data_[Zr2Tl1Si1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Tl  1.6200  1.9000  1.3325
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.8342]
_cell_length_b [3.8342]
_cell_length_c [5.8847]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [Zr2TlSi]
_chemical_formula_sum '[Zr2 Tl1 Si1]'
_cell_volume [86.5120]
_cell_formula_units_Z [1]
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
[
  Zr  Zr0  1  0.0000  0.0000  0.0053  1
  Zr  Zr1  1  0.5000  0.5000  0.2695  1
  Tl  Tl2  1  0.5000  0.5000  0.7552  1
  Si  Si3  1  0.0000  0.0000  0.4700  1
]