data_[Rb12Na12H12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Ima2]
_cell_length_a [9.3771]
_cell_length_b [20.3637]
_cell_length_c [6.7021]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [RbNaH]
_chemical_formula_sum '[Rb12 Na12 H12]'
_cell_volume [1279.7915]
_cell_formula_units_Z [12]
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  0.2500  0.1795  0.4599  1.0
  Rb  Rb1  4  0.2500  0.5166  0.4834  1.0
  Rb  Rb2  4  0.2500  0.6855  0.9611  1.0
  Na  Na3  8  0.0120  0.6790  0.4577  1.0
  Na  Na4  4  0.0000  0.0000  0.4881  1.0
  H  H5  8  0.0288  0.2497  0.2086  1.0
  H  H6  4  0.2500  0.6655  0.4630  1.0
]