The crystal structure described by KMgAg2SbS4 crystallizes in the monoclinic Cm space group. K(1) is bonded in a 3-coordinate geometry to one S(1) and four equivalent S(2) atoms. Mg(1) is bonded in a 4-coordinate geometry to one S(1), one S(3), and two equivalent S(2) atoms. Ag(1) is bonded in a 3-coordinate geometry to one S(1), one S(2), and one S(3) atom. Sb(1) is bonded in a distorted trigonal non-coplanar geometry to one S(3) and two equivalent S(2) atoms. There are three inequivalent S sites. In the first S site, S(1) is bonded in a trigonal pyramidal geometry to one K(1), one Mg(1), and two equivalent Ag(1) atoms. In the second S site, S(2) is bonded in a 5-coordinate geometry to two equivalent K(1), one Mg(1), one Ag(1), and one Sb(1) atom. In the third S site, S(3) is bonded in a 4-coordinate geometry to one Mg(1), two equivalent Ag(1), and one Sb(1) atom. is represented by the CIF card [CIF]
data_KMgAg2SbS4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.226
_cell_length_b   6.725
_cell_length_c   9.393
_cell_angle_alpha   65.080
_cell_angle_beta   138.000
_cell_angle_gamma   130.491
_symmetry_Int_Tables_number   1
_cell_volume   262.503
_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
  K  K0  1  0.000  0.866  0.022  1.0
  Mg  Mg1  1  0.000  0.272  0.223  1.0
  Ag  Ag2  1  0.514  0.278  0.690  1.0
  Ag  Ag3  1  0.486  0.764  0.176  1.0
  Sb  Sb4  1  0.000  0.470  0.499  1.0
  S  S5  1  0.000  0.359  0.951  1.0
  S  S6  1  0.610  0.244  0.132  1.0
  S  S7  1  0.390  0.634  0.521  1.0
  S  S8  1  0.000  0.873  0.425  1.0
[/CIF]
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The crystal structure described by KMgAg2SbS4 crystallizes in the monoclinic Cm space group. K(1) is bonded in a 3-coordinate geometry to one S(1) and four equivalent S(2) atoms. Mg(1) is bonded in a 4-coordinate geometry to one S(1), one S(3), and two equivalent S(2) atoms. Ag(1) is bonded in a 3-coordinate geometry to one S(1), one S(2), and one S(3) atom. Sb(1) is bonded in a distorted trigonal non-coplanar geometry to one S(3) and two equivalent S(2) atoms. There are three inequivalent S sites. In the first S site, S(1) is bonded in a trigonal pyramidal geometry to one K(1), one Mg(1), and two equivalent Ag(1) atoms. In the second S site, S(2) is bonded in a 5-coordinate geometry to two equivalent K(1), one Mg(1), one Ag(1), and one Sb(1) atom. In the third S site, S(3) is bonded in a 4-coordinate geometry to one Mg(1), two equivalent Ag(1), and one Sb(1) atom. is represented by the CIF card [CIF]
data_KMgAg2SbS4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.226
_cell_length_b   6.725
_cell_length_c   9.393
_cell_angle_alpha   65.080
_cell_angle_beta   138.000
_cell_angle_gamma   130.491
_symmetry_Int_Tables_number   1
_cell_volume   262.503
_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
  K  K0  1  0.000  0.866  0.022  1.0
  Mg  Mg1  1  0.000  0.272  0.223  1.0
  Ag  Ag2  1  0.514  0.278  0.690  1.0
  Ag  Ag3  1  0.486  0.764  0.176  1.0
  Sb  Sb4  1  0.000  0.470  0.499  1.0
  S  S5  1  0.000  0.359  0.951  1.0
  S  S6  1  0.610  0.244  0.132  1.0
  S  S7  1  0.390  0.634  0.521  1.0
  S  S8  1  0.000  0.873  0.425  1.0
[/CIF]
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