data_[Rb4Na2Nd2Br12]
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
  Nd  1.1400  1.8500  1.2765
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.9562]
_cell_length_b [8.3055]
_cell_length_c [13.8198]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.5023]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2NaNdBr6]
_chemical_formula_sum '[Rb4 Na2 Nd2 Br12]'
_cell_volume [752.5861]
_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  4  0.2733  0.0667  0.2520  1
  Na  Na1  2  0.5000  0.0000  0.0000  1
  Nd  Nd2  2  0.0000  0.0000  0.5000  1
  Br  Br3  4  0.1571  0.0213  0.7470  1
  Br  Br4  4  0.2400  0.7103  0.5457  1
  Br  Br5  4  0.3390  0.1973  0.5448  1
]