data_[Gd4Si8W8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Si  1.9000  1.1000  0.5400
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [4.2751]
_cell_length_b [4.2818]
_cell_length_c [20.5206]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Gd(SiW)2]
_chemical_formula_sum '[Gd4 Si8 W8]'
_cell_volume [375.6304]
_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
[
  Gd  Gd0  4  0.0000  0.2500  0.1649  1
  Si  Si1  4  0.0000  0.2500  0.6084  1
  Si  Si2  4  0.0000  0.2500  0.7250  1
  W  W3  4  0.0000  0.2500  0.4609  1
  W  W4  4  0.0000  0.2500  0.9611  1
]