data_[Li16Zn4Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Zn  1.6500  1.3500  0.8800
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.8596]
_cell_length_b [6.9106]
_cell_length_c [13.6976]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Li4ZnPb]
_chemical_formula_sum '[Li16 Zn4 Pb4]'
_cell_volume [460.0027]
_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
[
  Li  Li0  8  0.0000  0.2709  0.3684  1.0
  Li  Li1  4  0.0000  0.1763  0.0000  1.0
  Li  Li2  4  0.0000  0.5000  0.1826  1.0
  Zn  Zn3  4  0.2453  0.0000  0.5000  1.0
  Pb  Pb4  4  0.0000  0.0000  0.1945  1.0
]