data_[Ca16Al4Zn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Al  1.6100  1.2500  0.6750
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.9913]
_cell_length_b [5.3233]
_cell_length_c [7.4527]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.8003]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ca8Al2Zn]
_chemical_formula_sum '[Ca16 Al4 Zn2]'
_cell_volume [708.8922]
_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
[
  Ca  Ca0  4  0.0265  0.0000  0.7835  1.0
  Ca  Ca1  4  0.0985  0.5000  0.4484  1.0
  Ca  Ca2  4  0.1653  0.5000  0.9549  1.0
  Ca  Ca3  4  0.2026  0.0000  0.3002  1.0
  Al  Al4  4  0.1802  0.0000  0.6991  1.0
  Zn  Zn5  2  0.0000  0.5000  0.0000  1.0
]