data_SiW2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.9
_cell_length_b   4.9
_cell_length_c   4.9
_cell_angle_alpha   104.66
_cell_angle_beta   104.66
_cell_angle_gamma   119.58
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiW2
_chemical_formula_sum   'Si2 W4'
_cell_volume   88.24
_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  1  0.0  0.0  0.7  1.0
  Si  Si1  1  0.0  0.0  0.23  1.0
  W  W2  1  0.95  0.04  0.0  1.0
  W  W3  1  0.04  0.95  0.46  1.0
  W  W4  1  0.95  0.95  0.0  1.0
  W  W5  1  0.05  0.04  0.46  1.0

data_SiW2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.9
_cell_length_b   4.9
_cell_length_c   4.9
_cell_angle_alpha   104.66
_cell_angle_beta   104.66
_cell_angle_gamma   119.58
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiW2
_chemical_formula_sum   'Si2 W4'
_cell_volume   88.24
_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  1  0.0  0.0  0.23  1.0
  Si  Si1  1  0.0  0.0  0.7  1.0
  W  W2  1  0.04  0.95  0.46  1.0
  W  W3  1  0.05  0.04  0.46  1.0
  W  W4  1  0.95  0.95  0.0  1.0
  W  W5  1  0.95  0.04  0.0  1.0

Si Si W W W W
Si Si W W W W 0 3 o - o 0 5 o o o 1 4 - - o 1 2 - o o 1 3 o - o 1 5 o o o 2 4 o - o 3 5 o + o 