data_[La4Ce2Mg6Al2Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Ce  1.1200  1.8500  1.0800
  Mg  1.3100  1.5000  0.8600
  Al  1.6100  1.2500  0.6750
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.7768]
_cell_length_b [13.4846]
_cell_length_c [7.8100]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [La2CeMg3AlTl2]
_chemical_formula_sum '[La4 Ce2 Mg6 Al2 Tl4]'
_cell_volume [503.0687]
_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
[
  La  La0  4  0.0000  0.2105  0.2105  1
  Ce  Ce1  2  0.0000  0.0000  0.5816  1
  Mg  Mg2  4  0.5000  0.1176  0.8817  1
  Mg  Mg3  2  0.5000  0.0000  0.2357  1
  Al  Al4  2  0.0000  0.0000  0.9991  1
  Tl  Tl5  4  0.5000  0.1660  0.4995  1
]