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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-2833.416884
Energy at 298.15K-2833.418048
HF Energy-2832.551797
Nuclear repulsion energy1022.862067
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 CISD/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 1084 1003 0.00      
2 A1g 470 435 0.00      
3 A1g 241 223 0.00      
4 A1u 94 87 0.00      
5 A2u 748 692 57.85      
6 A2u 412 381 1.39      
7 Eg 972 900 0.00      
7 Eg 972 900 0.00      
8 Eg 371 344 0.00      
8 Eg 371 344 0.00      
9 Eg 245 226 0.00      
9 Eg 245 226 0.00      
10 Eu 878 813 189.95      
10 Eu 878 813 189.95      
11 Eu 305 282 0.13      
11 Eu 305 282 0.13      
12 Eu 180 167 0.24      
12 Eu 180 167 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 4475.2 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 4143.2 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 CISD/6-31G*
ABC
0.02918 0.02380 0.02380

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.788
C2 0.000 0.000 -0.788
Cl3 0.000 1.659 1.388
Cl4 -1.437 -0.830 1.388
Cl5 1.437 -0.830 1.388
Cl6 0.000 -1.659 -1.388
Cl7 -1.437 0.830 -1.388
Cl8 1.437 0.830 -1.388

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.57601.76471.76471.76472.73692.73692.7369
C21.57602.73692.73692.73691.76471.76471.7647
Cl31.76472.73692.87422.87424.32733.23503.2350
Cl41.76472.73692.87422.87423.23503.23504.3273
Cl51.76472.73692.87422.87423.23504.32733.2350
Cl62.73691.76474.32733.23503.23502.87422.8742
Cl72.73691.76473.23503.23504.32732.87422.8742
Cl82.73691.76473.23504.32733.23502.87422.8742

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.894 C1 C2 Cl7 109.894
C1 C2 Cl8 109.894 C2 C1 Cl3 109.894
C2 C1 Cl4 109.894 C2 C1 Cl5 109.894
Cl3 C1 Cl4 109.045 Cl3 C1 Cl5 109.045
Cl4 C1 Cl5 109.045 Cl6 C2 Cl7 109.045
Cl6 C2 Cl8 109.045 Cl7 C2 Cl8 109.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability