data_[K2Ba2Y4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ba  0.8900  2.1500  1.4900
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [12.7219]
_cell_length_b [3.7530]
_cell_length_c [7.4387]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.6553]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [KBaY2]
_chemical_formula_sum '[K2 Ba2 Y4]'
_cell_volume [351.9999]
_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  0.2450  0.5000  0.2464  1
  Ba  Ba1  2  0.0052  0.5000  0.5122  1
  Y  Y2  2  0.2619  0.0000  0.7802  1
  Y  Y3  2  0.4879  0.5000  0.9612  1
]