Materials Data on SmErFe4 by Materials Project
ErSmFe4 is Hexagonal Laves-derived structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Er is bonded in a 12-coordinate geometry to four equivalent Sm and twelve equivalent Fe atoms. All Er–Sm bond lengths are 3.17 Å. All Er–Fe bond lengths are 3.03 Å. Sm is bonded in a 12-coordinate geometry to four equivalent Er and twelve equivalent Fe atoms. All Sm–Fe bond lengths are 3.03 Å. Fe is bonded to three equivalent Er, three equivalent Sm, and six equivalent Fe atoms to form a mixture of corner, edge, and face-sharing FeSm3Er3Fe6 cuboctahedra. There are three shorter (2.58 Å) and three longer (2.59 Å) Fe–Fe bond lengths.
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