data_[Tb8Ho4C12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ho  1.2300  1.7500  1.0410
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [5.7370]
_cell_length_b [9.9945]
_cell_length_c [7.7530]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Tb2HoC3]
_chemical_formula_sum '[Tb8 Ho4 C12]'
_cell_volume [444.5435]
_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
[
  Tb  Tb0  8  0.0000  0.0698  0.1687  1
  Ho  Ho1  4  0.0000  0.2500  0.5144  1
  C  C2  8  0.1193  0.0000  0.5000  1
  C  C3  4  0.2500  0.2500  0.2500  1
]