data_[K8Ag4Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.2498]
_cell_length_b [5.1141]
_cell_length_c [12.1071]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.8682]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2AgSb2]
_chemical_formula_sum '[K8 Ag4 Sb8]'
_cell_volume [657.7223]
_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
[
  K  K0  4  0.0866  0.0000  0.8895  1.0
  K  K1  4  0.1788  0.5000  0.6822  1.0
  Ag  Ag2  4  0.1339  0.5000  0.3580  1.0
  Sb  Sb3  4  0.0889  0.0000  0.4519  1.0
  Sb  Sb4  4  0.1189  0.5000  0.1131  1.0
]