data_[Tb4Y2Er12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.3140]
_cell_length_b [3.5291]
_cell_length_c [8.6265]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0286]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2YEr6]
_chemical_formula_sum '[Tb4 Y2 Er12]'
_cell_volume [557.5573]
_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  4  0.0560  0.5000  0.3346  1
  Y  Y1  2  0.0000  0.0000  0.0000  1
  Er  Er2  4  0.1121  0.0000  0.6674  1
  Er  Er3  4  0.1676  0.5000  0.0002  1
  Er  Er4  4  0.2225  0.0000  0.3331  1
]