Materials Data on MnCuSb by Materials Project
CuMnSb is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Mn2+ is bonded in a 10-coordinate geometry to four equivalent Cu1+ and six equivalent Sb3- atoms. All Mn–Cu bond lengths are 2.63 Å. All Mn–Sb bond lengths are 3.04 Å. Cu1+ is bonded in a distorted body-centered cubic geometry to four equivalent Mn2+ and four equivalent Sb3- atoms. All Cu–Sb bond lengths are 2.63 Å. Sb3- is bonded in a 10-coordinate geometry to six equivalent Mn2+ and four equivalent Cu1+ atoms.
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