Tl2InPrSe4 crystallizes in the tetragonal I-42m space group. The structure consists of a Tl2InPrSe4 framework. Pr(1) is bonded in a 4-coordinate geometry to four equivalent Se(1) atoms. Tl(1) is bonded in a 4-coordinate geometry to four equivalent Se(1) atoms. In(1) is bonded in a tetrahedral geometry to four equivalent Se(1) atoms. Se(1) is bonded in a distorted L-shaped geometry to one Pr(1), two equivalent Tl(1), and one In(1) atom.
Tl2InPrSe4 crystallizes in the tetragonal I-42m space group. The structure consists of a Tl2InPrSe4 framework. Pr(1) is bonded in a 4-coordinate geometry to four equivalent Se(1) atoms. All Pr(1)-Se(1) bond lengths are 2.91 Å. Tl(1) is bonded in a 4-coordinate geometry to four equivalent Se(1) atoms. All Tl(1)-Se(1) bond lengths are 3.39 Å. In(1) is bonded in a tetrahedral geometry to four equivalent Se(1) atoms. All In(1)-Se(1) bond lengths are 2.65 Å. Se(1) is bonded in a distorted L-shaped geometry to one Pr(1), two equivalent Tl(1), and one In(1) atom.