MgPr2Se4 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. Pr(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 Pr(1) atoms.
MgPr2Se4 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 2.76 Å. Pr(1) is bonded in a 8-coordinate geometry to eight equivalent Se(1) atoms. There are a spread of Pr(1)-Se(1) bond distances ranging from 2.92-3.35 Å. Se(1) is bonded in a 5-coordinate geometry to one Mg(1) and four equivalent Pr(1) atoms.