data_[Rb4Er4N8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Er  1.2400  1.7500  1.0300
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.5003]
_cell_length_b [9.5311]
_cell_length_c [7.3817]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.6487]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbEr(NO3)2]
_chemical_formula_sum '[Rb4 Er4 N8 O24]'
_cell_volume [559.6281]
_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  0.1265  0.2500  1
  Er  Er1  4  0.0000  0.4228  0.7500  1
  N  N2  8  0.2489  0.3779  0.2216  1
  O  O3  8  0.0868  0.3870  0.0876  1
  O  O4  8  0.1834  0.2470  0.7447  1
  O  O5  8  0.2370  0.0397  0.6269  1
]