data_[Sr20Zn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [18.7409]
_cell_length_b [7.5336]
_cell_length_c [8.3731]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.7202]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sr5Zn2]
_chemical_formula_sum '[Sr20 Zn8]'
_cell_volume [1171.4482]
_cell_formula_units_Z [4]
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
[
  Sr  Sr0  8  0.0926  0.1029  0.4210  1
  Sr  Sr1  8  0.2171  0.4115  0.8084  1
  Sr  Sr2  4  0.0000  0.4222  0.7500  1
  Zn  Zn3  8  0.1109  0.2995  0.0808  1
]