data_[Sr2Np4Cd2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Np  1.3600  1.7500  1.0000
  Cd  1.6900  1.5500  1.0900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [5.4828]
_cell_length_b [5.4828]
_cell_length_c [10.5744]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [SrNp2CdO8]
_chemical_formula_sum '[Sr2 Np4 Cd2 O16]'
_cell_volume [317.8766]
_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
[
  Sr  Sr0  2  0.0000  0.5000  0.2500  1
  Np  Np1  2  0.0000  0.0000  0.5000  1
  Np  Np2  2  0.0000  0.5000  0.7500  1
  Cd  Cd3  2  0.0000  0.0000  0.0000  1
  O  O4  8  0.2107  0.2639  0.6387  1
  O  O5  8  0.2239  0.7558  0.6072  1
]