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DOE OSTI2020

Materials Data on YBC by Materials Project

YBC crystallizes in the orthorhombic Cmmm space group. The structure is two-dimensional and consists of four YBC sheets oriented in the (0, 1, 0) direction. Y is bonded in a distorted square co-planar geometry to four equivalent C atoms. All Y–C bond lengths are 2.45 Å. B is bonded in a single-bond geometry to one C atom. The B–C bond length is 1.49 Å. C is bonded in a distorted single-bond geometry to four equivalent Y and one B atom.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on YBC by Materials Project

YBC crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Y is bonded to six equivalent B and six equivalent C atoms to form a mixture of face and edge-sharing YB6C6 cuboctahedra. All Y–B bond lengths are 2.67 Å. All Y–C bond lengths are 2.67 Å. B is bonded in a trigonal planar geometry to six equivalent Y and three equivalent C atoms. All B–C bond lengths are 1.75 Å. C is bonded in a trigonal planar geometry to six equivalent Y and three equivalent B atoms.

36 MATERIALS SCIENCE↗