data_[Na8Li4Mg4H20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.2431]
_cell_length_b [12.6190]
_cell_length_c [10.1672]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Na2LiMgH5]
_chemical_formula_sum '[Na8 Li4 Mg4 H20]'
_cell_volume [416.0886]
_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
[
  Na  Na0  4  0.0000  0.1104  0.6820  1.0
  Na  Na1  4  0.0000  0.1482  0.2895  1.0
  Li  Li2  4  0.0000  0.2259  0.0189  1.0
  Mg  Mg3  4  0.0000  0.4602  0.4591  1.0
  H  H4  4  0.0000  0.0617  0.0436  1.0
  H  H5  4  0.0000  0.2826  0.6490  1.0
  H  H6  4  0.0000  0.3112  0.3975  1.0
  H  H7  4  0.0000  0.3849  0.0049  1.0
  H  H8  4  0.0000  0.4977  0.7796  1.0
]