data_[Rb4Pr2Nd4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [11.6866]
_cell_length_b [11.6866]
_cell_length_c [3.2974]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Rb2PrNd2]
_chemical_formula_sum '[Rb4 Pr2 Nd4]'
_cell_volume [450.3429]
_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  0.1444  0.3556  0.5000  1
  Pr  Pr1  2  0.0000  0.0000  0.0000  1
  Nd  Nd2  4  0.1549  0.6549  0.5000  1
]