data_SiOsW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.4
_cell_length_b   5.4
_cell_length_c   5.4
_cell_angle_alpha   148.77
_cell_angle_beta   148.77
_cell_angle_gamma   44.75
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiOsW
_chemical_formula_sum   'Si1 Os1 W1'
_cell_volume   42.17
_cell_formula_units_Z   1
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  Si1  1  0.0  0.0  0.56  1.0
  Os  Os0  1  0.0  0.0  0.15  1.0
  W  W2  1  0.0  0.0  0.27  1.0

data_SiOsW
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.11
_cell_length_b   4.11
_cell_length_c   5.4
_cell_angle_alpha   90.0
_cell_angle_beta   112.38
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   SiOsW
_chemical_formula_sum   'Si2 Os2 W2'
_cell_volume   84.34
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  0.06  0.5  0.56  1.0
  Os  Os1  2  0.15  0.0  0.15  1.0
  W  W2  2  0.27  0.0  0.27  1.0

Si Os W