data_[Si2Ag4W2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.2691]
_cell_length_b [4.5075]
_cell_length_c [8.9291]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [SiAg2W]
_chemical_formula_sum '[Si2 Ag4 W2]'
_cell_volume [131.5764]
_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
[
  Si  Si0  2  0.0000  0.0000  0.5123  1
  Ag  Ag1  2  0.0000  0.0000  0.9947  1
  Ag  Ag2  2  0.0000  0.5000  0.2629  1
  W  W3  2  0.0000  0.5000  0.7301  1
]