data_[Li4Zn16Cu2]
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
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.2502]
_cell_length_b [6.2739]
_cell_length_c [11.8505]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Li2Zn8Cu]
_chemical_formula_sum '[Li4 Zn16 Cu2]'
_cell_volume [315.9996]
_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
[
  Li  Li0  4  0.0000  0.5000  0.2004  1.0
  Zn  Zn1  8  0.0000  0.2035  0.3650  1.0
  Zn  Zn2  4  0.0000  0.0000  0.1603  1.0
  Zn  Zn3  4  0.0000  0.2930  0.0000  1.0
  Cu  Cu4  2  0.0000  0.5000  0.5000  1.0
]