The compound described by Cs2Bi2CdS5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 7-coordinate geometry to two equivalent S(3), two equivalent S(5), and three equivalent S(1) atoms. In the second Cs site, Cs(2) is bonded to one S(5), two equivalent S(4), and three equivalent S(2) atoms to form distorted CsS6 octahedra that share corners with three equivalent Bi(2)S6 octahedra, corners with four equivalent Bi(1)S5 square pyramids, corners with three equivalent Cd(1)S4 tetrahedra, edges with two equivalent Bi(2)S6 octahedra, edges with four equivalent Cs(2)S6 octahedra,  an edgeedge with one Bi(1)S5 square pyramid, and  an edgeedge with one Cd(1)S4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-54°. Cd(1) is bonded to one S(1), one S(5), and two equivalent S(4) atoms to form CdS4 tetrahedra that share corners with three equivalent Cs(2)S6 octahedra, corners with two equivalent Bi(1)S5 square pyramids, corners with two equivalent Cd(1)S4 tetrahedra,  an edgeedge with one Cs(2)S6 octahedra, and edges with two equivalent Bi(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 1-28°. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one S(3), two equivalent S(1), and two equivalent S(2) atoms to form BiS5 square pyramids that share corners with four equivalent Cs(2)S6 octahedra, corners with two equivalent Cd(1)S4 tetrahedra,  an edgeedge with one Cs(2)S6 octahedra, edges with two equivalent Bi(2)S6 octahedra, and edges with two equivalent Bi(1)S5 square pyramids. The corner-sharing octahedral tilt angles range from 11-87°. In the second Bi site, Bi(2) is bonded to one S(2), one S(4), two equivalent S(3), and two equivalent S(5) atoms to form BiS6 octahedra that share corners with three equivalent Cs(2)S6 octahedra, edges with two equivalent Cs(2)S6 octahedra, edges with two equivalent Bi(2)S6 octahedra, edges with two equivalent Bi(1)S5 square pyramids, and edges with two equivalent Cd(1)S4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-54°. There are five inequivalent S sites. In the first S site, S(1) is bonded to three equivalent Cs(1), one Cd(1), and two equivalent Bi(1) atoms to form distorted SCs3CdBi2 octahedra that share corners with two equivalent S(2)Cs3Bi3 octahedra, corners with four equivalent S(5)Cs3CdBi2 octahedra, corners with two equivalent S(3)Cs2Bi3 square pyramids,  an edgeedge with one S(2)Cs3Bi3 octahedra, edges with four equivalent S(1)Cs3CdBi2 octahedra, edges with three equivalent S(3)Cs2Bi3 square pyramids, and  a faceface with one S(5)Cs3CdBi2 octahedra. The corner-sharing octahedral tilt angles range from 2-69°. In the second S site, S(2) is bonded to three equivalent Cs(2), one Bi(2), and two equivalent Bi(1) atoms to form SCs3Bi3 octahedra that share  a cornercorner with one S(5)Cs3CdBi2 octahedra, corners with two equivalent S(1)Cs3CdBi2 octahedra,  an edgeedge with one S(1)Cs3CdBi2 octahedra, edges with two equivalent S(5)Cs3CdBi2 octahedra, edges with four equivalent S(2)Cs3Bi3 octahedra, and edges with two equivalent S(3)Cs2Bi3 square pyramids. The corner-sharing octahedral tilt angles range from 2-14°. In the third S site, S(3) is bonded to two equivalent Cs(1), one Bi(1), and two equivalent Bi(2) atoms to form distorted SCs2Bi3 square pyramids that share corners with two equivalent S(1)Cs3CdBi2 octahedra, corners with four equivalent S(5)Cs3CdBi2 octahedra, edges with two equivalent S(2)Cs3Bi3 octahedra, edges with two equivalent S(5)Cs3CdBi2 octahedra, edges with three equivalent S(1)Cs3CdBi2 octahedra, and edges with two equivalent S(3)Cs2Bi3 square pyramids. The corner-sharing octahedral tilt angles range from 3-47°. In the fourth S site, S(4) is bonded in a 5-coordinate geometry to two equivalent Cs(2), two equivalent Cd(1), and one Bi(2) atom. In the fifth S site, S(5) is bonded to one Cs(2), two equivalent Cs(1), one Cd(1), and two equivalent Bi(2) atoms to form distorted SCs3CdBi2 octahedra that share  a cornercorner with one S(2)Cs3Bi3 octahedra, corners with four equivalent S(1)Cs3CdBi2 octahedra, corners with four equivalent S(3)Cs2Bi3 square pyramids, edges with two equivalent S(2)Cs3Bi3 octahedra, edges with two equivalent S(5)Cs3CdBi2 octahedra, edges with two equivalent S(3)Cs2Bi3 square pyramids, and  a faceface with one S(1)Cs3CdBi2 octahedra. The corner-sharing octahedral tilt angles range from 14-69°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cs2CdBi2S5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.230
