data_[Na6Mg4H14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [3.8439]
_cell_length_b [20.6937]
_cell_length_c [3.7032]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Na3Mg2H7]
_chemical_formula_sum '[Na6 Mg4 H14]'
_cell_volume [294.5694]
_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
[
  Na  Na0  4  0.0000  0.3208  0.5000  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Mg  Mg2  4  0.0000  0.0950  0.0000  1.0
  H  H3  4  0.0000  0.0935  0.5000  1.0
  H  H4  4  0.0000  0.1911  0.0000  1.0
  H  H5  4  0.0000  0.4068  0.0000  1.0
  H  H6  2  0.0000  0.0000  0.0000  1.0
]