data_[Eu10Se4Br6O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Se  2.5500  1.1500  1.0133
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.7511]
_cell_length_b [5.3087]
_cell_length_c [10.3015]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.6991]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Eu5Se2Br3O10]
_chemical_formula_sum '[Eu10 Se4 Br6 O20]'
_cell_volume [696.5530]
_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
[
  Eu  Eu0  4  0.1222  0.5000  0.7497  1
  Eu  Eu1  4  0.1916  0.5000  0.3570  1
  Eu  Eu2  2  0.0000  0.0000  0.5000  1
  Se  Se3  4  0.0651  0.0000  0.2010  1
  Br  Br4  4  0.1813  0.0000  0.8911  1
  Br  Br5  2  0.0000  0.5000  0.0000  1
  O  O6  8  0.0294  0.2450  0.3010  1
  O  O7  8  0.1631  0.2703  0.5524  1
  O  O8  4  0.1965  0.0000  0.2419  1
]