MgLa2Se4 crystallizes in the tetragonal I-42d space group. Mg(1) is bonded in a distorted square co-planar geometry to four equivalent Se(1) atoms. La(1) is bonded in a 8-coordinate geometry to eight equivalent Se(1) atoms. Se(1) is bonded in a 5-coordinate geometry to one Mg(1) and four equivalent La(1) atoms.
MgLa2Se4 crystallizes in the tetragonal I-42d space group. Mg(1) is bonded in a distorted square co-planar geometry to four equivalent Se(1) atoms. All Mg(1)-Se(1) bond lengths are 2.77 Å. La(1) is bonded in a 8-coordinate geometry to eight equivalent Se(1) atoms. There are a spread of La(1)-Se(1) bond distances ranging from 2.94-3.40 Å. Se(1) is bonded in a 5-coordinate geometry to one Mg(1) and four equivalent La(1) atoms.