Cr19S30 crystallizes in the triclinic P-1 space group. There are ten inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one S(11), one S(13), one S(2), one S(5), one S(6), and one S(9) atom to form a mixture of corner and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 45-47°. In the second Cr site, Cr(2) is bonded to two equivalent S(1), two equivalent S(10), and two equivalent S(12) atoms to form a mixture of corner and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 46-47°. In the third Cr site, Cr(3) is bonded to one S(14), one S(15), one S(3), one S(4), one S(7), and one S(8) atom to form a mixture of corner and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 45-47°. In the fourth Cr site, Cr(4) is bonded to one S(1), one S(10), one S(2), one S(6), and two equivalent S(11) atoms to form a mixture of corner, face, and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. In the fifth Cr site, Cr(5) is bonded to one S(1), one S(12), one S(15), one S(2), one S(7), and one S(9) atom to form a mixture of corner, face, and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. In the sixth Cr site, Cr(6) is bonded to one S(13), one S(14), one S(3), one S(5), and two equivalent S(8) atoms to form a mixture of corner, face, and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. In the seventh Cr site, Cr(7) is bonded to one S(10), one S(12), one S(15), one S(3), one S(5), and one S(6) atom to form a mixture of corner and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 46-47°. In the eighth Cr site, Cr(8) is bonded to one S(13), one S(14), one S(7), one S(9), and two equivalent S(4) atoms to form a mixture of corner, face, and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 49-51°. In the ninth Cr site, Cr(9) is bonded to one S(1), one S(11), one S(14), one S(4), one S(6), and one S(9) atom to form a mixture of corner and face-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 45-51°. In the tenth Cr site, Cr(10) is bonded to one S(12), one S(13), one S(2), one S(3), one S(7), and one S(8) atom to form a mixture of corner and face-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 45-52°. There are fifteen inequivalent S sites. In the first S site, S(1) is bonded in a rectangular see-saw-like geometry to one Cr(2), one Cr(4), one Cr(5), and one Cr(9) atom. In the second S site, S(2) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(10), one Cr(4), and one Cr(5) atom. In the third S site, S(3) is bonded in a rectangular see-saw-like geometry to one Cr(10), one Cr(3), one Cr(6), and one Cr(7) atom. In the fourth S site, S(4) is bonded in a rectangular see-saw-like geometry to one Cr(3), one Cr(9), and two equivalent Cr(8) atoms. In the fifth S site, S(5) is bonded in a distorted T-shaped geometry to one Cr(1), one Cr(6), and one Cr(7) atom. In the sixth S site, S(6) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(4), one Cr(7), and one Cr(9) atom. In the seventh S site, S(7) is bonded in a rectangular see-saw-like geometry to one Cr(10), one Cr(3), one Cr(5), and one Cr(8) atom. In the eighth S site, S(8) is bonded in a rectangular see-saw-like geometry to one Cr(10), one Cr(3), and two equivalent Cr(6) atoms. In the ninth S site, S(9) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(5), one Cr(8), and one Cr(9) atom. In the tenth S site, S(10) is bonded in a distorted T-shaped geometry to one Cr(2), one Cr(4), and one Cr(7) atom. In the eleventh S site, S(11) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(9), and two equivalent Cr(4) atoms. In the twelfth S site, S(12) is bonded in a rectangular see-saw-like geometry to one Cr(10), one Cr(2), one Cr(5), and one Cr(7) atom. In the thirteenth S site, S(13) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(10), one Cr(6), and one Cr(8) atom. In the fourteenth S site, S(14) is bonded in a rectangular see-saw-like geometry to one Cr(3), one Cr(6), one Cr(8), and one Cr(9) atom. In the fifteenth S site, S(15) is bonded in a distorted T-shaped geometry to one Cr(3), one Cr(5), and one Cr(7) atom.
Cr19S30 crystallizes in the triclinic P-1 space group. There are ten inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one S(11), one S(13), one S(2), one S(5), one S(6), and one S(9) atom to form a mixture of corner and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 45-47°. The Cr(1)-S(11) bond length is 2.42 Å. The Cr(1)-S(13) bond length is 2.41 Å. The Cr(1)-S(2) bond length is 2.44 Å. The Cr(1)-S(5) bond length is 2.35 Å. The Cr(1)-S(6) bond length is 2.41 Å. The Cr(1)-S(9) bond length is 2.40 Å. In the second Cr site, Cr(2) is bonded to two equivalent S(1), two equivalent S(10), and two equivalent S(12) atoms to form a mixture of corner and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 46-47°. Both Cr(2)-S(1) bond lengths are 2.41 Å. Both Cr(2)-S(10) bond lengths are 2.37 Å. Both Cr(2)-S(12) bond lengths are 2.40 Å. In the third Cr site, Cr(3) is bonded to one S(14), one S(15), one S(3), one S(4), one S(7), and one S(8) atom to form a mixture of corner and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 45-47°. The Cr(3)-S(14) bond length is 2.44 Å. The Cr(3)-S(15) bond