data_[Sm16Sn4Os2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Sn  1.9600  1.4500  0.8300
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.5574]
_cell_length_b [5.1233]
_cell_length_c [6.8304]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.2168]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm8Sn2Os]
_chemical_formula_sum '[Sm16 Sn4 Os2]'
_cell_volume [653.7246]
_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  4  0.0163  0.0000  0.7876  1
  Sm  Sm1  4  0.0893  0.5000  0.4518  1
  Sm  Sm2  4  0.1458  0.5000  0.9903  1
  Sm  Sm3  4  0.2171  0.0000  0.3151  1
  Sn  Sn4  4  0.1784  0.0000  0.7423  1
  Os  Os5  2  0.0000  0.5000  0.0000  1
]