data_[K4Np2Mn4O12]
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
  Mn  1.5500  1.4000  0.6483
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.7218]
_cell_length_b [9.7210]
_cell_length_c [6.6743]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7106]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2NpMn2O6]
_chemical_formula_sum '[K4 Np2 Mn4 O12]'
_cell_volume [351.6151]
_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  4  0.0000  0.1761  0.0000  1
  Np  Np1  2  0.0000  0.0000  0.5000  1
  Mn  Mn2  4  0.0000  0.3353  0.5000  1
  O  O3  8  0.2164  0.1597  0.6779  1
  O  O4  4  0.2471  0.0000  0.3254  1
]