length is 2.35 Å. The Cr(3)-S(3) bond length is 2.39 Å. The Cr(3)-S(4) bond length is 2.41 Å. The Cr(3)-S(7) bond length is 2.39 Å. The Cr(3)-S(8) bond length is 2.41 Å. In the fourth Cr site, Cr(4) is bonded to one S(1), one S(10), one S(2), one S(6), and two equivalent S(11) atoms to form a mixture of corner, face, and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. The Cr(4)-S(1) bond length is 2.44 Å. The Cr(4)-S(10) bond length is 2.31 Å. The Cr(4)-S(2) bond length is 2.36 Å. The Cr(4)-S(6) bond length is 2.43 Å. There is one shorter (2.38 Å) and one longer (2.50 Å) Cr(4)-S(11) bond length. In the fifth Cr site, Cr(5) is bonded to one S(1), one S(12), one S(15), one S(2), one S(7), and one S(9) atom to form a mixture of corner, face, and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. The Cr(5)-S(1) bond length is 2.38 Å. The Cr(5)-S(12) bond length is 2.42 Å. The Cr(5)-S(15) bond length is 2.32 Å. The Cr(5)-S(2) bond length is 2.48 Å. The Cr(5)-S(7) bond length is 2.42 Å. The Cr(5)-S(9) bond length is 2.37 Å. In the sixth Cr site, Cr(6) is bonded to one S(13), one S(14), one S(3), one S(5), and two equivalent S(8) atoms to form a mixture of corner, face, and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. The Cr(6)-S(13) bond length is 2.42 Å. The Cr(6)-S(14) bond length is 2.38 Å. The Cr(6)-S(3) bond length is 2.42 Å. The Cr(6)-S(5) bond length is 2.32 Å. There is one shorter (2.39 Å) and one longer (2.48 Å) Cr(6)-S(8) bond length. In the seventh Cr site, Cr(7) is bonded to one S(10), one S(12), one S(15), one S(3), one S(5), and one S(6) atom to form a mixture of corner and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 46-47°. The Cr(7)-S(10) bond length is 2.35 Å. The Cr(7)-S(12) bond length is 2.44 Å. The Cr(7)-S(15) bond length is 2.35 Å. The Cr(7)-S(3) bond length is 2.45 Å. The Cr(7)-S(5) bond length is 2.35 Å. The Cr(7)-S(6) bond length is 2.44 Å. In the eighth Cr site, Cr(8) is bonded to one S(13), one S(14), one S(7), one S(9), and two equivalent S(4) atoms to form a mixture of corner, face, and edge-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 49-51°. The Cr(8)-S(13) bond length is 2.37 Å. The Cr(8)-S(14) bond length is 2.42 Å. The Cr(8)-S(7) bond length is 2.38 Å. The Cr(8)-S(9) bond length is 2.43 Å. There is one shorter (2.37 Å) and one longer (2.42 Å) Cr(8)-S(4) bond length. In the ninth Cr site, Cr(9) is bonded to one S(1), one S(11), one S(14), one S(4), one S(6), and one S(9) atom to form a mixture of corner and face-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 45-51°. The Cr(9)-S(1) bond length is 2.40 Å. The Cr(9)-S(11) bond length is 2.41 Å. The Cr(9)-S(14) bond length is 2.43 Å. The Cr(9)-S(4) bond length is 2.43 Å. The Cr(9)-S(6) bond length is 2.41 Å. The Cr(9)-S(9) bond length is 2.44 Å. In the tenth Cr site, Cr(10) is bonded to one S(12), one S(13), one S(2), one S(3), one S(7), and one S(8) atom to form a mixture of corner and face-sharing CrS6 octahedra. The corner-sharing octahedral tilt angles range from 45-52°. The Cr(10)-S(12) bond length is 2.42 Å. The Cr(10)-S(13) bond length is 2.42 Å. The Cr(10)-S(2) bond length is 2.42 Å. The Cr(10)-S(3) bond length is 2.43 Å. The Cr(10)-S(7) bond length is 2.44 Å. The Cr(10)-S(8) bond length is 2.40 Å. There are fifteen inequivalent S sites. In the first S site, S(1) is bonded in a rectangular see-saw-like geometry to one Cr(2), one Cr(4), one Cr(5), and one Cr(9) atom. In the second S site, S(2) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(10), one Cr(4), and one Cr(5) atom. In the third S site, S(3) is bonded in a rectangular see-saw-like geometry to one Cr(10), one Cr(3), one Cr(6), and one Cr(7) atom. In the fourth S site, S(4) is bonded in a rectangular see-saw-like geometry to one Cr(3), one Cr(9), and two equivalent Cr(8) atoms. In the fifth S site, S(5) is bonded in a distorted T-shaped geometry to one Cr(1), one Cr(6), and one Cr(7) atom. In the sixth S site, S(6) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(4), one Cr(7), and one Cr(9) atom. In the seventh S site, S(7) is bonded in a rectangular see-saw-like geometry to one Cr(10), one Cr(3), one Cr(5), and one Cr(8) atom. In the eighth S site, S(8) is bonded in a rectangular see-saw-like geometry to one Cr(10), one Cr(3), and two equivalent Cr(6) atoms. In the ninth S site, S(9) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(5), one Cr(8), and one Cr(9) atom. In the tenth S site, S(10) is bonded in a distorted T-shaped geometry to one Cr(2), one Cr(4), and one Cr(7) atom. In the eleventh S site, S(11) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(9), and two equivalent Cr(4) atoms. In the twelfth S site, S(12) is bonded in a rectangular see-saw-like geometry to one Cr(10), one Cr(2), one Cr(5), and one Cr(7) atom. In the thirteenth S site, S(13) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(10), one Cr(6), and one Cr(8) atom. In the fourteenth S site, S(14) is bonded in a rectangular see-saw-like geometry to one Cr(3), one Cr(6), one Cr(8), and one Cr(9) atom. In the fifteenth S site, S(15) is bonded in a distorted T-shaped geometry to one Cr(3), one Cr(5), and one Cr(7) atom.