data_[Na2Mg2H8Ir2]
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
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.3665]
_cell_length_b [4.8482]
_cell_length_c [6.2225]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.2570]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaMgH4Ir]
_chemical_formula_sum '[Na2 Mg2 H8 Ir2]'
_cell_volume [158.2072]
_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  2  0.1301  0.2500  0.8887  1.0
  Mg  Mg1  2  0.3381  0.7500  0.5406  1.0
  H  H2  4  0.2583  0.0171  0.2488  1.0
  Ir  Ir3  2  0.1299  0.2500  0.3882  1.0
  H  H4  2  0.1353  0.7500  0.8171  1.0
  H  H5  2  0.3565  0.2500  0.6180  1.0
]