data_[Fe4W8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Fe  1.8300  1.4000  0.8525
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [5.9596]
_cell_length_b [5.9596]
_cell_length_c [4.8628]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [FeW2]
_chemical_formula_sum '[Fe4 W8]'
_cell_volume [172.7081]
_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
[
  Fe  Fe0  4  0.0000  0.0000  0.2500  1.0
  W  W1  8  0.1602  0.3398  0.0000  1.0
]