data_[Na14Sr2Tl10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [6.2011]
_cell_length_b [11.7034]
_cell_length_c [11.5138]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Na7SrTl5]
_chemical_formula_sum '[Na14 Sr2 Tl10]'
_cell_volume [835.6013]
_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  0.2899  0.4970  1.0
  Na  Na1  4  0.0000  0.3509  0.9872  1.0
  Na  Na2  2  0.0000  0.0000  0.3605  1.0
  Na  Na3  2  0.0000  0.0000  0.6757  1.0
  Na  Na4  2  0.0000  0.5000  0.2846  1.0
  Sr  Sr5  2  0.0000  0.0000  0.0393  1.0
  Tl  Tl6  8  0.2478  0.2503  0.2449  1.0
  Tl  Tl7  2  0.0000  0.5000  0.6920  1.0
]