data_[Np3Fe3Co6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Fe  1.8300  1.4000  0.8525
  Co  1.8800  1.3500  0.7683
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.3068]
_cell_length_b [5.3068]
_cell_length_c [14.4084]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [NpFe(CoO3)2]
_chemical_formula_sum '[Np3 Fe3 Co6 O18]'
_cell_volume [351.4036]
_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
[
  Np  Np0  3  0.0000  0.0000  0.3181  1
  Fe  Fe1  3  0.0000  0.0000  0.8157  1
  Co  Co2  3  0.0000  0.0000  0.0205  1
  Co  Co3  3  0.0000  0.0000  0.5273  1
  O  O4  9  0.0019  0.2993  0.9121  1
  O  O5  9  0.0140  0.6963  0.4145  1
]