data_[Ru6W6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ru  2.2000  1.3000  0.6610
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [2.9147]
_cell_length_b [13.3568]
_cell_length_c [4.6895]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [RuW]
_chemical_formula_sum '[Ru6 W6]'
_cell_volume [182.5670]
_cell_formula_units_Z [6]
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
[
  Ru  Ru0  4  0.5000  0.1747  0.8678  1
  Ru  Ru1  2  0.0000  0.0000  0.0167  1
  W  W2  4  0.0000  0.1597  0.3603  1
  W  W3  2  0.5000  0.0000  0.5291  1
]