Materials Data on Sb2Ir by Materials Project
IrSb2 is Marcasite-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Ir5+ is bonded to six Sb+2.50- atoms to form a mixture of edge and corner-sharing IrSb6 octahedra. The corner-sharing octahedra tilt angles range from 51–58°. There are a spread of Ir–Sb bond distances ranging from 2.63–2.72 Å. There are two inequivalent Sb+2.50- sites. In the first Sb+2.50- site, Sb+2.50- is bonded in a 4-coordinate geometry to three equivalent Ir5+ and one Sb+2.50- atom. The Sb–Sb bond length is 2.89 Å. In the second Sb+2.50- site, Sb+2.50- is bonded in a 4-coordinate geometry to three equivalent Ir5+ and one Sb+2.50- atom.
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