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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Yb2CdGe by Materials Project

Yb2CdGe is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Yb is bonded in a body-centered cubic geometry to four equivalent Cd and four equivalent Ge atoms. All Yb–Cd bond lengths are 3.18 Å. All Yb–Ge bond lengths are 3.18 Å. Cd is bonded in a body-centered cubic geometry to eight equivalent Yb atoms. Ge is bonded in a body-centered cubic geometry to eight equivalent Yb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YbCdGe by Materials Project

YbCdGe crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Yb is bonded in a 5-coordinate geometry to six equivalent Cd and five Ge atoms. There are two shorter (3.24 Å) and four longer (3.49 Å) Yb–Cd bond lengths. There are one shorter (3.08 Å) and four longer (3.12 Å) Yb–Ge bond lengths. Cd is bonded in a 12-coordinate geometry to six equivalent Yb, two equivalent Cd, and four Ge atoms. Both Cd–Cd bond lengths are 3.23 Å. There are two shorter (2.76 Å) and two longer (2.90 Å) Cd–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to three equivalent Yb and six equivalent Cd atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to six equivalent Yb and three equivalent Cd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb2CdGe2 by Materials Project

Yb2CdGe2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Yb is bonded in a 6-coordinate geometry to four equivalent Cd and six equivalent Ge atoms. All Yb–Cd bond lengths are 3.49 Å. There are two shorter (3.04 Å) and four longer (3.11 Å) Yb–Ge bond lengths. Cd is bonded to eight equivalent Yb and four equivalent Ge atoms to form a mixture of distorted corner and face-sharing CdYb8Ge4 cuboctahedra. All Cd–Ge bond lengths are 2.91 Å. Ge is bonded in a 9-coordinate geometry to six equivalent Yb, two equivalent Cd, and one Ge atom. The Ge–Ge bond length is 2.57 Å.

36 MATERIALS SCIENCE↗