data_[Cs2K2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.2170]
_cell_length_b [8.4451]
_cell_length_c [8.5371]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.1600]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsK]
_chemical_formula_sum '[Cs2 K2]'
_cell_volume [375.8628]
_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
[
  Cs  Cs0  2  0.2113  0.7500  0.8870  1.0
  K  K1  2  0.2974  0.2500  0.5964  1.0
]