data_[Zn20Si8N24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Si  1.9000  1.1000  0.5400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.8661]
_cell_length_b [5.6011]
_cell_length_c [13.3665]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.6623]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Zn5(SiN3)2]
_chemical_formula_sum '[Zn20 Si8 N24]'
_cell_volume [663.0631]
_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
[
  Zn  Zn0  8  0.1144  0.2646  0.5374  1
  Zn  Zn1  8  0.1418  0.0682  0.7274  1
  Zn  Zn2  4  0.0000  0.4564  0.2500  1
  Si  Si3  8  0.2122  0.2438  0.9070  1
  N  N4  8  0.0271  0.2571  0.8587  1
  N  N5  8  0.1778  0.2713  0.1975  1
  N  N6  8  0.2454  0.0229  0.0033  1
]