data_[As4W2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  As  2.1800  1.1500  0.6600
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [2.7821]
_cell_length_b [7.5475]
_cell_length_c [21.7422]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [As2W]
_chemical_formula_sum '[As4 W2]'
_cell_volume [456.5344]
_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
[
  As  As0  2  0.0000  0.0000  0.5000  1
  As  As1  2  0.0599  0.7500  0.6550  1
  W  W2  2  0.3420  0.2500  0.4450  1
]