The structure described by Cs4MgNb2(AgS4)2 crystallizes in the monoclinic C2 space group. There are four inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 4-coordinate geometry to two equivalent S(4) and four equivalent S(2) atoms. In the second Cs site, Cs(2) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), and four equivalent S(3) atoms. In the third Cs site, Cs(3) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), and four equivalent S(4) atoms. In the fourth Cs site, Cs(4) is bonded in a 10-coordinate geometry to two equivalent Mg(1), two equivalent S(3), two equivalent S(4), and four equivalent S(1) atoms. Mg(1) is bonded in a 4-coordinate geometry to two equivalent Cs(4), two equivalent S(1), and two equivalent S(3) atoms. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded in a tetrahedral geometry to two equivalent S(2) and two equivalent S(3) atoms. In the second Nb site, Nb(2) is bonded to two equivalent S(1) and two equivalent S(4) atoms to form NbS4 tetrahedra that share edges with two equivalent Ag(1)S4 tetrahedra. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to two equivalent S(1) and two equivalent S(4) atoms to form distorted AgS4 tetrahedra that share edges with two equivalent Nb(2)S4 tetrahedra. In the second Ag site, Ag(2) is bonded in a 4-coordinate geometry to two equivalent S(2) and two equivalent S(3) atoms. There are four inequivalent S sites. In the first S site, S(1) is bonded in a 7-coordinate geometry to one Cs(2), one Cs(3), two equivalent Cs(4), one Mg(1), one Nb(2), and one Ag(1) atom. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Cs(2), one Cs(3), two equivalent Cs(1), one Nb(1), and one Ag(2) atom. In the third S site, S(3) is bonded in a 3-coordinate geometry to one Cs(4), two equivalent Cs(2), one Mg(1), one Nb(1), and one Ag(2) atom. In the fourth S site, S(4) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(4), two equivalent Cs(3), one Nb(2), and one Ag(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cs4MgNb2(AgS4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.142
_cell_length_b   7.761
_cell_length_c   12.764
_cell_angle_alpha   84.525
_cell_angle_beta   76.071
_cell_angle_gamma   66.691
_symmetry_Int_Tables_number   1
_cell_volume   542.325
_cell_formula_units_Z   1
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  0.799  0.750  0.402  1.0
  Cs  Cs1  1  0.443  0.750  0.113  1.0
  Cs  Cs2  1  0.198  0.250  0.603  1.0
  Cs  Cs3  1  0.570  0.250  0.859  1.0
  Mg  Mg4  1  0.001  0.250  0.997  1.0
  Nb  Nb5  1  0.379  0.250  0.242  1.0
  Nb  Nb6  1  0.619  0.750  0.762  1.0
  Ag  Ag7  1  0.120  0.750  0.760  1.0
  Ag  Ag8  1  0.867  0.250  0.266  1.0
  S  S9  1  0.883  0.537  0.871  1.0
  S  S10  1  0.217  0.053  0.352  1.0
  S  S11  1  0.757  0.090  0.119  1.0
  S  S12  1  0.430  0.447  0.352  1.0
  S  S13  1  0.551  0.566  0.650  1.0
  S  S14  1  0.245  0.963  0.872  1.0
  S  S15  1  0.124  0.410  0.119  1.0
  S  S16  1  0.798  0.935  0.650  1.0
[/CIF]
.
The structure described by Cs4MgNb2(AgS4)2 crystallizes in the monoclinic C2 space group. There are four inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 4-coordinate geometry to two equivalent S(4) and four equivalent S(2) atoms. In the second Cs site, Cs(2) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), and four equivalent S(3) atoms. In the third Cs site, Cs(3) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), and four equivalent S(4) atoms. In the fourth Cs site, Cs(4) is bonded in a 10-coordinate geometry to two equivalent Mg(1), two equivalent S(3), two equivalent S(4), and four equivalent S(1) atoms. Mg(1) is bonded in a 4-coordinate geometry to two equivalent Cs(4), two equivalent S(1), and two equivalent S(3) atoms. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded in a tetrahedral geometry to two equivalent S(2) and two equivalent S(3) atoms. In the second Nb site, Nb(2) is bonded to two equivalent S(1) and two equivalent S(4) atoms to form NbS4 tetrahedra that share edges with two equivalent Ag(1)S4 tetrahedra. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to two equivalent S(1) and two equivalent S(4) atoms to form distorted AgS4 tetrahedra that share edges with two equivalent Nb(2)S4 tetrahedra. In the second Ag site, Ag(2) is bonded in a 4-coordinate geometry to two equivalent S(2) and two equivalent S(3) atoms. There are four inequivalent S sites. In the first S site, S(1) is bonded in a 7-coordinate geometry to one Cs(2), one Cs(3), two equivalent Cs(4), one Mg(1), one Nb(2), and one Ag(1) atom. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Cs(2), one Cs(3), two equivalent Cs(1), one Nb(1), and one Ag(2) atom. In the third S site, S(3) is bonded in a 3-coordinate geometry to one Cs(4), two equivalent Cs(2), one Mg(1), one Nb(1), and one Ag(2) atom. In the fourth S site, S(4) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(4), two equivalent Cs(3), one Nb(2), and one Ag(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cs4MgNb2(AgS4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.142
_cell_length_b   7.761
_cell_length_c   12.764
_cell_angle_alpha   84.525
_cell_angle_beta   76.071
_cell_angle_gamma   66.691
_symmetry_Int_Tables_number   1
_cell_volume   542.325
_cell_formula_units_Z   1
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  0.799  0.750  0.402  1.0
  Cs  Cs1  1  0.443  0.750  0.113  1.0
  Cs  Cs2  1  0.198  0.250  0.603  1.0
  Cs  Cs3  1  0.570  0.250  0.859  1.0
  Mg  Mg4  1  0.001  0.250  0.997  1.0
  Nb  Nb5  1  0.379  0.250  0.242  1.0
  Nb  Nb6  1  0.619  0.750  0.762  1.0
  Ag  Ag7  1  0.120  0.750  0.760  1.0
  Ag  Ag8  1  0.867  0.250  0.266  1.0
  S  S9  1  0.883  0.537  0.871  1.0
  S  S10  1  0.217  0.053  0.352  1.0
  S  S11  1  0.757  0.090  0.119  1.0
  S  S12  1  0.430  0.447  0.352  1.0
  S  S13  1  0.551  0.566  0.650  1.0
  S  S14  1  0.245  0.963  0.872  1.0
  S  S15  1  0.124  0.410  0.119  1.0
  S  S16  1  0.798  0.935  0.650  1.0
[/CIF]
.