data_[K2Ba2Sr4]
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
  Sr  0.9500  2.0000  1.3200
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [14.5523]
_cell_length_b [4.3385]
_cell_length_c [7.7644]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.3558]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [KBaSr2]
_chemical_formula_sum '[K2 Ba2 Sr4]'
_cell_volume [485.0006]
_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  0.2520  0.0000  0.7516  1.0
  Ba  Ba1  2  0.4982  0.0000  0.4929  1.0
  Sr  Sr2  2  0.0021  0.0000  0.0096  1.0
  Sr  Sr3  2  0.2477  0.5000  0.2459  1.0
]