data_Si2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.98
_cell_length_b   3.52
_cell_length_c   7.68
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2Pt
_chemical_formula_sum   'Si8 Pt4'
_cell_volume   188.41
_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  0.01  0.88  0.19  1.0
  Si  Si5  1  0.48  0.64  0.03  1.0
  Si  Si6  1  0.5  0.88  0.65  1.0
  Si  Si7  1  0.97  0.64  0.49  1.0
  Si  Si8  1  0.72  0.88  0.8  1.0
  Si  Si9  1  0.78  0.64  0.96  1.0
  Si  Si10  1  0.21  0.88  0.72  1.0
  Si  Si11  1  0.27  0.64  0.88  1.0
  Pt  Pt0  1  0.21  0.88  0.36  1.0
  Pt  Pt1  1  0.27  0.64  0.53  1.0
  Pt  Pt2  1  0.72  0.88  0.15  1.0
  Pt  Pt3  1  0.77  0.64  0.31  1.0

data_Si2Pt
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.52
_cell_length_b   6.98
_cell_length_c   7.68
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Si2Pt
_chemical_formula_sum   'Si8 Pt4'
_cell_volume   188.41
_cell_formula_units_Z   4
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
  Si  Si0  2  0.12  0.22  0.88  1.0
  Si  Si1  2  0.12  0.51  0.81  1.0
  Si  Si2  2  0.12  0.02  0.35  1.0
  Si  Si3  2  0.12  0.72  0.96  1.0
  Pt  Pt4  2  0.12  0.73  0.31  1.0
  Pt  Pt5  2  0.12  0.22  0.53  1.0

Si Si Si Si Si Si Si Si Pt Pt Pt Pt