data_[Na8Er12Te16Cl12O48]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Er  1.2400  1.7500  1.0300
  Te  2.1000  1.4000  1.2933
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [23.6056]
_cell_length_b [5.4733]
_cell_length_c [16.4600]
_cell_angle_alpha [90.0000]
_cell_angle_beta [134.0247]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Na2Er3Te4(ClO4)3]
_chemical_formula_sum '[Na8 Er12 Te16 Cl12 O48]'
_cell_volume [1529.1422]
_cell_formula_units_Z [4]
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  8  0.1658  0.2284  0.5747  1
  Er  Er1  8  0.0004  0.2476  0.5844  1
  Er  Er2  4  0.0000  0.2529  0.2500  1
  Te  Te3  8  0.1353  0.2076  0.2002  1
  Te  Te4  8  0.1378  0.2979  0.9057  1
  Cl  Cl5  8  0.2497  0.2472  0.1685  1
  Cl  Cl6  4  0.2500  0.2500  0.5000  1
  O  O7  8  0.0679  0.0758  0.2141  1
  O  O8  8  0.0708  0.4543  0.0902  1
  O  O9  8  0.0725  0.4294  0.7568  1
  O  O10  8  0.0747  0.0439  0.8881  1
  O  O11  8  0.0845  0.0167  0.5766  1
  O  O12  8  0.0860  0.4835  0.4277  1
]