data_[Rb4Nd8Ga4O20]
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
  Ga  1.8100  1.3000  0.7600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [6.8813]
_cell_length_b [6.8813]
_cell_length_c [11.4541]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [RbNd2GaO5]
_chemical_formula_sum '[Rb4 Nd8 Ga4 O20]'
_cell_volume [542.3786]
_cell_formula_units_Z [4]
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  0.0000  0.0000  0.2500  1.0
  Nd  Nd1  8  0.1811  0.6811  0.5000  1.0
  Ga  Ga2  4  0.0000  0.5000  0.2500  1.0
  O  O3  16  0.1344  0.3656  0.3677  1.0
  O  O4  4  0.0000  0.0000  0.0000  1.0
]