data_[Rb2N2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.6005]
_cell_length_b [6.0449]
_cell_length_c [4.4264]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.8846]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [RbNO2]
_chemical_formula_sum '[Rb2 N2 O4]'
_cell_volume [178.0653]
_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  0.0218  0.0000  0.0278  1.0
  N  N1  2  0.4933  0.0000  0.4586  1.0
  O  O2  4  0.0895  0.3219  0.5908  1.0
]