data_[Ce8Nb8Os8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Nb  1.6000  1.4500  0.8200
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [5.7204]
_cell_length_b [9.0915]
_cell_length_c [9.2948]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [CeNbOs]
_chemical_formula_sum '[Ce8 Nb8 Os8]'
_cell_volume [483.3963]
_cell_formula_units_Z [8]
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
[
  Ce  Ce0  8  0.0000  0.0000  0.3419  1
  Nb  Nb1  8  0.0000  0.1604  0.0000  1
  Os  Os2  8  0.2500  0.2500  0.2500  1
]