data_[Sm12Al4Os2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Al  1.6100  1.2500  0.6750
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.1189]
_cell_length_b [7.1875]
_cell_length_c [15.0253]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Sm6Al2Os]
_chemical_formula_sum '[Sm12 Al4 Os2]'
_cell_volume [552.8109]
_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
[
  Sm  Sm0  8  0.0000  0.2433  0.1566  1
  Sm  Sm1  4  0.0000  0.2655  0.5000  1
  Al  Al2  4  0.0000  0.0000  0.3325  1
  Os  Os3  2  0.0000  0.0000  0.0000  1
]