data_[Ce6Pm8Ru4]
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
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.1013]
_cell_length_b [3.7607]
_cell_length_c [8.9072]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.7892]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce3(Pm2Ru)2]
_chemical_formula_sum '[Ce6 Pm8 Ru4]'
_cell_volume [511.3717]
_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
[
  Ce  Ce0  4  0.0761  0.0000  0.1848  1
  Ce  Ce1  2  0.0000  0.0000  0.5000  1
  Pm  Pm2  4  0.1254  0.5000  0.8814  1
  Pm  Pm3  4  0.2299  0.0000  0.6472  1
  Ru  Ru4  4  0.0843  0.5000  0.3990  1
]