data_[Na10Sr2Tl14]
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 [6.4331]
_cell_length_b [11.0265]
_cell_length_c [11.0607]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Na5SrTl7]
_chemical_formula_sum '[Na10 Sr2 Tl14]'
_cell_volume [784.5800]
_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  8  0.2462  0.2523  0.2505  1.0
  Na  Na1  2  0.0000  0.5000  0.7278  1.0
  Sr  Sr2  2  0.0000  0.0000  0.9855  1.0
  Tl  Tl3  4  0.0000  0.2981  0.5042  1.0
  Tl  Tl4  4  0.0000  0.3516  0.9998  1.0
  Tl  Tl5  2  0.0000  0.0000  0.3567  1.0
  Tl  Tl6  2  0.0000  0.0000  0.6421  1.0
  Tl  Tl7  2  0.0000  0.5000  0.2779  1.0
]