The compound described by CsAg7S4 crystallizes in the tetragonal P4/n space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a body-centered cubic geometry to four equivalent S(1) and four equivalent S(2) atoms. In the second Cs site, Cs(2) is bonded in a body-centered cubic geometry to four equivalent S(1) and four equivalent S(2) atoms. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a linear geometry to two equivalent S(1) atoms. In the second Ag site, Ag(2) is bonded in a 3-coordinate geometry to one S(1) and three equivalent S(2) atoms. In the third Ag site, Ag(3) is bonded in a distorted trigonal non-coplanar geometry to one S(2) and two equivalent S(1) atoms. In the fourth Ag site, Ag(4) is bonded in a distorted trigonal planar geometry to one S(1) and two equivalent S(2) atoms. There are two inequivalent S sites. In the first S site, S(1) is bonded in a 7-coordinate geometry to one Cs(1), one Cs(2), one Ag(1), one Ag(2), one Ag(4), and two equivalent Ag(3) atoms. In the second S site, S(2) is bonded in a 8-coordinate geometry to one Cs(1), one Cs(2), one Ag(3), two equivalent Ag(4), and three equivalent Ag(2) atoms. is represented by the CIF file [CIF]
data_CsAg7S4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.227
_cell_length_b   11.227
_cell_length_c   8.442
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1064.023
_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  0.500  0.000  0.622  1.0
  Cs  Cs1  1  0.000  0.500  0.378  1.0
  Cs  Cs2  1  0.500  0.000  0.120  1.0
  Cs  Cs3  1  0.000  0.500  0.880  1.0
  Ag  Ag4  1  0.250  0.250  0.000  1.0
  Ag  Ag5  1  0.750  0.750  0.000  1.0
  Ag  Ag6  1  0.250  0.750  0.000  1.0
  Ag  Ag7  1  0.750  0.250  0.000  1.0
  Ag  Ag8  1  0.731  0.288  0.662  1.0
  Ag  Ag9  1  0.269  0.712  0.662  1.0
  Ag  Ag10  1  0.212  0.231  0.662  1.0
  Ag  Ag11  1  0.788  0.769  0.662  1.0
  Ag  Ag12  1  0.769  0.212  0.338  1.0
  Ag  Ag13  1  0.231  0.788  0.338  1.0
  Ag  Ag14  1  0.288  0.269  0.338  1.0
  Ag  Ag15  1  0.712  0.731  0.338  1.0
  Ag  Ag16  1  0.981  0.865  0.879  1.0
  Ag  Ag17  1  0.019  0.135  0.879  1.0
  Ag  Ag18  1  0.635  0.481  0.879  1.0
  Ag  Ag19  1  0.365  0.519  0.879  1.0
  Ag  Ag20  1  0.519  0.635  0.121  1.0
  Ag  Ag21  1  0.481  0.365  0.121  1.0
  Ag  Ag22  1  0.865  0.019  0.121  1.0
  Ag  Ag23  1  0.135  0.981  0.121  1.0
  Ag  Ag24  1  0.539  0.641  0.613  1.0
  Ag  Ag25  1  0.461  0.359  0.613  1.0
  Ag  Ag26  1  0.859  0.039  0.613  1.0
  Ag  Ag27  1  0.141  0.961  0.613  1.0
  Ag  Ag28  1  0.961  0.859  0.387  1.0
  Ag  Ag29  1  0.039  0.141  0.387  1.0
  Ag  Ag30  1  0.641  0.461  0.387  1.0
  Ag  Ag31  1  0.359  0.539  0.387  1.0
  S  S32  1  0.239  0.061  0.865  1.0
  S  S33  1  0.761  0.939  0.865  1.0
  S  S34  1  0.439  0.739  0.865  1.0
  S  S35  1  0.561  0.261  0.865  1.0
  S  S36  1  0.261  0.439  0.135  1.0
  S  S37  1  0.739  0.561  0.135  1.0
  S  S38  1  0.061  0.761  0.135  1.0
  S  S39  1  0.939  0.239  0.135  1.0
  S  S40  1  0.255  0.445  0.627  1.0
  S  S41  1  0.745  0.555  0.627  1.0
  S  S42  1  0.055  0.755  0.627  1.0
  S  S43  1  0.945  0.245  0.627  1.0
  S  S44  1  0.245  0.055  0.373  1.0
  S  S45  1  0.755  0.945  0.373  1.0
  S  S46  1  0.445  0.745  0.373  1.0
  S  S47  1  0.555  0.255  0.373  1.0
[/CIF]
.
