data_PC2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.33
_cell_length_b   3.33
_cell_length_c   5.4
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PC2
_chemical_formula_sum   'P2 C4'
_cell_volume   59.95
_cell_formula_units_Z   2
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  P4  1  0.67  0.0  0.54  1.0
  P  P5  1  0.0  0.67  0.86  1.0
  C  C0  1  0.0  0.0  0.0  1.0
  C  C1  1  0.67  0.67  0.0  1.0
  C  C2  1  0.67  0.0  0.76  1.0
  C  C3  1  0.0  0.67  0.65  1.0

data_PC2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.71
_cell_length_b   4.71
_cell_length_c   5.4
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   PC2
_chemical_formula_sum   'P4 C8'
_cell_volume   119.9
_cell_formula_units_Z   4
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  0.86  1.0
  P  P1  2  0.17  0.5  0.54  1.0
  C  C2  4  0.33  0.33  0.0  1.0
  C  C3  2  0.0  0.0  0.65  1.0
  C  C4  2  0.17  0.5  0.76  1.0

P P C C C C