data_[K2Np2Tl4F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Np  1.3600  1.7500  1.0000
  Tl  1.6200  1.9000  1.3325
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.5303]
_cell_length_b [6.7145]
_cell_length_c [6.8499]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.4861]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KNpTl2F6]
_chemical_formula_sum '[K2 Np2 Tl4 F12]'
_cell_volume [431.8163]
_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
[
  K  K0  2  0.0000  0.0000  0.5000  1
  Np  Np1  2  0.0000  0.5000  0.0000  1
  Tl  Tl2  4  0.2497  0.5000  0.7713  1
  F  F3  8  0.0693  0.2630  0.8474  1
  F  F4  4  0.2255  0.5000  0.3372  1
]