_cell_length_b   16.093
_cell_length_c   18.770
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1277.750
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Cs  Cs0  1  0.750  0.993  0.627  1.0
  Cs  Cs1  1  0.750  0.535  0.388  1.0
  Cs  Cs2  1  0.250  0.465  0.612  1.0
  Cs  Cs3  1  0.250  0.965  0.888  1.0
  Cs  Cs4  1  0.250  0.007  0.373  1.0
  Cs  Cs5  1  0.250  0.507  0.127  1.0
  Cs  Cs6  1  0.750  0.493  0.873  1.0
  Cs  Cs7  1  0.750  0.035  0.112  1.0
  Cd  Cd8  1  0.250  0.711  0.854  1.0
  Cd  Cd9  1  0.750  0.289  0.146  1.0
  Cd  Cd10  1  0.750  0.789  0.354  1.0
  Cd  Cd11  1  0.250  0.211  0.646  1.0
  Bi  Bi12  1  0.250  0.255  0.982  1.0
  Bi  Bi13  1  0.750  0.208  0.805  1.0
  Bi  Bi14  1  0.250  0.292  0.305  1.0
  Bi  Bi15  1  0.250  0.755  0.518  1.0
  Bi  Bi16  1  0.750  0.245  0.482  1.0
  Bi  Bi17  1  0.250  0.792  0.195  1.0
  Bi  Bi18  1  0.750  0.708  0.695  1.0
  Bi  Bi19  1  0.750  0.745  0.018  1.0
  S  S20  1  0.250  0.638  0.976  1.0
  S  S21  1  0.250  0.138  0.524  1.0
  S  S22  1  0.750  0.639  0.562  1.0
  S  S23  1  0.750  0.183  0.353  1.0
  S  S24  1  0.250  0.361  0.438  1.0
  S  S25  1  0.750  0.362  0.024  1.0
  S  S26  1  0.250  0.817  0.647  1.0
  S  S27  1  0.250  0.700  0.338  1.0
  S  S28  1  0.750  0.894  0.249  1.0
  S  S29  1  0.750  0.394  0.251  1.0
  S  S30  1  0.250  0.106  0.751  1.0
  S  S31  1  0.750  0.800  0.838  1.0
  S  S32  1  0.250  0.861  0.062  1.0
  S  S33  1  0.250  0.606  0.749  1.0
  S  S34  1  0.750  0.300  0.662  1.0
  S  S35  1  0.750  0.139  0.938  1.0
  S  S36  1  0.750  0.683  0.147  1.0
  S  S37  1  0.250  0.200  0.162  1.0
  S  S38  1  0.250  0.317  0.853  1.0
  S  S39  1  0.750  0.862  0.476  1.0
[/CIF]
.
The compound described by Cs2Bi2CdS5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 7-coordinate geometry to two equivalent S(3), two equivalent S(5), and three equivalent S(1) atoms. In the second Cs site, Cs(2) is bonded to one S(5), two equivalent S(4), and three equivalent S(2) atoms to form distorted CsS6 octahedra that share corners with three equivalent Bi(2)S6 octahedra, corners with four equivalent Bi(1)S5 square pyramids, corners with three equivalent Cd(1)S4 tetrahedra, edges with two equivalent Bi(2)S6 octahedra, edges with four equivalent Cs(2)S6 octahedra,  an edgeedge with one Bi(1)S5 square pyramid, and  an edgeedge with one Cd(1)S4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-54°. Cd(1) is bonded to one S(1), one S(5), and two equivalent S(4) atoms to form CdS4 tetrahedra that share corners with three equivalent Cs(2)S6 octahedra, corners with two equivalent Bi(1)S5 square pyramids, corners with two equivalent Cd(1)S4 tetrahedra,  an edgeedge with one Cs(2)S6 octahedra, and edges with two equivalent Bi(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 1-28°. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one S(3), two equivalent S(1), and two equivalent S(2) atoms to form BiS5 square pyramids that share corners with four equivalent Cs(2)S6 octahedra, corners with two equivalent Cd(1)S4 tetrahedra,  an edgeedge with one Cs(2)S6 octahedra, edges with two equivalent Bi(2)S6 octahedra, and edges with two equivalent Bi(1)S5 square pyramids. The corner-sharing octahedral tilt angles range from 11-87°. In the second Bi site, Bi(2) is bonded to one S(2), one S(4), two equivalent S(3), and two equivalent S(5) atoms to form BiS6 octahedra that share corners with three equivalent Cs(2)S6 octahedra, edges with two equivalent Cs(2)S6 octahedra, edges with two equivalent Bi(2)S6 octahedra, edges with two equivalent Bi(1)S5 square pyramids, and edges with two equivalent Cd(1)S4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-54°. There are five inequivalent S sites. In the first S site, S(1) is