data_[K2Ag2Br4]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [14.6493]
_cell_length_b [4.3552]
_cell_length_c [4.6349]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.1243]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [KAgBr2]
_chemical_formula_sum '[K2 Ag2 Br4]'
_cell_volume [294.5300]
_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  0.0298  0.5000  0.4504  1.0
  Ag  Ag1  2  0.2981  0.5000  0.6606  1.0
  Br  Br2  2  0.2108  0.0000  0.4578  1.0
  Br  Br3  2  0.4614  0.5000  0.9312  1.0
]