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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-2833.707554
Energy at 298.15K-2833.708417
HF Energy-2832.554782
Nuclear repulsion energy1015.741387
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/6-31+G**
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 1026 970 0.00      
2 A1g 447 423 0.00      
3 A1g 228 216 0.00      
4 A1u 81 76 0.00      
5 A2u 712 673 48.03      
6 A2u 392 371 1.02      
7 Eg 918 868 0.00      
7 Eg 918 868 0.00      
8 Eg 353 333 0.00      
8 Eg 353 333 0.00      
9 Eg 225 213 0.00      
9 Eg 225 213 0.00      
10 Eu 822 778 168.96      
10 Eu 822 778 168.96      
11 Eu 291 275 0.03      
11 Eu 291 275 0.03      
12 Eu 165 156 0.11      
12 Eu 165 156 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 4216.3 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 3986.1 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/6-31+G**
ABC
0.02881 0.02345 0.02345

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

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 1.670 1.400
Cl4 -1.446 -0.835 1.400
Cl5 1.446 -0.835 1.400
Cl6 0.000 -1.670 -1.400
Cl7 -1.446 0.835 -1.400
Cl8 1.446 0.835 -1.400

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58461.77711.77711.77712.75592.75592.7559
C21.58462.75592.75592.75591.77711.77711.7771
Cl31.77712.75592.89232.89234.35833.26033.2603
Cl41.77712.75592.89232.89233.26033.26034.3583
Cl51.77712.75592.89232.89233.26034.35833.2603
Cl62.75591.77714.35833.26033.26032.89232.8923
Cl72.75591.77713.26033.26034.35832.89232.8923
Cl82.75591.77713.26034.35833.26032.89232.8923

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.999 C1 C2 Cl7 109.999
C1 C2 Cl8 109.999 C2 C1 Cl3 109.999
C2 C1 Cl4 109.999 C2 C1 Cl5 109.999
Cl3 C1 Cl4 108.938 Cl3 C1 Cl5 108.938
Cl4 C1 Cl5 108.938 Cl6 C2 Cl7 108.938
Cl6 C2 Cl8 108.938 Cl7 C2 Cl8 108.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability