data_[Na2Sr1Fe1H8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Fe  1.8300  1.4000  0.8525
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [4.8407]
_cell_length_b [4.8407]
_cell_length_c [6.6238]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Na2SrFeH8]
_chemical_formula_sum '[Na2 Sr1 Fe1 H8]'
_cell_volume [134.4177]
_cell_formula_units_Z [1]
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  0.3333  0.6667  0.8573  1
  Sr  Sr1  1  0.0000  0.0000  0.5000  1
  Fe  Fe2  1  0.0000  0.0000  0.0000  1
  H  H3  6  0.1510  0.3019  0.1446  1
  H  H4  2  0.3333  0.6667  0.5195  1
]