data_[Sr3Hf3Bi6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Hf  1.3000  1.5500  0.8500
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [6.0098]
_cell_length_b [6.0098]
_cell_length_c [15.3680]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [SrHf(BiO3)2]
_chemical_formula_sum '[Sr3 Hf3 Bi6 O18]'
_cell_volume [480.7009]
_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
[
  Sr  Sr0  3  0.0000  0.0000  0.1984  1
  Hf  Hf1  3  0.0000  0.0000  0.6864  1
  Bi  Bi2  3  0.0000  0.0000  0.4777  1
  Bi  Bi3  3  0.0000  0.0000  0.9783  1
  O  O4  9  0.0013  0.3908  0.4120  1
  O  O5  9  0.0084  0.7426  0.5867  1
]