data_SiPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.21
_cell_length_b   4.21
_cell_length_c   8.04
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiPt
_chemical_formula_sum   'Si4 Pt4'
_cell_volume   123.77
_cell_formula_units_Z   4
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  Si4  1  0.0  0.0  0.01  1.0
  Si  Si5  1  0.0  0.0  0.03  1.0
  Si  Si6  1  0.11  0.22  0.03  1.0
  Si  Si7  1  0.0  0.43  0.01  1.0
  Pt  Pt0  1  0.11  0.22  0.65  1.0
  Pt  Pt1  1  0.0  0.43  0.67  1.0
  Pt  Pt2  1  0.0  0.43  0.39  1.0
  Pt  Pt3  1  0.11  0.22  0.37  1.0

data_SiPt
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.21
_cell_length_b   4.21
_cell_length_c   8.04
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiPt
_chemical_formula_sum   'Si4 Pt4'
_cell_volume   123.77
_cell_formula_units_Z   4
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  0.43  0.01  1.0
  Si  Si1  1  0.0  0.0  0.01  1.0
  Si  Si2  1  0.0  0.0  0.03  1.0
  Si  Si3  1  0.11  0.22  0.03  1.0
  Pt  Pt4  1  -0.0  0.43  0.39  1.0
  Pt  Pt5  1  -0.0  0.43  0.67  1.0
  Pt  Pt6  1  0.11  0.22  0.37  1.0
  Pt  Pt7  1  0.11  0.22  0.65  1.0

Si Si Si Si Pt Pt Pt Pt