data_[K2Na2Mn2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Mn  1.5500  1.4000  0.6483
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.7437]
_cell_length_b [8.3136]
_cell_length_c [9.4828]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8206]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KNaMnI4]
_chemical_formula_sum '[K2 Na2 Mn2 I8]'
_cell_volume [584.3669]
_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  0.2239  0.2500  0.0542  1.0
  Na  Na1  2  0.2295  0.2500  0.5605  1.0
  Mn  Mn2  2  0.2356  0.7500  0.3205  1.0
  I  I3  4  0.0001  0.5003  0.2695  1.0
  I  I4  2  0.4325  0.7500  0.1298  1.0
  I  I5  2  0.4545  0.7500  0.5952  1.0
]