data_Ru2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.22
_cell_length_b   5.22
_cell_length_c   6.47
_cell_angle_alpha   103.78
_cell_angle_beta   103.78
_cell_angle_gamma   30.57
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ru2Pt
_chemical_formula_sum   'Ru4 Pt2'
_cell_volume   86.81
_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  Ru2  1  0.66  0.0  0.34  1.0
  Ru  Ru3  1  0.63  0.0  0.38  1.0
  Ru  Ru4  1  0.83  0.0  0.9  1.0
  Ru  Ru5  1  0.81  0.0  0.93  1.0
  Pt  Pt0  1  0.97  0.0  0.02  1.0
  Pt  Pt1  1  0.49  0.0  0.25  1.0

data_Ru2Pt
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.75
_cell_length_b   5.22
_cell_length_c   6.47
_cell_angle_alpha   103.78
_cell_angle_beta   90.0
_cell_angle_gamma   105.29
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Ru2Pt
_chemical_formula_sum   'Ru4 Pt2'
_cell_volume   86.81
_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  0.0  0.07  0.3  1.0
  Ru  Ru1  2  0.0  0.1  0.26  1.0
  Pt  Pt2  2  0.0  0.24  0.39  1.0

Ru Ru Ru Ru Pt Pt