data_[K2Mn2Cr2Se6]
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
  Cr  1.6600  1.4000  0.9400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.3992]
_cell_length_b [3.9652]
_cell_length_c [9.9379]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.9090]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KMnCrSe3]
_chemical_formula_sum '[K2 Mn2 Cr2 Se6]'
_cell_volume [309.1815]
_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  0.2382  0.2500  0.2549  1.0
  Mn  Mn1  2  0.0859  0.2500  0.6181  1.0
  Cr  Cr2  2  0.3327  0.7500  0.8662  1.0
  Se  Se3  2  0.1239  0.2500  0.8721  1.0
  Se  Se4  2  0.2372  0.7500  0.5577  1.0
  Se  Se5  2  0.4721  0.7500  0.1343  1.0
]