data_RuPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.72
_cell_length_b   2.72
_cell_length_c   7.92
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   91.48
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RuPt
_chemical_formula_sum   'Ru2 Pt2'
_cell_volume   58.77
_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  0.9  0.02  0.07  1.0
  Ru  Ru3  1  0.9  0.98  0.85  1.0
  Pt  Pt0  1  0.9  0.02  0.86  1.0
  Pt  Pt1  1  0.9  0.98  0.06  1.0

data_RuPt
_symmetry_space_group_name_H-M   P2/m
_cell_length_a   2.72
_cell_length_b   2.72
_cell_length_c   7.92
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   10
_chemical_formula_structural   RuPt
_chemical_formula_sum   'Ru2 Pt2'
_cell_volume   58.79
_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, y, -z'
  4  '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  0.02  0.0  0.61  1.0
  Pt  Pt1  2  0.02  0.0  0.4  1.0

Ru Ru Pt Pt