data_P3Pb4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.48
_cell_length_b   12.48
_cell_length_c   12.48
_cell_angle_alpha   161.4
_cell_angle_beta   161.4
_cell_angle_gamma   26.42
_symmetry_Int_Tables_number   1
_chemical_formula_structural   P3Pb4
_chemical_formula_sum   'P3 Pb4'
_cell_volume   197.6
_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  0.59  1.0
  P  P2  1  0.0  0.0  0.71  1.0
  Pb  Pb3  1  0.0  0.0  0.48  1.0
  Pb  Pb4  1  0.0  0.0  0.82  1.0
  Pb  Pb5  1  0.0  0.0  0.69  1.0
  Pb  Pb6  1  0.0  0.0  0.6  1.0

data_P3Pb4
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.7
_cell_length_b   5.7
_cell_length_c   12.48
_cell_angle_alpha   90.0
_cell_angle_beta   103.21
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   P3Pb4
_chemical_formula_sum   'P6 Pb8'
_cell_volume   395.21
_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  0.29  1.0
  P  P2  2  0.0  0.0  0.41  1.0
  Pb  Pb3  2  0.0  0.0  0.18  1.0
  Pb  Pb4  2  0.0  0.0  0.31  1.0
  Pb  Pb5  2  0.0  0.0  0.4  1.0
  Pb  Pb6  2  0.0  0.0  0.52  1.0

P P P Pb Pb Pb Pb