data_[Na6Sr3Hf9O24]
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
  Hf  1.3000  1.5500  0.8500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [6.5160]
_cell_length_b [6.5160]
_cell_length_c [16.9948]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Na2SrHf3O8]
_chemical_formula_sum '[Na6 Sr3 Hf9 O24]'
_cell_volume [624.9078]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.1177  1.0
  Na  Na1  3  0.0000  0.0000  0.4998  1.0
  Sr  Sr2  3  0.0000  0.0000  0.8768  1.0
  Hf  Hf3  9  0.0033  0.5016  0.0007  1.0
  O  O4  9  0.0413  0.5206  0.2696  1.0
  O  O5  9  0.1847  0.3694  0.0628  1.0
  O  O6  3  0.0000  0.0000  0.2673  1.0
  O  O7  3  0.0000  0.0000  0.7318  1.0
]