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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: QCISD(T)=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-2833.930687
Energy at 298.15K 
HF Energy-2832.691767
Nuclear repulsion energy1010.686675
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD(T)=FULL/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 1011 970        
2 A1g 433 415        
3 A1g 224 215        
4 A1u 88 84        
5 A2u 687 659        
6 A2u 380 364        
7 Eg 873 837        
7 Eg 873 837        
8 Eg 345 331        
8 Eg 345 331        
9 Eg 227 217        
9 Eg 226 217        
10 Eu 797 764        
10 Eu 797 764        
11 Eu 282 270        
11 Eu 282 270        
12 Eu 167 160        
12 Eu 167 160        

Unscaled Zero Point Vibrational Energy (zpe) 4100.9 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 3932.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/cc-pVDZ
ABC
0.02833 0.02332 0.02332

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.794
C2 0.000 0.000 -0.794
Cl3 0.000 1.684 1.398
Cl4 -1.458 -0.842 1.398
Cl5 1.458 -0.842 1.398
Cl6 0.000 -1.684 -1.398
Cl7 -1.458 0.842 -1.398
Cl8 1.458 0.842 -1.398

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58761.78921.78921.78922.76412.76412.7641
C21.58762.76412.76412.76411.78921.78921.7892
Cl31.78922.76412.91692.91694.37753.26413.2641
Cl41.78922.76412.91692.91693.26413.26414.3776
Cl51.78922.76412.91692.91693.26414.37763.2641
Cl62.76411.78924.37753.26413.26412.91692.9169
Cl72.76411.78923.26413.26414.37762.91692.9169
Cl82.76411.78923.26414.37763.26412.91692.9169

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.739 C1 C2 Cl7 109.739
C1 C2 Cl8 109.739 C2 C1 Cl3 109.739
C2 C1 Cl4 109.739 C2 C1 Cl5 109.739
Cl3 C1 Cl4 109.203 Cl3 C1 Cl5 109.203
Cl4 C1 Cl5 109.203 Cl6 C2 Cl7 109.203
Cl6 C2 Cl8 109.203 Cl7 C2 Cl8 109.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability