data_[Dy3Er36C21]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.9767]
_cell_length_b [12.9767]
_cell_length_c [8.7199]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [DyEr12C7]
_chemical_formula_sum '[Dy3 Er36 C21]'
_cell_volume [1271.6514]
_cell_formula_units_Z [3]
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
[
  Dy  Dy0  3  0.0000  0.0000  0.0000  1
  Er  Er1  18  0.0327  0.5883  0.6584  1
  Er  Er2  18  0.0488  0.1662  0.3258  1
  C  C3  18  0.0547  0.1844  0.8287  1
  C  C4  3  0.0000  0.0000  0.5000  1
]