data_[Nb2Cr2Bi2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  Cr  1.6600  1.4000  0.9400
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4_2nm]
_cell_length_a [4.8512]
_cell_length_b [4.8512]
_cell_length_c [9.7506]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [102]
_chemical_formula_structural [NbCrBiO6]
_chemical_formula_sum '[Nb2 Cr2 Bi2 O12]'
_cell_volume [229.4691]
_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
[
  Nb  Nb0  2  0.0000  0.0000  0.3276  1.0
  Cr  Cr1  2  0.0000  0.0000  0.6684  1.0
  Bi  Bi2  2  0.0000  0.0000  0.9960  1.0
  O  O3  4  0.1746  0.8254  0.5000  1.0
  O  O4  4  0.2026  0.7974  0.8179  1.0
  O  O5  4  0.2054  0.7946  0.1861  1.0
]