data_[K4Er2Ag2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.3104]
_cell_length_b [7.6684]
_cell_length_c [12.5381]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.0334]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2ErAgCl6]
_chemical_formula_sum '[K4 Er2 Ag2 Cl12]'
_cell_volume [575.5233]
_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  0.2721  0.0711  0.2507  1.0
  Er  Er1  2  0.0000  0.0000  0.5000  1.0
  Ag  Ag2  2  0.5000  0.0000  0.0000  1.0
  Cl  Cl3  4  0.1498  0.0257  0.7471  1.0
  Cl  Cl4  4  0.2345  0.7133  0.5493  1.0
  Cl  Cl5  4  0.3400  0.1890  0.5482  1.0
]