data_La2Zn3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.05
_cell_length_b   7.05
_cell_length_c   7.05
_cell_angle_alpha   39.13
_cell_angle_beta   39.13
_cell_angle_gamma   39.13
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2Zn3
_chemical_formula_sum   'La2 Zn3'
_cell_volume   125.46
_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
  La  La0  1  0.0  0.0  0.09  1.0
  La  La1  1  0.0  0.0  0.42  1.0
  Zn  Zn2  1  0.0  0.0  0.0  1.0
  Zn  Zn3  1  0.0  0.0  0.15  1.0
  Zn  Zn4  1  0.0  0.0  0.35  1.0

data_La2Zn3
_symmetry_space_group_name_H-M   Cm
_cell_length_a   8.18
_cell_length_b   4.72
_cell_length_c   7.05
_cell_angle_alpha   90.0
_cell_angle_beta   112.75
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   La2Zn3
_chemical_formula_sum   'La4 Zn6'
_cell_volume   250.91
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.58  1.0
  La  La1  2  0.0  0.0  0.91  1.0
  Zn  Zn2  2  0.0  0.0  0.0  1.0
  Zn  Zn3  2  0.0  0.0  0.65  1.0
  Zn  Zn4  2  0.0  0.0  0.85  1.0

La La Zn Zn Zn