data_[La4Tb2Y1Mg1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.1812]
_cell_length_b [5.1812]
_cell_length_c [10.0043]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [La4Tb2YMg]
_chemical_formula_sum '[La4 Tb2 Y1 Mg1]'
_cell_volume [268.5648]
_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
[
  La  La0  4  0.0000  0.5000  0.2446  1
  Tb  Tb1  1  0.0000  0.0000  0.5000  1
  Tb  Tb2  1  0.5000  0.5000  0.0000  1
  Y  Y3  1  0.5000  0.5000  0.5000  1
  Mg  Mg4  1  0.0000  0.0000  0.0000  1
]