data_[Eu1Bi2Br1O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Bi  2.0200  1.6000  1.0350
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.9422]
_cell_length_b [3.9422]
_cell_length_c [9.4022]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [EuBi2BrO4]
_chemical_formula_sum '[Eu1 Bi2 Br1 O4]'
_cell_volume [146.1175]
_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
[
  Eu  Eu0  1  0.0000  0.0000  0.0000  1.0
  Bi  Bi1  2  0.5000  0.5000  0.2704  1.0
  Br  Br2  1  0.0000  0.0000  0.5000  1.0
  O  O3  4  0.0000  0.5000  0.1540  1.0
]