data_[Hf2Nb2Cr2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Nb  1.6000  1.4500  0.8200
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4_2nm]
_cell_length_a [4.7747]
_cell_length_b [4.7747]
_cell_length_c [9.3593]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [102]
_chemical_formula_structural [HfNbCrO6]
_chemical_formula_sum '[Hf2 Nb2 Cr2 O12]'
_cell_volume [213.3676]
_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
[
  Hf  Hf0  2  0.0000  0.0000  0.6695  1.0
  Nb  Nb1  2  0.0000  0.0000  0.3343  1.0
  Cr  Cr2  2  0.0000  0.0000  0.0002  1.0
  O  O3  4  0.1908  0.8092  0.1676  1.0
  O  O4  4  0.1972  0.8028  0.4939  1.0
  O  O5  4  0.1986  0.8014  0.8365  1.0
]