data_[Eu12Br4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.1997]
_cell_length_b [12.1949]
_cell_length_c [11.8999]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Eu3BrO4]
_chemical_formula_sum '[Eu12 Br4 O16]'
_cell_volume [609.4464]
_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
[
  Eu  Eu0  8  0.0000  0.1785  0.5997  1.0
  Eu  Eu1  4  0.0000  0.1226  0.2500  1.0
  Br  Br2  4  0.0000  0.5000  0.0000  1.0
  O  O3  8  0.0000  0.2340  0.0881  1.0
  O  O4  4  0.0000  0.0645  0.7500  1.0
  O  O5  4  0.0000  0.3028  0.7500  1.0
]