Sr(FeS2)2 crystallizes in the tetragonal I422 space group. Sr(1) is bonded in a 8-coordinate geometry to eight equivalent S(1) atoms. Fe(1) is bonded to four equivalent S(1) atoms to form edge-sharing FeS4 tetrahedra. S(1) is bonded in a 4-coordinate geometry to two equivalent Sr(1) and two equivalent Fe(1) atoms.
Sr(FeS2)2 crystallizes in the tetragonal I422 space group. Sr(1) is bonded in a 8-coordinate geometry to eight equivalent S(1) atoms. All Sr(1)-S(1) bond lengths are 3.13 Å. Fe(1) is bonded to four equivalent S(1) atoms to form edge-sharing FeS4 tetrahedra. All Fe(1)-S(1) bond lengths are 2.15 Å. S(1) is bonded in a 4-coordinate geometry to two equivalent Sr(1) and two equivalent Fe(1) atoms.