Materials Data on YCrO2 by Materials Project
YCrO2 crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Y is bonded to six equivalent O atoms to form edge-sharing YO6 octahedra. There are four shorter (2.36 Å) and two longer (2.40 Å) Y–O bond lengths. Cr is bonded in a square co-planar geometry to four equivalent O atoms. All Cr–O bond lengths are 2.12 Å. O is bonded to three equivalent Y and two equivalent Cr atoms to form a mixture of distorted edge and corner-sharing OY3Cr2 trigonal bipyramids.
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