data_Li2C3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.06
_cell_length_b   4.28
_cell_length_c   5.6
_cell_angle_alpha   59.87
_cell_angle_beta   46.97
_cell_angle_gamma   73.16
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2C3
_chemical_formula_sum   'Li4 C6'
_cell_volume   76.26
_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
  Li  Li6  1  0.13  0.64  0.28  1.0
  Li  Li7  1  0.8  0.15  0.28  1.0
  Li  Li8  1  0.86  0.35  0.54  1.0
  Li  Li9  1  0.53  0.83  0.54  1.0
  C  C0  1  0.94  0.24  0.17  1.0
  C  C1  1  1.0  0.55  0.17  1.0
  C  C2  1  0.67  0.75  0.42  1.0
  C  C3  1  0.73  0.44  0.42  1.0
  C  C4  1  0.47  0.4  0.1  1.0
  C  C5  1  0.73  0.2  0.35  1.0

data_Li2C3
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.28
_cell_length_b   4.28
_cell_length_c   5.06
_cell_angle_alpha   106.84
_cell_angle_beta   106.84
_cell_angle_gamma   108.33
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2C3
_chemical_formula_sum   'Li4 C6'
_cell_volume   76.26
_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
  Li  Li0  1  0.13  0.05  0.41  1.0
  Li  Li1  1  0.53  0.9  0.07  1.0
  Li  Li2  1  0.8  0.24  0.09  1.0
  Li  Li3  1  0.86  0.75  0.4  1.0
  C  C4  1  0.47  0.96  0.57  1.0
  C  C5  1  0.67  0.84  0.09  1.0
  C  C6  1  0.73  0.59  0.15  1.0
  C  C7  1  0.73  0.28  0.08  1.0
  C  C8  1  0.94  0.35  0.11  1.0
  C  C9  1  1.0  0.72  0.17  1.0

Li Li Li Li C C C C C C
Li Li Li Li C C C C C C 0 5 - o o 0 2 - o o 0 8 o o o 1 9 o o o 1 4 o o o 2 7 o o o 3 6 o o o 5 7 o o o 6 7 o o o 7 9 o o o 