data_[Li6Nb4Cr2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  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 [C2/m]
_cell_length_a [13.7067]
_cell_length_b [2.9221]
_cell_length_c [6.1629]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3927]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li3Nb2CrO6]
_chemical_formula_sum '[Li6 Nb4 Cr2 O12]'
_cell_volume [236.8019]
_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
[
  Li  Li0  4  0.1531  0.5000  0.3364  1
  Li  Li1  2  0.0000  0.0000  0.0000  1
  Nb  Nb2  4  0.1769  0.5000  0.8551  1
  Cr  Cr3  2  0.0000  0.0000  0.5000  1
  O  O4  4  0.0104  0.5000  0.7342  1
  O  O5  4  0.1557  0.0000  0.5874  1
  O  O6  4  0.1561  0.0000  0.1009  1
]