data_[Rb6N4O4]
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 [C2/m]
_cell_length_a [15.1400]
_cell_length_b [5.3208]
_cell_length_c [5.2762]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0728]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3(NO)2]
_chemical_formula_sum '[Rb6 N4 O4]'
_cell_volume [406.3052]
_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  4  0.2472  0.5000  0.2493  1
  Rb  Rb1  2  0.0000  0.0000  0.0000  1
  N  N2  4  0.0025  0.5000  0.3962  1
  O  O3  4  0.1712  0.0000  0.1858  1
]