data_[Np6U3As6Ru6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  U  1.3800  1.7500  0.9913
  As  2.1800  1.1500  0.6600
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.2852]
_cell_length_b [4.2852]
_cell_length_c [24.4404]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Np2U(AsRu)2]
_chemical_formula_sum '[Np6 U3 As6 Ru6]'
_cell_volume [388.6706]
_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  6  0.0000  0.0000  0.1502  1
  U  U1  3  0.0000  0.0000  0.0000  1
  As  As2  6  0.0000  0.0000  0.2693  1
  Ru  Ru3  6  0.0000  0.0000  0.4364  1
]