data_[La2Be2Tl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Be  1.5700  1.0500  0.5900
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [5.5211]
_cell_length_b [4.2868]
_cell_length_c [6.9308]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.1457]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [LaBeTl]
_chemical_formula_sum '[La2 Be2 Tl2]'
_cell_volume [152.9939]
_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  1  0.0000  0.5000  0.0000  1
  La  La1  1  0.5000  0.0000  0.5000  1
  Be  Be2  2  0.0728  0.0000  0.6999  1
  Tl  Tl3  1  0.0000  0.5000  0.5000  1
  Tl  Tl4  1  0.5000  0.0000  0.0000  1
]