Materials Data on FeBr2 by Materials Project
FeBr2 is trigonal omega structured and crystallizes in the trigonal P-3m1 space group. The structure is two-dimensional and consists of one FeBr2 sheet oriented in the (0, 0, 1) direction. Fe2+ is bonded to six equivalent Br1- atoms to form edge-sharing FeBr6 octahedra. All Fe–Br bond lengths are 2.62 Å. Br1- is bonded in a distorted T-shaped geometry to three equivalent Fe2+ atoms.
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