data_[K4Rb4Al2H12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Al  1.6100  1.2500  0.6750
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.6912]
_cell_length_b [11.4284]
_cell_length_c [6.5235]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.8949]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Rb2AlH6]
_chemical_formula_sum '[K4 Rb4 Al2 H12]'
_cell_volume [494.1215]
_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
[
  K  K0  4  0.0000  0.1404  0.0000  1
  Rb  Rb1  4  0.0000  0.3420  0.5000  1
  Al  Al2  2  0.0000  0.0000  0.5000  1
  H  H3  8  0.1405  0.1123  0.6494  1
  H  H4  4  0.1794  0.0000  0.3151  1
]