data_[Na4Dy2Er6Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.5621]
_cell_length_b [13.0856]
_cell_length_c [7.6744]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.1117]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Dy(ErTe2)3]
_chemical_formula_sum '[Na4 Dy2 Er6 Te12]'
_cell_volume [717.5654]
_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
[
  Na  Na0  4  0.0000  0.3343  0.0000  1.0
  Dy  Dy1  2  0.0000  0.0000  0.0000  1.0
  Er  Er2  4  0.0000  0.1689  0.5000  1.0
  Er  Er3  2  0.0000  0.5000  0.5000  1.0
  Te  Te4  8  0.2500  0.1651  0.2551  1.0
  Te  Te5  4  0.2431  0.0000  0.7415  1.0
]