bonded to three equivalent Cs(1), one Cd(1), and two equivalent Bi(1) atoms to form distorted SCs3CdBi2 octahedra that share corners with two equivalent S(2)Cs3Bi3 octahedra, corners with four equivalent S(5)Cs3CdBi2 octahedra, corners with two equivalent S(3)Cs2Bi3 square pyramids,  an edgeedge with one S(2)Cs3Bi3 octahedra, edges with four equivalent S(1)Cs3CdBi2 octahedra, edges with three equivalent S(3)Cs2Bi3 square pyramids, and  a faceface with one S(5)Cs3CdBi2 octahedra. The corner-sharing octahedral tilt angles range from 2-69°. In the second S site, S(2) is bonded to three equivalent Cs(2), one Bi(2), and two equivalent Bi(1) atoms to form SCs3Bi3 octahedra that share  a cornercorner with one S(5)Cs3CdBi2 octahedra, corners with two equivalent S(1)Cs3CdBi2 octahedra,  an edgeedge with one S(1)Cs3CdBi2 octahedra, edges with two equivalent S(5)Cs3CdBi2 octahedra, edges with four equivalent S(2)Cs3Bi3 octahedra, and edges with two equivalent S(3)Cs2Bi3 square pyramids. The corner-sharing octahedral tilt angles range from 2-14°. In the third S site, S(3) is bonded to two equivalent Cs(1), one Bi(1), and two equivalent Bi(2) atoms to form distorted SCs2Bi3 square pyramids that share corners with two equivalent S(1)Cs3CdBi2 octahedra, corners with four equivalent S(5)Cs3CdBi2 octahedra, edges with two equivalent S(2)Cs3Bi3 octahedra, edges with two equivalent S(5)Cs3CdBi2 octahedra, edges with three equivalent S(1)Cs3CdBi2 octahedra, and edges with two equivalent S(3)Cs2Bi3 square pyramids. The corner-sharing octahedral tilt angles range from 3-47°. In the fourth S site, S(4) is bonded in a 5-coordinate geometry to two equivalent Cs(2), two equivalent Cd(1), and one Bi(2) atom. In the fifth S site, S(5) is bonded to one Cs(2), two equivalent Cs(1), one Cd(1), and two equivalent Bi(2) atoms to form distorted SCs3CdBi2 octahedra that share  a cornercorner with one S(2)Cs3Bi3 octahedra, corners with four equivalent S(1)Cs3CdBi2 octahedra, corners with four equivalent S(3)Cs2Bi3 square pyramids, edges with two equivalent S(2)Cs3Bi3 octahedra, edges with two equivalent S(5)Cs3CdBi2 octahedra, edges with two equivalent S(3)Cs2Bi3 square pyramids, and  a faceface with one S(1)Cs3CdBi2 octahedra. The corner-sharing octahedral tilt angles range from 14-69°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cs2CdBi2S5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.230
_cell_length_b   16.093
_cell_length_c   18.770
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1277.750
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Cs  Cs0  1  0.750  0.993  0.627  1.0
  Cs  Cs1  1  0.750  0.535  0.388  1.0
  Cs  Cs2  1  0.250  0.465  0.612  1.0
  Cs  Cs3  1  0.250  0.965  0.888  1.0
  Cs  Cs4  1  0.250  0.007  0.373  1.0
  Cs  Cs5  1  0.250  0.507  0.127  1.0
  Cs  Cs6  1  0.750  0.493  0.873  1.0
  Cs  Cs7  1  0.750  0.035  0.112  1.0
  Cd  Cd8  1  0.250  0.711  0.854  1.0
  Cd  Cd9  1  0.750  0.289  0.146  1.0
  Cd  Cd10  1  0.750  0.789  0.354  1.0
  Cd  Cd11  1  0.250  0.211  0.646  1.0
  Bi  Bi12  1  0.250  0.255  0.982  1.0
  Bi  Bi13  1  0.750  0.208  0.805  1.0
  Bi  Bi14  1  0.250  0.292  0.305  1.0
  Bi  Bi15  1  0.250  0.755  0.518  1.0
  Bi  Bi16  1  0.750  0.245  0.482  1.0
  Bi  Bi17  1  0.250  0.792  0.195  1.0
  Bi  Bi18  1  0.750  0.708  0.695  1.0
  Bi  Bi19  1  0.750  0.745  0.018  1.0
  S  S20  1  0.250  0.638  0.976  1.0
  S  S21  1  0.250  0.138  0.524  1.0
  S  S22  1  0.750  0.639  0.562  1.0
  S  S23  1  0.750  0.183  0.353  1.0
  S  S24  1  0.250  0.361  0.438  1.0
  S  S25  1  0.750  0.362  0.024  1.0
  S  S26  1  0.250  0.817  0.647  1.0
  S  S27  1  0.250  0.700  0.338  1.0
  S  S28  1  0.750  0.894  0.249  1.0
  S  S29  1  0.750  0.394  0.251  1.0
  S  S30  1  0.250  0.106  0.751  1.0
  S  S31  1  0.750  0.800  0.838  1.0
  S  S32  1  0.250  0.861  0.062  1.0
  S  S33  1  0.250  0.606  0.749  1.0
  S  S34  1  0.750  0.300  0.662  1.0
  S  S35  1  0.750  0.139  0.938  1.0
  S  S36  1  0.750  0.683  0.147  1.0
  S  S37  1  0.250  0.200  0.162  1.0
  S  S38  1  0.250  0.317  0.853  1.0
  S  S39  1  0.750  0.862  0.476  1.0
[/CIF]
.