data_P3Pt2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.84
_cell_length_b   7.84
_cell_length_c   7.84
_cell_angle_alpha   25.35
_cell_angle_beta   25.35
_cell_angle_gamma   25.35
_symmetry_Int_Tables_number   1
_chemical_formula_structural   P3Pt2
_chemical_formula_sum   'P3 Pt2'
_cell_volume   77.63
_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
  P  P0  1  0.0  0.0  0.0  1.0
  P  P1  1  0.0  0.0  0.17  1.0
  P  P2  1  0.0  0.0  0.57  1.0
  Pt  Pt3  1  0.0  0.0  0.16  1.0
  Pt  Pt4  1  0.0  0.0  0.58  1.0

data_P3Pt2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.96
_cell_length_b   3.44
_cell_length_c   7.84
_cell_angle_alpha   90.0
_cell_angle_beta   104.68
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   P3Pt2
_chemical_formula_sum   'P6 Pt4'
_cell_volume   155.26
_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
  P  P0  2  0.0  0.0  0.0  1.0
  P  P1  2  0.0  0.0  0.43  1.0
  P  P2  2  0.0  0.0  0.83  1.0
  Pt  Pt3  2  0.0  0.0  0.42  1.0
  Pt  Pt4  2  0.0  0.0  0.84  1.0

P P P Pt Pt