data_[Rb4Nd2Bi4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Nd  1.1400  1.8500  1.2765
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.6675]
_cell_length_b [6.6347]
_cell_length_c [7.7177]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.5166]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Nd(BiO3)2]
_chemical_formula_sum '[Rb4 Nd2 Bi4 O12]'
_cell_volume [488.7690]
_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  0.1989  0.5000  0.1463  1
  Nd  Nd1  2  0.0000  0.5000  0.5000  1
  Bi  Bi2  4  0.0675  0.0000  0.2417  1
  O  O3  8  0.0488  0.2476  0.7454  1
  O  O4  4  0.2328  0.5000  0.5322  1
]