data_[Rb2Nd2Be2O6]
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
  Be  1.5700  1.0500  0.5900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.6868]
_cell_length_b [3.5511]
_cell_length_c [8.0645]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.9539]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbNdBeO3]
_chemical_formula_sum '[Rb2 Nd2 Be2 O6]'
_cell_volume [210.5680]
_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  0.2180  0.2500  0.1863  1.0
  Nd  Nd1  2  0.1738  0.2500  0.6568  1.0
  Be  Be2  2  0.3955  0.7500  0.9410  1.0
  O  O3  2  0.1456  0.7500  0.4563  1.0
  O  O4  2  0.1868  0.7500  0.8627  1.0
  O  O5  2  0.4729  0.2500  0.8710  1.0
]