data_RuW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.34
_cell_length_b   5.34
_cell_length_c   4.26
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   149.57
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RuW
_chemical_formula_sum   'Ru2 W2'
_cell_volume   61.51
_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
  Ru  Ru0  1  0.4  0.55  0.2  1.0
  Ru  Ru1  1  0.4  0.45  0.07  1.0
  W  W2  1  0.4  0.21  0.2  1.0
  W  W3  1  0.4  0.79  0.07  1.0

data_RuW
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.8
_cell_length_b   4.26
_cell_length_c   5.34
_cell_angle_alpha   90.0
_cell_angle_beta   105.21
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   RuW
_chemical_formula_sum   'Ru2 W2'
_cell_volume   61.51
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Ru  Ru0  2  0.45  0.57  0.95  1.0
  W  W1  2  0.21  0.43  0.71  1.0

Ru Ru W W
Ru Ru W W 0 1 o o o 0 3 o o o 1 2 o o o 