data_[Sr2W2Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  W  2.3600  1.3500  0.7667
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.9306]
_cell_length_b [8.9632]
_cell_length_c [3.6980]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.9566]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SrWCl2]
_chemical_formula_sum '[Sr2 W2 Cl4]'
_cell_volume [196.9981]
_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
[
  Sr  Sr0  2  0.0000  0.5000  0.0000  1
  W  W1  2  0.0000  0.0000  0.0000  1
  Cl  Cl2  4  0.2500  0.2500  0.0000  1
]