data_P2C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.79
_cell_length_b   2.79
_cell_length_c   11.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   P2C
_chemical_formula_sum   'P4 C2'
_cell_volume   75.81
_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  P2  1  0.0  0.0  0.53  1.0
  P  P3  1  0.0  0.0  0.15  1.0
  P  P4  1  0.0  0.0  0.71  1.0
  P  P5  1  0.0  0.0  0.09  1.0
  C  C0  1  0.0  0.61  0.81  1.0
  C  C1  1  0.4  0.81  0.43  1.0

data_P2C
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.79
_cell_length_b   2.79
_cell_length_c   11.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   P2C
_chemical_formula_sum   'P4 C2'
_cell_volume   75.81
_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  P0  1  0.0  0.0  0.09  1.0
  P  P1  1  0.0  0.0  0.15  1.0
  P  P2  1  0.0  0.0  0.53  1.0
  P  P3  1  0.0  0.0  0.71  1.0
  C  C4  1  -0.0  0.61  0.81  1.0
  C  C5  1  0.4  0.81  0.43  1.0

P P P P C C