data_[Ta3Cr3Fe6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Cr  1.6600  1.4000  0.9400
  Fe  1.8300  1.4000  0.8525
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.2606]
_cell_length_b [5.2606]
_cell_length_c [13.9841]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [TaCr(FeO3)2]
_chemical_formula_sum '[Ta3 Cr3 Fe6 O18]'
_cell_volume [335.1447]
_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
[
  Ta  Ta0  3  0.0000  0.0000  0.3182  1.0
  Cr  Cr1  3  0.0000  0.0000  0.8195  1.0
  Fe  Fe2  3  0.0000  0.0000  0.0293  1.0
  Fe  Fe3  3  0.0000  0.0000  0.5239  1.0
  O  O4  9  0.0101  0.6370  0.0767  1.0
  O  O5  9  0.0121  0.3811  0.5816  1.0
]