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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-2819.570571
Energy at 298.15K 
HF Energy-2818.994837
Nuclear repulsion energy973.434458
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 MP4=FULL/3-21G
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 1006 984        
2 A1g 365 357        
3 A1g 204 200        
4 A1u 79 77        
5 A2u 603 590        
6 A2u 328 321        
7 Eg 789 772        
7 Eg 789 772        
8 Eg 312 305        
8 Eg 312 305        
9 Eg 204 200        
9 Eg 204 200        
10 Eu 709 694        
10 Eu 709 694        
11 Eu 248 243        
11 Eu 248 242        
12 Eu 153 150        
12 Eu 153 150        

Unscaled Zero Point Vibrational Energy (zpe) 3705.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 3627.3 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 MP4=FULL/3-21G
ABC
0.02591 0.02184 0.02184

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.771
C2 0.000 0.000 -0.771
Cl3 0.000 1.761 1.435
Cl4 -1.525 -0.880 1.435
Cl5 1.525 -0.880 1.435
Cl6 0.000 -1.761 -1.435
Cl7 -1.525 0.880 -1.435
Cl8 1.525 0.880 -1.435

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.54271.88191.88191.88192.82322.82322.8232
C21.54272.82322.82322.82321.88191.88191.8819
Cl31.88192.82323.04993.04994.54353.36783.3678
Cl41.88192.82323.04993.04993.36783.36784.5435
Cl51.88192.82323.04993.04993.36784.54353.3678
Cl62.82321.88194.54353.36783.36783.04993.0499
Cl72.82321.88193.36783.36784.54353.04993.0499
Cl82.82321.88193.36784.54353.36783.04993.0499

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 110.662 C1 C2 Cl7 110.662
C1 C2 Cl8 110.662 C2 C1 Cl3 110.662
C2 C1 Cl4 110.662 C2 C1 Cl5 110.662
Cl3 C1 Cl4 108.255 Cl3 C1 Cl5 108.255
Cl4 C1 Cl5 108.255 Cl6 C2 Cl7 108.255
Cl6 C2 Cl8 108.255 Cl7 C2 Cl8 108.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability