data_[Y2Ag2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [C2/m]
_cell_length_a [15.6259]
_cell_length_b [4.1487]
_cell_length_c [7.3843]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.7140]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [YAgBr4]
_chemical_formula_sum '[Y2 Ag2 Br8]'
_cell_volume [427.6060]
_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
[
  Y  Y0  2  0.0000  0.0000  0.0000  1
  Ag  Ag1  2  0.0000  0.5000  0.5000  1
  Br  Br2  4  0.1027  0.0000  0.4224  1
  Br  Br3  4  0.1218  0.5000  0.9857  1
]