data_[Na16Cr4H24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cr  1.6600  1.4000  0.9400
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [9.5478]
_cell_length_b [5.4433]
_cell_length_c [11.6688]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.7142]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [Na4CrH6]
_chemical_formula_sum '[Na16 Cr4 H24]'
_cell_volume [583.7784]
_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  0.0881  0.2357  0.1007  1
  Na  Na1  4  0.2718  0.2718  0.6463  1
  Na  Na2  4  0.3409  0.2663  0.9571  1
  Na  Na3  4  0.4634  0.2229  0.3114  1
  Cr  Cr4  4  0.1456  0.2129  0.3751  1
  H  H5  4  0.0017  0.3201  0.2566  1
  H  H6  4  0.0535  0.0333  0.4603  1
  H  H7  4  0.1223  0.4744  0.4540  1
  H  H8  4  0.1785  0.0393  0.7871  1
  H  H9  4  0.3268  0.3220  0.1402  1
  H  H10  4  0.3275  0.1862  0.4654  1
]