data_[K4Mg2Ag4Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.9474]
_cell_length_b [7.8099]
_cell_length_c [7.7225]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.5853]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Mg(AgBr3)2]
_chemical_formula_sum '[K4 Mg2 Ag4 Br12]'
_cell_volume [724.1524]
_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  4  0.2385  0.5000  0.1857  1.0
  Mg  Mg1  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag2  4  0.0670  0.0000  0.2240  1.0
  Br  Br3  8  0.0611  0.2614  0.7940  1.0
  Br  Br4  4  0.2159  0.5000  0.5864  1.0
]