data_[Np2Cu6O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [9.2109]
_cell_length_b [6.2500]
_cell_length_c [6.3199]
_cell_angle_alpha [90.0000]
_cell_angle_beta [132.0642]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [NpCu3O7]
_chemical_formula_sum '[Np2 Cu6 O14]'
_cell_volume [270.1009]
_cell_formula_units_Z [2]
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  2  0.0133  0.0000  0.0142  1
  Cu  Cu1  4  0.4913  0.2414  0.5045  1
  Cu  Cu2  2  0.4568  0.0000  0.9745  1
  O  O3  4  0.0009  0.2760  0.8115  1
  O  O4  4  0.4983  0.2412  0.2103  1
  O  O5  2  0.1276  0.0000  0.6628  1
  O  O6  2  0.2396  0.5000  0.7312  1
  O  O7  2  0.3068  0.0000  0.3146  1
]