data_[Ce18Pm6Os18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.8274]
_cell_length_b [8.8274]
_cell_length_c [15.6907]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ce3PmOs3]
_chemical_formula_sum '[Ce18 Pm6 Os18]'
_cell_volume [1058.8542]
_cell_formula_units_Z [6]
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  18  0.0199  0.7343  0.1052  1
  Pm  Pm1  6  0.0000  0.0000  0.3310  1
  Os  Os2  18  0.0121  0.6406  0.9343  1
]