data_[K1Y2Ag1Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Y  1.2200  1.8000  1.0400
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.9976]
_cell_length_b [8.5915]
_cell_length_c [7.2306]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.8269]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [KY2AgBr8]
_chemical_formula_sum '[K1 Y2 Ag1 Br8]'
_cell_volume [431.6217]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.0000  1
  Y  Y1  2  0.5000  0.2425  0.5000  1
  Ag  Ag2  1  0.0000  0.0000  0.0000  1
  Br  Br3  4  0.2622  0.2250  0.1653  1
  Br  Br4  2  0.2760  0.0000  0.6348  1
  Br  Br5  2  0.2864  0.5000  0.6286  1
]