data_[K8Mn4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Mn  1.5500  1.4000  0.6483
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.1100]
_cell_length_b [8.1101]
_cell_length_c [11.7418]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.0489]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2MnO4]
_chemical_formula_sum '[K8 Mn4 O16]'
_cell_volume [513.4981]
_cell_formula_units_Z [4]
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  0.1975  0.7140  0.9131  1
  K  K1  4  0.4807  0.0044  0.2164  1
  Mn  Mn2  4  0.1506  0.2481  0.9274  1
  O  O3  4  0.1592  0.7423  0.1504  1
  O  O4  4  0.2373  0.0593  0.9122  1
  O  O5  4  0.2555  0.2119  0.5841  1
  O  O6  4  0.2698  0.1130  0.3683  1
]