data_[Na4Tl12Zn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.4551]
_cell_length_b [3.5632]
_cell_length_c [11.2231]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.0355]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Tl6Zn]
_chemical_formula_sum '[Na4 Tl12 Zn2]'
_cell_volume [529.5786]
_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  0.1562  0.5000  0.2935  1.0
  Tl  Tl1  4  0.0496  0.0000  0.7613  1.0
  Tl  Tl2  4  0.1186  0.5000  0.5553  1.0
  Tl  Tl3  4  0.2261  0.0000  0.1045  1.0
  Zn  Zn4  2  0.0000  0.0000  0.0000  1.0
]