data_P3C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.69
_cell_length_b   6.69
_cell_length_c   3.42
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   P3C
_chemical_formula_sum   'P6 C2'
_cell_volume   132.71
_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  0.45  0.3  0.86  1.0
  P  P3  1  0.24  0.3  0.86  1.0
  P  P4  1  0.34  0.2  0.86  1.0
  P  P5  1  0.9  0.5  0.57  1.0
  P  P6  1  0.1  0.5  0.57  1.0
  P  P7  1  0.0  0.59  0.57  1.0
  C  C0  1  0.34  0.93  0.57  1.0
  C  C1  1  0.0  0.86  0.86  1.0

data_P3C
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.42
_cell_length_b   6.69
_cell_length_c   6.69
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   P3C
_chemical_formula_sum   'P6 C2'
_cell_volume   132.71
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.36  0.73  0.1  1.0
  P  P1  2  0.36  0.83  0.19  1.0
  P  P2  2  0.36  0.93  0.1  1.0
  C  C3  2  0.36  0.17  0.53  1.0

P P P P P P C C
P P P P P P C C 0 2 o o o 0 1 o o o 0 6 o - o 1 2 o o o 1 7 o - o 2 6 o - o 2 7 o - o 3 5 + o o 3 4 + o o 3 7 + o o 4 5 o o o 4 6 o o o 5 6 o o o 5 7 o o o 6 7 o o o 