data_[Yb6Cu4Br4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Cu  1.9000  1.3500  0.8200
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.8316]
_cell_length_b [3.8316]
_cell_length_c [24.1765]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Yb3Cu2(BrO2)2]
_chemical_formula_sum '[Yb6 Cu4 Br4 O8]'
_cell_volume [354.9477]
_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
[
  Yb  Yb0  4  0.0000  0.0000  0.3744  1.0
  Yb  Yb1  2  0.0000  0.0000  0.5000  1.0
  Cu  Cu2  4  0.0000  0.0000  0.0619  1.0
  Br  Br3  4  0.0000  0.0000  0.1847  1.0
  O  O4  8  0.0000  0.5000  0.0644  1.0
]