data_[K2Cu2Ag2I6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.6784]
_cell_length_b [4.3529]
_cell_length_c [10.2490]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.2879]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KCuAgI3]
_chemical_formula_sum '[K2 Cu2 Ag2 I6]'
_cell_volume [421.8928]
_cell_formula_units_Z [2]
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  2  0.1809  0.7500  0.2159  1
  Cu  Cu1  2  0.0639  0.7500  0.5691  1
  Ag  Ag2  2  0.3506  0.2500  0.8921  1
  I  I3  2  0.1212  0.7500  0.8404  1
  I  I4  2  0.2103  0.2500  0.5155  1
  I  I5  2  0.4560  0.2500  0.1791  1
]