh8 cuboctahedra, edges with eighteen equivalent RhRu4Rh8 cuboctahedra, faces with eight equivalent RuRh12 cuboctahedra, and faces with twelve equivalent RhRu4Rh8 cuboctahedra. There are six shorter (2.69 Å) and six longer (2.74 Å) Ru–Rh bond lengths. Rh is bonded to four equivalent Ru and eight equivalent Rh atoms to form RhRu4Rh8 cuboctahedra that share corners with four equivalent RuRh12 cuboctahedra, corners with fourteen equivalent RhRu4Rh8 cuboctahedra, edges with six equivalent RuRh12 cuboctahedra, edges with twelve equivalent RhRu4Rh8 cuboctahedra, faces with four equivalent RuRh12 cuboctahedra, and faces with sixteen equivalent RhRu4Rh8 cuboctahedra. There are a spread of Rh–Rh bond distances ranging from 2.70–2.75 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RuRh4 by Materials Project

RuRh4 is alpha La-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Ru is bonded to six equivalent Ru and six equivalent Rh atoms to form RuRu6Rh6 cuboctahedra that share corners with six equivalent RuRu6Rh6 cuboctahedra, corners with six RhRh12 cuboctahedra, edges with six equivalent RuRu6Rh6 cuboctahedra, edges with eighteen RhRh12 cuboctahedra, faces with six equivalent RuRu6Rh6 cuboctahedra, and faces with twelve equivalent RhRu3Rh9 cuboctahedra. All Ru–Ru bond lengths are 2.72 Å. All Ru–Rh bond lengths are 2.68 Å. There are four inequivalent Rh sites. In the first Rh site, Rh is bonded to three equivalent Ru and nine Rh atoms to form RhRu3Rh9 cuboctahedra that share corners with twelve RhRu3Rh9 cuboctahedra, edges with six equivalent RuRu6Rh6 cuboctahedra, edges with eighteen RhRu3Rh9 cuboctahedra, faces with six equivalent RuRu6Rh6 cuboctahedra, and faces with twelve RhRu3Rh9 cuboctahedra. There are six shorter (2.72 Å) and three longer (2.75 Å) Rh–Rh bond lengths. In the second Rh site, Rh is bonded to twelve Rh atoms to form RhRh12 cuboctahedra that share corners with three equivalent RuRu6Rh6 cuboctahedra, corners with nine RhRu3Rh9 cuboctahedra, edges with three equivalent RuRu6Rh6 cuboctahedra, edges with twenty-one RhRu3Rh9 cuboctahedra, and faces with eighteen RhRu3Rh9 cuboctahedra. There are three shorter (2.70 Å) and six longer (2.72 Å) Rh–Rh bond lengths. In the third Rh site, Rh is bonded to twelve Rh atoms to form RhRh12 cuboctahedra that share corners with three equivalent RuRu6Rh6 cuboctahedra, corners with nine RhRu3Rh9 cuboctahedra, edges with three equivalent RuRu6Rh6 cuboctahedra, edges with twenty-one RhRu3Rh9 cuboctahedra, and faces with eighteen RhRu3Rh9 cuboctahedra. There are six shorter (2.72 Å) and three longer (2.75 Å) Rh–Rh bond lengths. In the fourth Rh site, Rh is bonded to twelve Rh atoms to form RhRh12 cuboctahedra that share corners with three equivalent RuRu6Rh6 cuboctahedra, corners with nine RhRh12 cuboctahedra, edges with three equivalent RuRu6Rh6 cuboctahedra, edges with twenty-one RhRh12 cuboctahedra, and faces with eighteen RhRh12 cuboctahedra. There are a spread of Rh–Rh bond distances ranging from 2.70–2.75 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ru3Rh by Materials Project

Ru3Rh is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ru is bonded to eight equivalent Ru and four equivalent Rh atoms to form RuRu8Rh4 cuboctahedra that share corners with four equivalent RhRu12 cuboctahedra, corners with fourteen equivalent RuRu8Rh4 cuboctahedra, edges with six equivalent RhRu12 cuboctahedra, edges with twelve equivalent RuRu8Rh4 cuboctahedra, faces with four equivalent RhRu12 cuboctahedra, and faces with sixteen equivalent RuRu8Rh4 cuboctahedra. There are a spread of Ru–Ru bond distances ranging from 2.68–2.74 Å. There are two shorter (2.68 Å) and two longer (2.74 Å) Ru–Rh bond lengths. Rh is bonded to twelve equivalent Ru atoms to form RhRu12 cuboctahedra that share corners with six equivalent RhRu12 cuboctahedra, corners with twelve equivalent RuRu8Rh4 cuboctahedra, edges with eighteen equivalent RuRu8Rh4 cuboctahedra, faces with eight equivalent RhRu12 cuboctahedra, and faces with twelve equivalent RuRu8Rh4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RuRh by Materials Project

RhRu crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Ru is bonded to six equivalent Ru and six equivalent Rh atoms to form RuRu6Rh6 cuboctahedra that share corners with eighteen equivalent RuRu6Rh6 cuboctahedra, edges with six equivalent RuRu6Rh6 cuboctahedra, edges with twelve equivalent RhRu6Rh6 cuboctahedra, faces with eight equivalent RuRu6Rh6 cuboctahedra, and faces with twelve equivalent RhRu6Rh6 cuboctahedra. All Ru–Ru bond lengths are 2.73 Å. All Ru–Rh bond lengths are 2.68 Å. Rh is bonded to six equivalent Ru and six equivalent Rh atoms to form RhRu6Rh6 cuboctahedra that share corners with eighteen equivalent RhRu6Rh6 cuboctahedra, edges with six equivalent RhRu6Rh6 cuboctahedra, edges with twelve equivalent RuRu6Rh6 cuboctahedra, faces with eight equivalent RhRu6Rh6 cuboctahedra, and faces with twelve equivalent RuRu6Rh6 cuboctahedra. All Rh–Rh bond lengths are 2.73 Å.

36 MATERIALS SCIENCE↗