data_Li2ZnCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.38
_cell_length_b   4.38
_cell_length_c   4.38
_cell_angle_alpha   124.56
_cell_angle_beta   124.56
_cell_angle_gamma   82.26
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2ZnCu
_chemical_formula_sum   'Li2 Zn1 Cu1'
_cell_volume   54.79
_cell_formula_units_Z   1
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  Li1  1  0.0  0.04  0.65  1.0
  Li  Li2  1  0.0  0.0  0.0  1.0
  Zn  Zn3  1  0.04  0.0  0.65  1.0
  Cu  Cu0  1  0.0  0.0  0.3  1.0

data_Li2ZnCu
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.07
_cell_length_b   4.07
_cell_length_c   4.38
_cell_angle_alpha   117.72
_cell_angle_beta   117.72
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2ZnCu
_chemical_formula_sum   'Li2 Zn1 Cu1'
_cell_volume   54.79
_cell_formula_units_Z   1
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  1  0.0  0.0  0.0  1.0
  Li  Li1  1  0.39  0.04  0.39  1.0
  Zn  Zn2  1  0.35  0.0  0.39  1.0
  Cu  Cu3  1  0.7  0.0  0.7  1.0

Li Li Zn Cu