data_[Ce2Si4W8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Si  1.9000  1.1000  0.5400
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.3700]
_cell_length_b [15.9831]
_cell_length_c [3.4715]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Ce(SiW2)2]
_chemical_formula_sum '[Ce2 Si4 W8]'
_cell_volume [242.4722]
_cell_formula_units_Z [2]
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
[
  Ce  Ce0  2  0.0000  0.0000  0.0000  1.0
  Si  Si1  4  0.0000  0.4244  0.5000  1.0
  W  W2  4  0.0000  0.1736  0.5000  1.0
  W  W3  4  0.0000  0.3108  0.0000  1.0
]