data_[Na2Nd6Er4Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [C2/m]
_cell_length_a [19.4772]
_cell_length_b [4.4004]
_cell_length_c [8.9351]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1109]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NaNd3(ErTe3)2]
_chemical_formula_sum '[Na2 Nd6 Er4 Te12]'
_cell_volume [742.6955]
_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  2  0.0000  0.5000  0.0000  1.0
  Nd  Nd1  4  0.1594  0.0000  0.8212  1.0
  Nd  Nd2  2  0.0000  0.5000  0.5000  1.0
  Er  Er3  4  0.1650  0.0000  0.3372  1.0
  Te  Te4  4  0.0063  0.0000  0.2462  1.0
  Te  Te5  4  0.1690  0.5000  0.0924  1.0
  Te  Te6  4  0.1703  0.5000  0.5745  1.0
]