data_[As2W2Se2]
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
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.4302]
_cell_length_b [19.1553]
_cell_length_c [5.6329]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [AsWSe]
_chemical_formula_sum '[As2 W2 Se2]'
_cell_volume [370.1154]
_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  0.4247  0.2277  1
  W  W1  2  0.5000  0.4935  0.9518  1
  Se  Se2  2  0.5000  0.3915  0.6950  1
]