data_SiMoW2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.13
_cell_length_b   5.13
_cell_length_c   5.13
_cell_angle_alpha   143.68
_cell_angle_beta   130.27
_cell_angle_gamma   63.12
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiMoW2
_chemical_formula_sum   'Si1 Mo1 W2'
_cell_volume   60.39
_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
  Mo  Mo0  1  0.6  0.0  0.01  1.0
  W  W2  1  0.6  0.0  0.36  1.0
  W  W3  1  0.0  0.0  0.19  1.0

data_SiMoW2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.2
_cell_length_b   4.32
_cell_length_c   5.13
_cell_angle_alpha   114.87
_cell_angle_beta   108.16
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiMoW2
_chemical_formula_sum   'Si1 Mo1 W2'
_cell_volume   60.39
_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  Si0  1  0.0  0.56  0.56  1.0
  Mo  Mo1  1  0.0  0.01  0.41  1.0
  W  W2  1  0.0  0.19  0.19  1.0
  W  W3  1  0.0  0.36  0.76  1.0

Si Mo W W