data_[Y4Ag4Br4]
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 [Amm2]
_cell_length_a [14.7314]
_cell_length_b [3.7087]
_cell_length_c [6.4187]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [YAgBr]
_chemical_formula_sum '[Y4 Ag4 Br4]'
_cell_volume [350.6851]
_cell_formula_units_Z [4]
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  4  0.3543  0.0000  0.3315  1
  Ag  Ag1  2  0.0000  0.0000  0.6747  1
  Ag  Ag2  2  0.5000  0.0000  0.6648  1
  Br  Br3  4  0.2188  0.0000  0.6654  1
]