data_[K2Mg2Ag2Cl8]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6713]
_cell_length_b [7.2735]
_cell_length_c [8.4885]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.8948]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KMgAgCl4]
_chemical_formula_sum '[K2 Mg2 Ag2 Cl8]'
_cell_volume [399.8400]
_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  0.2418  0.2500  0.0542  1
  Mg  Mg1  2  0.2480  0.7500  0.3229  1
  Ag  Ag2  2  0.1694  0.2500  0.5307  1
  Cl  Cl3  4  0.0040  0.0102  0.7166  1
  Cl  Cl4  2  0.3762  0.7500  0.0926  1
  Cl  Cl5  2  0.4935  0.7500  0.5707  1
]