data_Zn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.4
_cell_length_b   4.4
_cell_length_c   4.51
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   121.81
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zn
_chemical_formula_sum   Zn4
_cell_volume   74.23
_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
  Zn  Zn0  1  0.14  0.21  0.62  1.0
  Zn  Zn1  1  0.14  0.79  0.89  1.0
  Zn  Zn2  1  0.14  0.37  0.14  1.0
  Zn  Zn3  1  0.14  0.63  0.36  1.0

data_Zn
_symmetry_space_group_name_H-M   P-1
_cell_length_a   4.28
_cell_length_b   4.4
_cell_length_c   4.51
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   119.1
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Zn
_chemical_formula_sum   Zn4
_cell_volume   74.23
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Zn  Zn0  2  0.21  0.21  0.64  1.0
  Zn  Zn1  2  0.37  0.37  0.11  1.0

Zn Zn Zn Zn