data_LuC
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.07
_cell_length_b   3.07
_cell_length_c   3.74
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LuC
_chemical_formula_sum   'Lu1 C1'
_cell_volume   30.6
_cell_formula_units_Z   1
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
  Lu  Lu1  1  0.54  0.89  0.87  1.0
  C  C0  1  0.0  0.0  0.0  1.0

data_LuC
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.07
_cell_length_b   3.07
_cell_length_c   3.74
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LuC
_chemical_formula_sum   'Lu1 C1'
_cell_volume   30.6
_cell_formula_units_Z   1
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
  Lu  Lu0  1  0.54  0.89  0.87  1.0
  C  C1  1  0.0  0.0  0.0  1.0

Lu C
Lu C 0 1 + + + 