data_[La8Zn4Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  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 [11.2769]
_cell_length_b [4.3402]
_cell_length_c [10.9207]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.7085]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La2ZnSi2]
_chemical_formula_sum '[La8 Zn4 Si8]'
_cell_volume [468.7996]
_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
[
  La  La0  4  0.1210  0.0000  0.9214  1.0
  La  La1  4  0.2160  0.5000  0.6476  1.0
  Zn  Zn2  4  0.0434  0.5000  0.3074  1.0
  Si  Si3  4  0.0331  0.0000  0.4125  1.0
  Si  Si4  4  0.1019  0.5000  0.1151  1.0
]