data_[Np2Mn4Sn2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Mn  1.5500  1.4000  0.6483
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [6.6904]
_cell_length_b [7.2403]
_cell_length_c [6.2643]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [NpMn2SnO8]
_chemical_formula_sum '[Np2 Mn4 Sn2 O16]'
_cell_volume [303.4478]
_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  0.0000  0.0000  0.0000  1
  Mn  Mn1  4  0.0000  0.5000  0.2542  1
  Sn  Sn2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.0000  0.1887  0.2442  1
  O  O4  4  0.1850  0.5000  0.0000  1
  O  O5  4  0.1882  0.5000  0.5000  1
]