data_PC2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.9
_cell_length_b   2.9
_cell_length_c   3.37
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PC2
_chemical_formula_sum   'P1 C2'
_cell_volume   24.53
_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  P2  1  0.0  0.0  0.0  1.0
  C  C0  1  0.45  0.84  0.39  1.0
  C  C1  1  0.0  0.67  0.98  1.0

data_PC2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.9
_cell_length_b   2.9
_cell_length_c   3.37
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PC2
_chemical_formula_sum   'P1 C2'
_cell_volume   24.53
_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
  C  C1  1  0.0  0.67  0.98  1.0
  C  C2  1  0.45  0.84  0.39  1.0

P C C
P C C 0 2 o - - 0 1 o - o 0 1 - - o 1 2 o o - 1 2 o o o 