Materials Data on Be4AlFe by Materials Project
AlFeBe4 crystallizes in the cubic F-43m space group. The structure is three-dimensional. Be is bonded to six equivalent Be, three equivalent Fe, and three equivalent Al atoms to form a mixture of face, edge, and corner-sharing BeBe6Al3Fe3 cuboctahedra. There are three shorter (2.09 Å) and three longer (2.15 Å) Be–Be bond lengths. All Be–Fe bond lengths are 2.48 Å. All Be–Al bond lengths are 2.49 Å. Fe is bonded in a 12-coordinate geometry to twelve equivalent Be and four equivalent Al atoms. All Fe–Al bond lengths are 2.60 Å. Al is bonded in a 4-coordinate geometry to twelve equivalent Be and four equivalent Fe atoms.
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