data_[Ta3Cd3Fe6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Cd  1.6900  1.5500  1.0900
  Fe  1.8300  1.4000  0.8525
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.4109]
_cell_length_b [5.4109]
_cell_length_c [14.2514]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [TaCd(FeO3)2]
_chemical_formula_sum '[Ta3 Cd3 Fe6 O18]'
_cell_volume [361.3542]
_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  0.6892  1.0
  Cd  Cd1  3  0.0000  0.0000  0.1993  1.0
  Fe  Fe2  3  0.0000  0.0000  0.4830  1.0
  Fe  Fe3  3  0.0000  0.0000  0.9766  1.0
  O  O4  9  0.0124  0.3370  0.4158  1.0
  O  O5  9  0.0222  0.7398  0.5857  1.0
]