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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ho2Co2I by Materials Project

Ho2Co2I crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ho is bonded in a 9-coordinate geometry to six equivalent Co and three equivalent I atoms. There are three shorter (2.85 Å) and three longer (2.88 Å) Ho–Co bond lengths. All Ho–I bond lengths are 3.38 Å. Co is bonded in a 9-coordinate geometry to six equivalent Ho and three equivalent Co atoms. All Co–Co bond lengths are 2.27 Å. I is bonded in a 6-coordinate geometry to six equivalent Ho atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YHoCo4 by Materials Project

HoYCo4 is Cubic Laves-derived structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Ho is bonded in a 12-coordinate geometry to four equivalent Y and twelve equivalent Co atoms. All Ho–Y bond lengths are 3.07 Å. All Ho–Co bond lengths are 2.94 Å. Y is bonded in a 12-coordinate geometry to four equivalent Ho and twelve equivalent Co atoms. All Y–Co bond lengths are 2.94 Å. Co is bonded to three equivalent Ho, three equivalent Y, and six equivalent Co atoms to form a mixture of corner, edge, and face-sharing CoY3Ho3Co6 cuboctahedra. All Co–Co bond lengths are 2.51 Å.

36 MATERIALS SCIENCE↗