data_[Be4Ru4W8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Ru  2.2000  1.3000  0.6610
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [6.0992]
_cell_length_b [6.0992]
_cell_length_c [6.0992]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [BeRuW2]
_chemical_formula_sum '[Be4 Ru4 W8]'
_cell_volume [226.8933]
_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
[
  Be  Be0  4  0.0000  0.0000  0.5000  1
  Ru  Ru1  4  0.2500  0.2500  0.7500  1
  W  W2  4  0.0000  0.0000  0.0000  1
  W  W3  4  0.2500  0.2500  0.2500  1
]