data_[K4Na4H8]
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
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.0094]
_cell_length_b [7.2567]
_cell_length_c [6.3637]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.3321]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KNaH2]
_chemical_formula_sum '[K4 Na4 H8]'
_cell_volume [312.1700]
_cell_formula_units_Z [4]
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  0.1666  0.0858  0.8094  1.0
  Na  Na1  4  0.3631  0.6645  0.8559  1.0
  H  H2  4  0.1225  0.7436  0.0300  1.0
  H  H3  4  0.4258  0.1276  0.2576  1.0
]