data_[La16Tl4Si4N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tl  1.6200  1.9000  1.3325
  Si  1.9000  1.1000  0.5400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.9331]
_cell_length_b [16.8824]
_cell_length_c [6.9660]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [La4TlSiN]
_chemical_formula_sum '[La16 Tl4 Si4 N4]'
_cell_volume [815.3424]
_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
[
  La  La0  8  0.2500  0.2500  0.0000  1
  La  La1  4  0.0000  0.0634  0.2500  1
  La  La2  4  0.0000  0.4158  0.2500  1
  Tl  Tl3  4  0.0000  0.3907  0.7500  1
  Si  Si4  4  0.0000  0.1163  0.7500  1
  N  N5  4  0.0000  0.2731  0.2500  1
]