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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on YCoC by Materials Project

YCoC crystallizes in the tetragonal P4_2/mmc space group. The structure is three-dimensional. Y3+ is bonded to four equivalent C4- atoms to form a mixture of distorted corner and edge-sharing YC4 tetrahedra. All Y–C bond lengths are 2.51 Å. Co1+ is bonded in a linear geometry to two equivalent C4- atoms. Both Co–C bond lengths are 1.81 Å. C4- is bonded to four equivalent Y3+ and two equivalent Co1+ atoms to form a mixture of corner and edge-sharing CY4Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YCoC2 by Materials Project

YCoC2 crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. Y3+ is bonded in a 8-coordinate geometry to eight equivalent C+2.50- atoms. There are four shorter (2.65 Å) and four longer (2.66 Å) Y–C bond lengths. Co2+ is bonded in a 4-coordinate geometry to four equivalent C+2.50- atoms. There is two shorter (1.93 Å) and two longer (1.99 Å) Co–C bond length. C+2.50- is bonded in a 7-coordinate geometry to four equivalent Y3+, two equivalent Co2+, and one C+2.50- atom. The C–C bond length is 1.38 Å.

36 MATERIALS SCIENCE↗