data_[Cs2Np2Se4F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Np  1.3600  1.7500  1.0000
  Se  2.5500  1.1500  1.0133
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.4460]
_cell_length_b [4.2195]
_cell_length_c [9.7240]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0632]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsNpSe2F]
_chemical_formula_sum '[Cs2 Np2 Se4 F2]'
_cell_volume [331.2855]
_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
[
  Cs  Cs0  2  0.2991  0.2500  0.6866  1
  Np  Np1  2  0.1762  0.2500  0.1656  1
  Se  Se2  2  0.1606  0.7500  0.3504  1
  Se  Se3  2  0.1757  0.7500  0.9653  1
  F  F4  2  0.4399  0.2500  0.2320  1
]