data_[Ce8Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.8054]
_cell_length_b [6.2892]
_cell_length_c [12.1492]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ce2Os]
_chemical_formula_sum '[Ce8 Os4]'
_cell_volume [290.7627]
_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
[
  Ce  Ce0  4  0.0000  0.2314  0.5000  1.0
  Ce  Ce1  4  0.0000  0.5000  0.2169  1.0
  Os  Os2  4  0.0000  0.0000  0.1243  1.0
]