data_[K4Y2Mn4Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Y  1.2200  1.8000  1.0400
  Mn  1.5500  1.4000  0.6483
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.4402]
_cell_length_b [4.1832]
_cell_length_c [7.9738]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.8273]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Y(MnSe2)2]
_chemical_formula_sum '[K4 Y2 Mn4 Se8]'
_cell_volume [484.4874]
_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  0.1307  0.0000  0.5549  1.0
  Y  Y1  2  0.0000  0.0000  0.0000  1.0
  Mn  Mn2  4  0.1792  0.5000  0.9842  1.0
  Se  Se3  4  0.0188  0.5000  0.7620  1.0
  Se  Se4  4  0.2006  0.0000  0.1807  1.0
]