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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on LiCdAs by Materials Project

LiCdAs is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Li1+ is bonded in a body-centered cubic geometry to four equivalent Cd2+ and four equivalent As3- atoms. All Li–Cd bond lengths are 2.65 Å. All Li–As bond lengths are 2.65 Å. Cd2+ is bonded in a 4-coordinate geometry to four equivalent Li1+ and six equivalent As3- atoms. All Cd–As bond lengths are 3.07 Å. As3- is bonded to four equivalent Li1+ and six equivalent Cd2+ atoms to form a mixture of distorted face and corner-sharing AsLi4Cd6 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiCdAs by Materials Project

LiCdAs is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Li1+ is bonded to four equivalent As3- atoms to form LiAs4 tetrahedra that share corners with four equivalent CdAs4 tetrahedra, corners with twelve equivalent LiAs4 tetrahedra, and edges with six equivalent CdAs4 tetrahedra. All Li–As bond lengths are 2.75 Å. Cd2+ is bonded to four equivalent As3- atoms to form CdAs4 tetrahedra that share corners with four equivalent LiAs4 tetrahedra, corners with twelve equivalent CdAs4 tetrahedra, and edges with six equivalent LiAs4 tetrahedra. All Cd–As bond lengths are 2.75 Å. As3- is bonded in a body-centered cubic geometry to four equivalent Li1+ and four equivalent Cd2+ atoms.

36 MATERIALS SCIENCE↗