data_RbC2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.88
_cell_length_b   5.88
_cell_length_c   6.67
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RbC2
_chemical_formula_sum   'Rb4 C8'
_cell_volume   199.88
_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  Rb8  1  0.94  0.7  0.42  1.0
  Rb  Rb9  1  0.0  0.4  0.09  1.0
  Rb  Rb10  1  0.0  0.4  0.25  1.0
  Rb  Rb11  1  0.94  0.7  0.59  1.0
  C  C0  1  0.0  0.0  0.34  1.0
  C  C1  1  0.0  0.0  0.0  1.0
  C  C2  1  0.17  0.65  0.0  1.0
  C  C3  1  0.77  0.44  0.67  1.0
  C  C4  1  0.83  0.65  0.0  1.0
  C  C5  1  0.0  0.89  0.0  1.0
  C  C6  1  0.94  0.2  0.67  1.0
  C  C7  1  0.11  0.44  0.67  1.0

data_RbC2
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.88
_cell_length_b   5.88
_cell_length_c   6.67
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RbC2
_chemical_formula_sum   'Rb4 C8'
_cell_volume   199.88
_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  Rb0  1  0.0  0.4  0.09  1.0
  Rb  Rb1  1  0.0  0.4  0.25  1.0
  Rb  Rb2  1  0.94  0.7  0.42  1.0
  Rb  Rb3  1  0.94  0.7  0.59  1.0
  C  C4  1  0.0  0.0  0.0  1.0
  C  C5  1  0.0  0.0  0.34  1.0
  C  C6  1  0.0  0.89  0.0  1.0
  C  C7  1  0.11  0.44  0.67  1.0
  C  C8  1  0.17  0.65  0.0  1.0
  C  C9  1  0.77  0.44  0.67  1.0
  C  C10  1  0.83  0.65  0.0  1.0
  C  C11  1  0.94  0.2  0.67  1.0

Rb Rb Rb Rb C C C C C C C C