data_SiRuPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.38
_cell_length_b   6.14
_cell_length_c   2.82
_cell_angle_alpha   81.8
_cell_angle_beta   72.29
_cell_angle_gamma   25.91
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiRuPt
_chemical_formula_sum   'Si1 Ru1 Pt1'
_cell_volume   43.69
_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  Si2  1  0.57  0.34  0.92  1.0
  Ru  Ru1  1  0.57  0.34  0.16  1.0
  Pt  Pt0  1  0.57  0.34  0.69  1.0

data_SiRuPt
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.14
_cell_length_b   11.88
_cell_length_c   2.82
_cell_angle_alpha   90.0
_cell_angle_beta   123.89
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   SiRuPt
_chemical_formula_sum   'Si2 Ru2 Pt2'
_cell_volume   87.37
_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  0.42  0.5  0.49  1.0
  Ru  Ru1  2  0.16  0.0  0.73  1.0
  Pt  Pt2  2  0.19  0.5  0.26  1.0

Si Ru Pt
Si Ru Pt 0 2 o o o 0 1 o o + 