Sr(YbS2)2 crystallizes in the orthorhombic Pnma space group. Sr(1) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), two equivalent S(3), and two equivalent S(4) atoms. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded to one S(3), two equivalent S(1), and three equivalent S(4) atoms to form a mixture of distorted corner and edge-sharing YbS6 octahedra. The corner-sharing octahedral tilt angles range from 53-70°. In the second Yb site, Yb(2) is bonded to one S(1), two equivalent S(3), and three equivalent S(2) atoms to form a mixture of distorted corner and edge-sharing YbS6 octahedra. The corner-sharing octahedral tilt angles range from 53-70°. There are four inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Sr(1), one Yb(2), and two equivalent Yb(1) atoms to form distorted edge-sharing SSr2Yb3 square pyramids. In the second S site, S(2) is bonded in a 6-coordinate geometry to two equivalent Sr(1), three equivalent Yb(2), and one S(4) atom. In the third S site, S(3) is bonded to two equivalent Sr(1), one Yb(1), and two equivalent Yb(2) atoms to form a mixture of distorted corner and edge-sharing SSr2Yb3 trigonal bipyramids. In the fourth S site, S(4) is bonded in a 6-coordinate geometry to two equivalent Sr(1), three equivalent Yb(1), and one S(2) atom.
Sr(YbS2)2 crystallizes in the orthorhombic Pnma space group. Sr(1) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), two equivalent S(3), and two equivalent S(4) atoms. Both Sr(1)-S(1) bond lengths are 3.04 Å. Both Sr(1)-S(2) bond lengths are 3.20 Å. There is one shorter (2.96 Å) and one longer (3.05 Å) Sr(1)-S(3) bond length. Both Sr(1)-S(4) bond lengths are 3.13 Å. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded to one S(3), two equivalent S(1), and three equivalent S(4) atoms to form a mixture of distorted corner and edge-sharing YbS6 octahedra. The corner-sharing octahedral tilt angles range from 53-70°. The Yb(1)-S(3) bond length is 2.80 Å. Both Yb(1)-S(1) bond lengths are 2.70 Å. There is one shorter (2.89 Å) and two longer (3.01 Å) Yb(1)-S(4) bond lengths. In the second Yb site, Yb(2) is bonded to one S(1), two equivalent S(3), and three equivalent S(2) atoms to form a mixture of distorted corner and edge-sharing YbS6 octahedra. The corner-sharing octahedral tilt angles range from 53-70°. The Yb(2)-S(1) bond length is 2.63 Å. Both Yb(2)-S(3) bond lengths are 2.70 Å. There are two shorter (3.04 Å) and one longer (3.49 Å) Yb(2)-S(2) bond length. There are four inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Sr(1), one Yb(2), and two equivalent Yb(1) atoms to form distorted edge-sharing SSr2Yb3 square pyramids. In the second S site, S(2) is bonded in a 6-coordinate geometry to two equivalent Sr(1), three equivalent Yb(2), and one S(4) atom. The S(2)-S(4) bond length is 2.14 Å. In the third S site, S(3) is bonded to two equivalent Sr(1), one Yb(1), and two equivalent Yb(2) atoms to form a mixture of distorted corner and edge-sharing SSr2Yb3 trigonal bipyramids. In the fourth S site, S(4) is bonded in a 6-coordinate geometry to two equivalent Sr(1), three equivalent Yb(1), and one S(2) atom.