The crystal structure described by KMgAg2SbS4 crystallizes in the triclinic P1 space group. K(1) is bonded in a 7-coordinate geometry to one Ag(1), one Ag(2), one S(2), one S(3), one S(4), and two equivalent S(1) atoms. Mg(1) is bonded in a 3-coordinate geometry to one S(2), one S(3), and one S(4) atom. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 3-coordinate geometry to one K(1), one S(1), one S(2), and one S(4) atom. In the second Ag site, Ag(2) is bonded in a 2-coordinate geometry to one K(1), one S(2), and one S(3) atom. Sb(1) is bonded in a 3-coordinate geometry to one S(1), one S(3), and one S(4) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded in a distorted rectangular see-saw-like geometry to two equivalent K(1), one Ag(1), and one Sb(1) atom. In the second S site, S(2) is bonded to one K(1), one Mg(1), one Ag(1), and one Ag(2) atom to form distorted corner-sharing SKMgAg2 trigonal pyramids. In the third S site, S(3) is bonded to one K(1), one Mg(1), one Ag(2), and one Sb(1) atom to form distorted corner-sharing SKMgAgSb tetrahedra. In the fourth S site, S(4) is bonded in a distorted see-saw-like geometry to one K(1), one Mg(1), one Ag(1), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_KMgAg2SbS4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.210
_cell_length_b   6.585
_cell_length_c   7.635
_cell_angle_alpha   91.023
_cell_angle_beta   99.421
_cell_angle_gamma   118.492
_symmetry_Int_Tables_number   1
_cell_volume   269.016
_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  0.885  0.868  0.907  1.0
  Mg  Mg1  1  0.388  0.216  0.370  1.0
  Ag  Ag2  1  0.547  0.180  0.768  1.0
  Ag  Ag3  1  0.479  0.824  0.267  1.0
  Sb  Sb4  1  0.021  0.526  0.524  1.0
  S  S5  1  0.998  0.438  0.826  1.0
  S  S6  1  0.465  0.115  0.098  1.0
  S  S7  1  0.451  0.585  0.505  1.0
  S  S8  1  0.138  0.949  0.565  1.0
[/CIF]
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The crystal structure described by KMgAg2SbS4 crystallizes in the triclinic P1 space group. K(1) is bonded in a 7-coordinate geometry to one Ag(1), one Ag(2), one S(2), one S(3), one S(4), and two equivalent S(1) atoms. Mg(1) is bonded in a 3-coordinate geometry to one S(2), one S(3), and one S(4) atom. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 3-coordinate geometry to one K(1), one S(1), one S(2), and one S(4) atom. In the second Ag site, Ag(2) is bonded in a 2-coordinate geometry to one K(1), one S(2), and one S(3) atom. Sb(1) is bonded in a 3-coordinate geometry to one S(1), one S(3), and one S(4) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded in a distorted rectangular see-saw-like geometry to two equivalent K(1), one Ag(1), and one Sb(1) atom. In the second S site, S(2) is bonded to one K(1), one Mg(1), one Ag(1), and one Ag(2) atom to form distorted corner-sharing SKMgAg2 trigonal pyramids. In the third S site, S(3) is bonded to one K(1), one Mg(1), one Ag(2), and one Sb(1) atom to form distorted corner-sharing SKMgAgSb tetrahedra. In the fourth S site, S(4) is bonded in a distorted see-saw-like geometry to one K(1), one Mg(1), one Ag(1), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_KMgAg2SbS4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.210
_cell_length_b   6.585
_cell_length_c   7.635
_cell_angle_alpha   91.023
_cell_angle_beta   99.421
_cell_angle_gamma   118.492
_symmetry_Int_Tables_number   1
_cell_volume   269.016
_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  0.885  0.868  0.907  1.0
  Mg  Mg1  1  0.388  0.216  0.370  1.0
  Ag  Ag2  1  0.547  0.180  0.768  1.0
  Ag  Ag3  1  0.479  0.824  0.267  1.0
  Sb  Sb4  1  0.021  0.526  0.524  1.0
  S  S5  1  0.998  0.438  0.826  1.0
  S  S6  1  0.465  0.115  0.098  1.0
  S  S7  1  0.451  0.585  0.505  1.0
  S  S8  1  0.138  0.949  0.565  1.0
[/CIF]
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