data_[Tb6Nd3Er3Te18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.7641]
_cell_length_b [7.7641]
_cell_length_c [21.1977]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Tb2NdErTe6]
_chemical_formula_sum '[Tb6 Nd3 Er3 Te18]'
_cell_volume [1106.6203]
_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
[
  Tb  Tb0  3  0.0000  0.0000  0.4897  1.0
  Tb  Tb1  3  0.0000  0.0000  0.9918  1.0
  Nd  Nd2  3  0.0000  0.0000  0.1796  1.0
  Er  Er3  3  0.0000  0.0000  0.6768  1.0
  Te  Te4  9  0.0105  0.6982  0.5844  1.0
  Te  Te5  9  0.0170  0.3488  0.7492  1.0
]