data_[Tb2Er4Cr4C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Cr  1.6600  1.4000  0.9400
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.0406]
_cell_length_b [3.3933]
_cell_length_c [5.9541]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.0660]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbEr2(CrC2)2]
_chemical_formula_sum '[Tb2 Er4 Cr4 C8]'
_cell_volume [245.8645]
_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
[
  Tb  Tb0  2  0.0000  0.0000  0.0000  1
  Er  Er1  4  0.1353  0.0000  0.5438  1
  Cr  Cr2  4  0.1790  0.5000  0.9840  1
  C  C3  4  0.0406  0.5000  0.7429  1
  C  C4  4  0.2170  0.0000  0.1929  1
]