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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: QCISD(T)=FULL/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(T)=FULL/6-31+G**
 hartrees
Energy at 0K-2833.818394
Energy at 298.15K 
HF Energy-2832.554605
Nuclear repulsion energy1014.409392
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/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 1003 1003        
2 A1g 440 440        
3 A1g 225 225        
4 A1u 79 79        
5 A2u 699 699        
6 A2u 387 387        
7 Eg 894 894        
7 Eg 894 894        
8 Eg 347 347        
8 Eg 347 347        
9 Eg 222 222        
9 Eg 222 222        
10 Eu 802 802        
10 Eu 802 802        
11 Eu 287 287        
11 Eu 287 287        
12 Eu 162 162        
12 Eu 162 162        

Unscaled Zero Point Vibrational Energy (zpe) 4130.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4130.1 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(T)=FULL/6-31+G**
ABC
0.02871 0.02340 0.02340

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.793
C2 0.000 0.000 -0.793
Cl3 0.000 1.673 1.401
Cl4 -1.449 -0.836 1.401
Cl5 1.449 -0.836 1.401
Cl6 0.000 -1.673 -1.401
Cl7 -1.449 0.836 -1.401
Cl8 1.449 0.836 -1.401

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58601.77981.77981.77982.75872.75872.7587
C21.58602.75872.75872.75871.77981.77981.7798
Cl31.77982.75872.89742.89744.36363.26293.2629
Cl41.77982.75872.89742.89743.26293.26294.3636
Cl51.77982.75872.89742.89743.26294.36363.2629
Cl62.75871.77984.36363.26293.26292.89742.8974
Cl72.75871.77983.26293.26294.36362.89742.8974
Cl82.75871.77983.26294.36363.26292.89742.8974

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.965 C1 C2 Cl7 109.965
C1 C2 Cl8 109.965 C2 C1 Cl3 109.965
C2 C1 Cl4 109.965 C2 C1 Cl5 109.965
Cl3 C1 Cl4 108.973 Cl3 C1 Cl5 108.973
Cl4 C1 Cl5 108.973 Cl6 C2 Cl7 108.973
Cl6 C2 Cl8 108.973 Cl7 C2 Cl8 108.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability