data_RbC3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.46
_cell_length_b   3.01
_cell_length_c   8.21
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RbC3
_chemical_formula_sum   'Rb4 C12'
_cell_volume   258.34
_cell_formula_units_Z   4
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
  Rb  Rb12  1  0.47  0.26  0.29  1.0
  Rb  Rb13  1  0.23  0.75  0.19  1.0
  Rb  Rb14  1  0.24  0.26  0.02  1.0
  Rb  Rb15  1  0.99  0.75  0.91  1.0
  C  C0  1  0.27  0.26  0.53  1.0
  C  C1  1  0.42  0.75  0.63  1.0
  C  C2  1  0.04  0.26  0.57  1.0
  C  C3  1  0.19  0.75  0.68  1.0
  C  C4  1  0.96  0.99  0.77  1.0
  C  C5  1  0.27  0.02  0.66  1.0
  C  C6  1  0.19  0.52  0.54  1.0
  C  C7  1  0.5  0.49  0.44  1.0
  C  C8  1  0.5  0.02  0.44  1.0
  C  C9  1  0.19  0.99  0.54  1.0
  C  C10  1  0.27  0.49  0.66  1.0
  C  C11  1  0.96  0.52  0.77  1.0

data_RbC3
_symmetry_space_group_name_H-M   P2_1/m
_cell_length_a   8.21
_cell_length_b   3.01
_cell_length_c   10.46
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   11
_chemical_formula_structural   RbC3
_chemical_formula_sum   'Rb4 C12'
_cell_volume   258.34
_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, y+1/2, -z'
  4  'x, -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
  Rb  Rb0  2  0.09  0.25  0.99  1.0
  Rb  Rb1  2  0.19  0.75  0.24  1.0
  C  C2  4  0.34  0.51  0.27  1.0
  C  C3  4  0.44  0.02  0.96  1.0
  C  C4  2  0.43  0.75  0.04  1.0
  C  C5  2  0.47  0.75  0.81  1.0

Rb Rb Rb Rb C C C C C C C C C C C C
Rb Rb Rb Rb C C C C C C C C C C C C 0 12 o o o 0 11 o o o 1 2 o o o 1 2 o + o 3 15 o o o 3 8 o o o 4 13 o - o 4 10 o o o 4 9 o o o 4 14 o o o 5 14 o o o 5 9 o + o 5 11 o o o 5 12 o + o 6 8 - - o 6 15 - o o 6 13 o - o 6 10 o o o 7 10 o o o 7 13 o o o 7 14 o o o 7 9 o + o 8 15 o o o 8 15 o + o 9 13 o - o 9 14 o o o 10 14 o o o 10 13 o o o 11 12 o o o 11 12 o + o 