data_[Sr8Li4Np4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Li  0.9800  1.4500  0.9000
  Np  1.3600  1.7500  1.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.4878]
_cell_length_b [13.9539]
_cell_length_c [11.1439]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Sr2LiNpO5]
_chemical_formula_sum '[Sr8 Li4 Np4 O20]'
_cell_volume [542.3639]
_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
[
  Sr  Sr0  4  0.0000  0.0867  0.6745  1
  Sr  Sr1  4  0.0000  0.1260  0.3195  1
  Li  Li2  4  0.0000  0.4504  0.4346  1
  Np  Np3  4  0.0000  0.2072  0.0249  1
  O  O4  4  0.0000  0.0634  0.0293  1
  O  O5  4  0.0000  0.2791  0.6535  1
  O  O6  4  0.0000  0.3015  0.4026  1
  O  O7  4  0.0000  0.3525  0.0056  1
  O  O8  4  0.0000  0.4953  0.7795  1
]