data_[Zn2Cd2Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Cd  1.6900  1.5500  1.0900
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.3805]
_cell_length_b [4.4421]
_cell_length_c [9.5700]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [ZnCdSi2]
_chemical_formula_sum '[Zn2 Cd2 Si4]'
_cell_volume [143.7097]
_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
[
  Zn  Zn0  2  0.0000  0.0000  0.4687  1
  Cd  Cd1  2  0.0000  0.5000  0.7472  1
  Si  Si2  2  0.0000  0.0000  0.0425  1
  Si  Si3  2  0.0000  0.5000  0.2417  1
]