data_[Eu4Br8]
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
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [11.3771]
_cell_length_b [4.6969]
_cell_length_c [7.7718]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [EuBr2]
_chemical_formula_sum '[Eu4 Br8]'
_cell_volume [415.3029]
_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  4  0.1688  0.7500  0.8672  1.0
  Br  Br1  4  0.1087  0.2500  0.1209  1.0
  Br  Br2  4  0.1276  0.2500  0.6237  1.0
]