data_[Pu1Ni1Br6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pu  1.2800  1.7500  0.9675
  Ni  1.9100  1.3500  0.7400
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P312]
_cell_length_a [6.7230]
_cell_length_b [6.7230]
_cell_length_c [18.0704]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [149]
_chemical_formula_structural [PuNiBr6]
_chemical_formula_sum '[Pu1 Ni1 Br6]'
_cell_volume [707.3267]
_cell_formula_units_Z [1]
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
[
  Pu  Pu0  1  0.0000  0.0000  0.5000  1
  Ni  Ni1  1  0.6667  0.3333  0.5000  1
  Br  Br2  6  0.3563  0.0285  0.5850  1
]