data_[K2Sr2Cu2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sr  0.9500  2.0000  1.3200
  Cu  1.9000  1.3500  0.8200
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.7449]
_cell_length_b [6.9536]
_cell_length_c [8.6812]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3166]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KSrCuCl4]
_chemical_formula_sum '[K2 Sr2 Cu2 Cl8]'
_cell_volume [386.5297]
_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  0.2548  0.2500  0.0610  1.0
  Sr  Sr1  2  0.2302  0.2500  0.5552  1.0
  Cu  Cu2  2  0.2319  0.7500  0.3136  1.0
  Cl  Cl3  4  0.0104  0.5048  0.7257  1.0
  Cl  Cl4  2  0.4257  0.7500  0.1408  1.0
  Cl  Cl5  2  0.4339  0.7500  0.5860  1.0
]