data_[Ba4Eu4I16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Eu  1.2000  1.8500  1.1985
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [10.2240]
_cell_length_b [11.2575]
_cell_length_c [11.1987]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [BaEuI4]
_chemical_formula_sum '[Ba4 Eu4 I16]'
_cell_volume [1288.9262]
_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
[
  Ba  Ba0  4  0.0000  0.2500  0.7298  1.0
  Eu  Eu1  4  0.2500  0.2500  0.2500  1.0
  I  I2  8  0.0000  0.0624  0.2658  1.0
  I  I3  8  0.2315  0.2500  0.9572  1.0
]