data_[Rb2Np4Co2O16]
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
  Co  1.8800  1.3500  0.7683
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.8182]
_cell_length_b [6.8222]
_cell_length_c [7.2109]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.6490]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbNp2CoO8]
_chemical_formula_sum '[Rb2 Np4 Co2 O16]'
_cell_volume [383.8295]
_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
[
  Rb  Rb0  2  0.0000  0.0000  0.5000  1
  Np  Np1  4  0.0061  0.5000  0.7659  1
  Co  Co2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.0060  0.2183  0.1997  1
  O  O4  4  0.1517  0.5000  0.4523  1
  O  O5  4  0.1697  0.5000  0.9860  1
]