input : ZnO-final.cif
log file: D:\git\tkProg\tkprog_COE\crystal\ZnO-final-out.txt
output symmetrized CIF file: D:\git\tkProg\tkprog_COE\crystal\ZnO-final-symmetrized.cif

Read [ZnO-final.cif] for tkCIF
====== tkcifobject.Print start ======
path: ZnO-final.cif
_chemical_name_systematic: 'ZnO'
_chemical_formula_structural: 'Zn O'

Unit cell:
latt: (3.29344, 3.29344, 5.28908, 90.0, 90.0, 120.0)
_cell_volume: 49.6838
_cell_formula_units_Z: 2

Space group:
_symmetry_space_group_name_H-M: 'P 1'
_symmetry_Int_Tables_number: 1

Symmetry:
0: 'x,y,z'

Atom Type:
Zn: 0.0

Atom Site:
#0000: Zn   Zn   (  0.3333,   0.6667,   0.0000) occ=  1.0000  ws=a  m=1
#0001: Zn   Zn   (  0.6667,   0.3333,   0.5000) occ=  1.0000  ws=a  m=1
#0002: O    O    (  0.3333,   0.6667,   0.3819) occ=  1.0000  ws=a  m=1
#0003: O    O    (  0.6667,   0.3333,   0.8819) occ=  1.0000  ws=a  m=1
====== tkcifobject.Print end ======

Read [ZnO-final.cif] for pymatgen
Structure:Full Formula (Zn2 O2)
Reduced Formula: ZnO
abc   :   3.293440   3.293440   5.289080
angles:  90.000000  90.000000 120.000000
pbc   :       True       True       True
Sites (4)
  #  SP           a         b         c
---  ----  --------  --------  --------
  0  Zn    0.333333  0.666667  0
  1  Zn    0.666667  0.333333  0.5
  2  O     0.333333  0.666667  0.381882
  3  O     0.666667  0.333333  0.881882

Symmetrized:
Space group: P6_3mc186
Number of symmetry options: 12

Lattice: 
  Lattice parameters:3.293443.293445.2890890.090.0119.99999999999999
  Matrix: [[ 3.29344000e+00  0.00000000e+00  2.01665038e-16]
 [-1.64672000e+00  2.85220271e+00  2.01665038e-16]
 [ 0.00000000e+00  0.00000000e+00  5.28908000e+00]]
  Volume: 49.68328228286548

Equivalent sites:
  Zn[0.33333333 0.66666667 0.        ]  occ=1.0
  O[0.33333333 0.66666667 0.381882  ]  occ=1.0

All sites:
  Zn[0.33333333 0.66666667 0.        ]  occ=1.0
  Zn[0.66666667 0.33333333 0.5       ]  occ=1.0
  O[0.33333333 0.66666667 0.381882  ]  occ=1.0
  O[0.66666667 0.33333333 0.881882  ]  occ=1.0

Save the symmetrized structure to [D:\git\tkProg\tkprog_COE\crystal\ZnO-final-symmetrized.cif]