data_[Sr8Zn8Si4]
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
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.7563]
_cell_length_b [4.3376]
_cell_length_c [11.7471]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.3207]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2Zn2Si]
_chemical_formula_sum '[Sr8 Zn8 Si4]'
_cell_volume [541.4850]
_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  4  0.0999  0.0000  0.8934  1
  Sr  Sr1  4  0.1998  0.5000  0.6353  1
  Zn  Zn2  4  0.0363  0.0000  0.4095  1
  Zn  Zn3  4  0.1104  0.5000  0.1196  1
  Si  Si4  4  0.0702  0.5000  0.3186  1
]