data_[Zn4Cr2Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Cr  1.6600  1.4000  0.9400
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.3464]
_cell_length_b [6.3464]
_cell_length_c [3.8028]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Zn2CrSi2]
_chemical_formula_sum '[Zn4 Cr2 Si4]'
_cell_volume [153.1637]
_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  4  0.1777  0.6777  0.5000  1
  Cr  Cr1  2  0.0000  0.0000  0.0000  1
  Si  Si2  4  0.1323  0.3677  0.0000  1
]