data_[Eu4I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [12.3881]
_cell_length_b [4.9186]
_cell_length_c [8.4013]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [EuI2]
_chemical_formula_sum '[Eu4 I8]'
_cell_volume [511.9096]
_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  0.1709  0.2500  0.1266  1.0
  I  I1  4  0.1065  0.7500  0.8724  1.0
  I  I2  4  0.1248  0.7500  0.3761  1.0
]