data_[Na6Er4Pu2Te12]
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
  Pu  1.2800  1.7500  0.9675
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.6904]
_cell_length_b [13.3222]
_cell_length_c [7.9513]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8188]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Er2PuTe6]
_chemical_formula_sum '[Na6 Er4 Pu2 Te12]'
_cell_volume [771.0795]
_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  0.1646  0.5000  1
  Na  Na1  2  0.0000  0.5000  0.5000  1
  Er  Er2  4  0.0000  0.3331  0.0000  1
  Pu  Pu3  2  0.0000  0.0000  0.0000  1
  Te  Te4  8  0.2472  0.1698  0.2318  1
  Te  Te5  4  0.2375  0.5000  0.2315  1
]