data_[La4Be2Al2]
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
  Al  1.6100  1.2500  0.6750
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.7201]
_cell_length_b [5.0395]
_cell_length_c [10.3250]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [La2BeAl]
_chemical_formula_sum '[La4 Be2 Al2]'
_cell_volume [193.5676]
_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  2  0.0000  0.0000  0.9712  1
  La  La1  2  0.0000  0.5000  0.7662  1
  Be  Be2  2  0.0000  0.5000  0.2064  1
  Al  Al3  2  0.0000  0.0000  0.5563  1
]