data_[Rb2Na2Pm2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Pm  1.1300  1.8500  1.1100
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.6793]
_cell_length_b [14.3610]
_cell_length_c [5.5440]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.5867]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [RbNaPmCl6]
_chemical_formula_sum '[Rb2 Na2 Pm2 Cl12]'
_cell_volume [610.7779]
_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
[
  Rb  Rb0  2  0.0000  0.9992  0.0000  1
  Na  Na1  2  0.0000  0.6911  0.5000  1
  Pm  Pm2  2  0.0000  0.3103  0.5000  1
  Cl  Cl3  4  0.0205  0.4888  0.2528  1
  Cl  Cl4  4  0.1683  0.1838  0.2549  1
  Cl  Cl5  4  0.1860  0.8242  0.2616  1
]