The compound described by CsAg7S4 crystallizes in the tetragonal P4/n space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a body-centered cubic geometry to four equivalent S(1) and four equivalent S(2) atoms. In the second Cs site, Cs(2) is bonded in a body-centered cubic geometry to four equivalent S(1) and four equivalent S(2) atoms. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a linear geometry to two equivalent S(1) atoms. In the second Ag site, Ag(2) is bonded in a 3-coordinate geometry to one S(1) and three equivalent S(2) atoms. In the third Ag site, Ag(3) is bonded in a distorted trigonal non-coplanar geometry to one S(2) and two equivalent S(1) atoms. In the fourth Ag site, Ag(4) is bonded in a distorted trigonal planar geometry to one S(1) and two equivalent S(2) atoms. There are two inequivalent S sites. In the first S site, S(1) is bonded in a 7-coordinate geometry to one Cs(1), one Cs(2), one Ag(1), one Ag(2), one Ag(4), and two equivalent Ag(3) atoms. In the second S site, S(2) is bonded in a 8-coordinate geometry to one Cs(1), one Cs(2), one Ag(3), two equivalent Ag(4), and three equivalent Ag(2) atoms. is represented by the CIF file [CIF]
data_CsAg7S4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.227
_cell_length_b   11.227
_cell_length_c   8.442
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1064.023
_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  0.500  0.000  0.622  1.0
  Cs  Cs1  1  0.000  0.500  0.378  1.0
  Cs  Cs2  1  0.500  0.000  0.120  1.0
  Cs  Cs3  1  0.000  0.500  0.880  1.0
  Ag  Ag4  1  0.250  0.250  0.000  1.0
  Ag  Ag5  1  0.750  0.750  0.000  1.0
  Ag  Ag6  1  0.250  0.750  0.000  1.0
  Ag  Ag7  1  0.750  0.250  0.000  1.0
  Ag  Ag8  1  0.731  0.288  0.662  1.0
  Ag  Ag9  1  0.269  0.712  0.662  1.0
  Ag  Ag10  1  0.212  0.231  0.662  1.0
  Ag  Ag11  1  0.788  0.769  0.662  1.0
  Ag  Ag12  1  0.769  0.212  0.338  1.0
  Ag  Ag13  1  0.231  0.788  0.338  1.0
  Ag  Ag14  1  0.288  0.269  0.338  1.0
  Ag  Ag15  1  0.712  0.731  0.338  1.0
  Ag  Ag16  1  0.981  0.865  0.879  1.0
  Ag  Ag17  1  0.019  0.135  0.879  1.0
  Ag  Ag18  1  0.635  0.481  0.879  1.0
  Ag  Ag19  1  0.365  0.519  0.879  1.0
  Ag  Ag20  1  0.519  0.635  0.121  1.0
  Ag  Ag21  1  0.481  0.365  0.121  1.0
  Ag  Ag22  1  0.865  0.019  0.121  1.0
  Ag  Ag23  1  0.135  0.981  0.121  1.0
  Ag  Ag24  1  0.539  0.641  0.613  1.0
  Ag  Ag25  1  0.461  0.359  0.613  1.0
  Ag  Ag26  1  0.859  0.039  0.613  1.0
  Ag  Ag27  1  0.141  0.961  0.613  1.0
  Ag  Ag28  1  0.961  0.859  0.387  1.0
  Ag  Ag29  1  0.039  0.141  0.387  1.0
  Ag  Ag30  1  0.641  0.461  0.387  1.0
  Ag  Ag31  1  0.359  0.539  0.387  1.0
  S  S32  1  0.239  0.061  0.865  1.0
  S  S33  1  0.761  0.939  0.865  1.0
  S  S34  1  0.439  0.739  0.865  1.0
  S  S35  1  0.561  0.261  0.865  1.0
  S  S36  1  0.261  0.439  0.135  1.0
  S  S37  1  0.739  0.561  0.135  1.0
  S  S38  1  0.061  0.761  0.135  1.0
  S  S39  1  0.939  0.239  0.135  1.0
  S  S40  1  0.255  0.445  0.627  1.0
  S  S41  1  0.745  0.555  0.627  1.0
  S  S42  1  0.055  0.755  0.627  1.0
  S  S43  1  0.945  0.245  0.627  1.0
  S  S44  1  0.245  0.055  0.373  1.0
  S  S45  1  0.755  0.945  0.373  1.0
  S  S46  1  0.445  0.745  0.373  1.0
  S  S47  1  0.555  0.255  0.373  1.0
[/CIF]
.