data_[K2Na4Al2H12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Al  1.6100  1.2500  0.6750
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P2_1]
_cell_length_a [5.6010]
_cell_length_b [5.6198]
_cell_length_c [7.9632]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.1529]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [4]
_chemical_formula_structural [KNa2AlH6]
_chemical_formula_sum '[K2 Na4 Al2 H12]'
_cell_volume [250.6522]
_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  2  0.2436  0.9881  0.4974  1.0
  Na  Na1  2  0.2441  0.0264  0.9997  1.0
  Na  Na2  2  0.2582  0.5028  0.7561  1.0
  Al  Al3  2  0.2371  0.4996  0.2344  1.0
  H  H4  2  0.0072  0.1920  0.7396  1.0
  H  H5  2  0.0503  0.2520  0.2647  1.0
  H  H6  2  0.1771  0.4815  0.0211  1.0
  H  H7  2  0.2855  0.5069  0.4583  1.0
  H  H8  2  0.4272  0.7510  0.2052  1.0
  H  H9  2  0.4886  0.3096  0.2088  1.0
]