data_[Rb4Li4Hf2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Li  0.9800  1.4500  0.9000
  Hf  1.3000  1.5500  0.8500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.3178]
_cell_length_b [3.3438]
_cell_length_c [6.5728]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6362]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Li2HfO4]
_chemical_formula_sum '[Rb4 Li4 Hf2 O8]'
_cell_volume [254.9758]
_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
[
  Rb  Rb0  4  0.1417  0.0000  0.5671  1.0
  Li  Li1  4  0.1804  0.5000  0.9833  1.0
  Hf  Hf2  2  0.0000  0.0000  0.0000  1.0
  O  O3  4  0.0158  0.5000  0.8018  1.0
  O  O4  4  0.1814  0.0000  0.1245  1.0
]