data_[Rb2H12N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  H  2.2000  0.2500  0.0000
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [6.4774]
_cell_length_b [6.4774]
_cell_length_c [5.9797]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [Rb(H3N2)2]
_chemical_formula_sum '[Rb2 H12 N8]'
_cell_volume [250.8879]
_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  0.0000  0.0000  0.0000  1
  H  H1  8  0.1862  0.1862  0.3952  1
  H  H2  4  0.0000  0.5000  0.0000  1
  N  N3  8  0.1136  0.1136  0.5266  1
]