data_[La3Sm6Mg3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Sm  1.1700  1.8500  1.2290
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.6041]
_cell_length_b [3.6041]
_cell_length_c [34.6608]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [LaSm2Mg]
_chemical_formula_sum '[La3 Sm6 Mg3]'
_cell_volume [389.9104]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.3332  1
  Sm  Sm1  3  0.0000  0.0000  0.7540  1
  Sm  Sm2  3  0.0000  0.0000  0.9138  1
  Mg  Mg3  3  0.0000  0.0000  0.5005  1
]