data_LiC
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.57
_cell_length_b   3.11
_cell_length_c   5.58
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LiC
_chemical_formula_sum   'Li2 C2'
_cell_volume   44.6
_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  Li2  1  0.64  0.0  0.13  1.0
  Li  Li3  1  0.93  0.0  0.45  1.0
  C  C0  1  0.64  0.55  0.51  1.0
  C  C1  1  0.93  0.55  0.07  1.0

data_LiC
_symmetry_space_group_name_H-M   P2
_cell_length_a   2.57
_cell_length_b   3.11
_cell_length_c   5.58
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   3
_chemical_formula_structural   LiC
_chemical_formula_sum   'Li2 C2'
_cell_volume   44.6
_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
  Li  Li0  2  0.36  0.0  0.84  1.0
  C  C1  2  0.36  0.55  0.22  1.0

Li Li C C
Li Li C C 0 3 o - o 0 3 o o o 0 1 o o o 1 2 o - o 1 2 o o o 