Materials Data on Bi3Rh by Materials Project
RhBi3 crystallizes in the orthorhombic Pnma space group. The structure is one-dimensional and consists of two RhBi3 ribbons oriented in the (1, 0, 0) direction. Rh is bonded in a 9-coordinate geometry to two equivalent Rh and seven Bi atoms. Both Rh–Rh bond lengths are 2.87 Å. There are a spread of Rh–Bi bond distances ranging from 2.79–2.89 Å. There are three inequivalent Bi sites. In the first Bi site, Bi is bonded in a single-bond geometry to one Rh atom. In the second Bi site, Bi is bonded in a 3-coordinate geometry to three equivalent Rh atoms. In the third Bi site, Bi is bonded in a 3-coordinate geometry to three equivalent Rh atoms.
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