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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: CCSD(T)/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at CCSD(T)/6-31G**
 hartrees
Energy at 0K-2833.723354
Energy at 298.15K 
HF Energy-2832.551477
Nuclear repulsion energy1016.086009
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 CCSD(T)/6-31G**
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 1015 963        
2 A1g 444 421        
3 A1g 230 218        
4 A1u 90 86        
5 A2u 703 667        
6 A2u 391 370        
7 Eg 903 857        
7 Eg 903 857        
8 Eg 352 334        
8 Eg 352 334        
9 Eg 232 220        
9 Eg 232 220        
10 Eu 814 773        
10 Eu 814 773        
11 Eu 290 275        
11 Eu 290 275        
12 Eu 171 162        
12 Eu 171 162        

Unscaled Zero Point Vibrational Energy (zpe) 4200.0 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 3983.7 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 CCSD(T)/6-31G**
ABC
0.02866 0.02356 0.02356

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G**

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.792
C2 0.000 0.000 -0.792
Cl3 0.000 1.674 1.392
Cl4 -1.450 -0.837 1.392
Cl5 1.450 -0.837 1.392
Cl6 0.000 -1.674 -1.392
Cl7 -1.450 0.837 -1.392
Cl8 1.450 0.837 -1.392

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58341.77871.77871.77872.75152.75152.7515
C21.58342.75152.75152.75151.77871.77871.7787
Cl31.77872.75152.90022.90024.35453.24813.2481
Cl41.77872.75152.90022.90023.24813.24814.3545
Cl51.77872.75152.90022.90023.24814.35453.2481
Cl62.75151.77874.35453.24813.24812.90022.9002
Cl72.75151.77873.24813.24814.35452.90022.9002
Cl82.75151.77873.24814.35453.24812.90022.9002

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.712 C1 C2 Cl7 109.712
C1 C2 Cl8 109.712 C2 C1 Cl3 109.712
C2 C1 Cl4 109.712 C2 C1 Cl5 109.712
Cl3 C1 Cl4 109.229 Cl3 C1 Cl5 109.229
Cl4 C1 Cl5 109.229 Cl6 C2 Cl7 109.229
Cl6 C2 Cl8 109.229 Cl7 C2 Cl8 109.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability