data_[Rb2N8O2]
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 [P2_1/m]
_cell_length_a [5.5604]
_cell_length_b [4.3371]
_cell_length_c [10.0348]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.4883]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbN4O]
_chemical_formula_sum '[Rb2 N8 O2]'
_cell_volume [241.9910]
_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  0.2506  0.7500  0.6758  1
  N  N1  4  0.1626  0.0063  0.1550  1
  N  N2  2  0.2495  0.2500  0.4742  1
  N  N3  2  0.2972  0.2500  0.1462  1
  O  O4  2  0.3153  0.7500  0.1457  1
]