data_[Rb4Np4Cu8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [C2/c]
_cell_length_a [9.7906]
_cell_length_b [10.2394]
_cell_length_c [6.7599]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.9984]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbNp(CuO3)2]
_chemical_formula_sum '[Rb4 Np4 Cu8 O24]'
_cell_volume [660.3164]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  4  0.0000  0.0952  0.7500  1
  Np  Np1  4  0.0000  0.3017  0.2500  1
  Cu  Cu2  8  0.1862  0.4301  0.6152  1
  O  O3  8  0.0143  0.3205  0.5399  1
  O  O4  8  0.1398  0.1534  0.2685  1
  O  O5  8  0.1697  0.4421  0.3169  1
]