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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: CCSD(T)/cc-pVDZ

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(T)/cc-pVDZ
 hartrees
Energy at 0K-2833.891792
Energy at 298.15K 
HF Energy-2832.691641
Nuclear repulsion energy1009.965953
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(T)/cc-pVDZ
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 1010 989        
2 A1g 433 423        
3 A1g 224 219        
4 A1u 88 86        
5 A2u 687 672        
6 A2u 379 371        
7 Eg 874 856        
7 Eg 874 856        
8 Eg 344 337        
8 Eg 344 337        
9 Eg 226 221        
9 Eg 226 221        
10 Eu 797 780        
10 Eu 797 780        
11 Eu 282 276        
11 Eu 282 276        
12 Eu 167 163        
12 Eu 166 163        

Unscaled Zero Point Vibrational Energy (zpe) 4099.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 4013.0 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(T)/cc-pVDZ
ABC
0.02830 0.02329 0.02329

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.794
C2 0.000 0.000 -0.794
Cl3 0.000 1.685 1.399
Cl4 -1.459 -0.843 1.399
Cl5 1.459 -0.843 1.399
Cl6 0.000 -1.685 -1.399
Cl7 -1.459 0.843 -1.399
Cl8 1.459 0.843 -1.399

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58891.79041.79041.79042.76632.76632.7663
C21.58892.76632.76632.76631.79041.79041.7904
Cl31.79042.76632.91862.91864.38083.26693.2669
Cl41.79042.76632.91862.91863.26693.26694.3808
Cl51.79042.76632.91862.91863.26694.38083.2669
Cl62.76631.79044.38083.26693.26692.91862.9186
Cl72.76631.79043.26693.26694.38082.91862.9186
Cl82.76631.79043.26694.38083.26692.91862.9186

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.749 C1 C2 Cl7 109.749
C1 C2 Cl8 109.749 C2 C1 Cl3 109.749
C2 C1 Cl4 109.749 C2 C1 Cl5 109.749
Cl3 C1 Cl4 109.192 Cl3 C1 Cl5 109.192
Cl4 C1 Cl5 109.192 Cl6 C2 Cl7 109.192
Cl6 C2 Cl8 109.192 Cl7 C2 Cl8 109.192
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability