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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: CCSD=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-2834.195363
Energy at 298.15K 
HF Energy-2832.590689
Nuclear repulsion energy1025.159816
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=FULL/6-31G(2df,p)
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 1062 1000 0.00      
2 A1g 455 428 0.00      
3 A1g 232 219 0.00      
4 A1u 92 87 0.00      
5 A2u 721 678 44.47      
6 A2u 393 370 1.02      
7 Eg 925 871 0.00      
7 Eg 925 871 0.00      
8 Eg 358 337 0.00      
8 Eg 358 337 0.00      
9 Eg 235 221 0.00      
9 Eg 235 221 0.00      
10 Eu 849 799 166.30      
10 Eu 849 799 166.30      
11 Eu 290 273 0.03      
11 Eu 290 273 0.03      
12 Eu 173 163 0.09      
12 Eu 173 163 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 4306.9 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 4055.4 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=FULL/6-31G(2df,p)
ABC
0.02917 0.02398 0.02398

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.784
C2 0.000 0.000 -0.784
Cl3 0.000 1.660 1.379
Cl4 -1.437 -0.830 1.379
Cl5 1.437 -0.830 1.379
Cl6 0.000 -1.660 -1.379
Cl7 -1.437 0.830 -1.379
Cl8 1.437 0.830 -1.379

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.56901.76291.76291.76292.72702.72702.7270
C21.56902.72702.72702.72701.76291.76291.7629
Cl31.76292.72702.87442.87444.31593.21953.2195
Cl41.76292.72702.87442.87443.21953.21954.3159
Cl51.76292.72702.87442.87443.21954.31593.2195
Cl62.72701.76294.31593.21953.21952.87442.8744
Cl72.72701.76293.21953.21954.31592.87442.8744
Cl82.72701.76293.21954.31593.21952.87442.8744

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.721 C1 C2 Cl7 109.721
C1 C2 Cl8 109.721 C2 C1 Cl3 109.721
C2 C1 Cl4 109.721 C2 C1 Cl5 109.721
Cl3 C1 Cl4 109.220 Cl3 C1 Cl5 109.220
Cl4 C1 Cl5 109.220 Cl6 C2 Cl7 109.220
Cl6 C2 Cl8 109.220 Cl7 C2 Cl8 109.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability