data_[Sm16Cu4Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Cu  1.9000  1.3500  0.8200
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [I4_1md]
_cell_length_a [9.4950]
_cell_length_b [9.4950]
_cell_length_c [8.4122]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [109]
_chemical_formula_structural [Sm4CuOs]
_chemical_formula_sum '[Sm16 Cu4 Os4]'
_cell_volume [758.4024]
_cell_formula_units_Z [4]
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  0.1974  0.2586  1
  Sm  Sm1  8  0.0000  0.2028  0.7411  1
  Cu  Cu2  4  0.0000  0.0000  0.0016  1
  Os  Os3  4  0.0000  0.0000  0.4990  1
]