data_[Eu8Fe4Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [10.5324]
_cell_length_b [5.0457]
_cell_length_c [7.9616]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Eu2FeSi2]
_chemical_formula_sum '[Eu8 Fe4 Si8]'
_cell_volume [423.1057]
_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  8  0.1584  0.4968  0.2500  1
  Fe  Fe1  4  0.0000  0.0053  0.7500  1
  Si  Si2  8  0.1123  0.0000  0.0000  1
]