data_[Rb4Yb4N4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Yb  1.1000  1.7500  1.0840
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pbcm]
_cell_length_a [10.4545]
_cell_length_b [6.1906]
_cell_length_c [4.7513]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [57]
_chemical_formula_structural [RbYbNO]
_chemical_formula_sum '[Rb4 Yb4 N4 O4]'
_cell_volume [307.5068]
_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  0.1364  0.5257  0.7500  1
  Yb  Yb1  4  0.3960  0.0654  0.7500  1
  N  N2  4  0.1626  0.0261  0.7500  1
  O  O3  4  0.4091  0.0765  0.2500  1
]