Materials Data on Er2C by Materials Project
Er2C is trigonal omega-like structured and crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three Er2C sheets oriented in the (0, 0, 1) direction. Er is bonded in a distorted T-shaped geometry to three equivalent C atoms. All Er–C bond lengths are 2.45 Å. C is bonded to six equivalent Er atoms to form edge-sharing CEr6 octahedra.
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