return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: wB97X-D/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 wB97X-D/6-31G
 hartrees
Energy at 0K-2837.072235
Energy at 298.15K 
HF Energy-2837.072235
Nuclear repulsion energy992.309233
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 wB97X-D/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 1035 1035 0.00 15.01 0.01 0.02
2 A1g 420 420 0.00 31.24 0.05 0.10
3 A1g 220 220 0.00 3.01 0.64 0.78
4 A1u 80 80 0.00 0.00 0.00 0.00
5 A2u 673 673 61.06 0.00 0.00 0.00
6 A2u 369 369 1.66 0.00 0.00 0.00
7 Eg 848 848 0.00 19.88 0.75 0.86
7 Eg 847 847 0.00 19.88 0.75 0.86
8 Eg 339 339 0.00 12.84 0.75 0.86
8 Eg 339 339 0.00 12.83 0.75 0.86
9 Eg 219 219 0.00 6.95 0.75 0.86
9 Eg 219 219 0.00 6.95 0.75 0.86
10 Eu 769 769 206.75 0.00 0.00 0.00
10 Eu 769 769 206.98 0.00 0.00 0.00
11 Eu 275 275 0.64 0.00 0.00 0.00
11 Eu 275 275 0.64 0.00 0.00 0.00
12 Eu 161 161 0.63 0.00 0.00 0.00
12 Eu 161 161 0.63 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4008.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4008.4 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 wB97X-D/6-31G
ABC
0.02717 0.02257 0.02257

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.779
C2 0.000 0.000 -0.779
Cl3 0.000 1.720 1.419
Cl4 -1.489 -0.860 1.419
Cl5 1.489 -0.860 1.419
Cl6 0.000 -1.720 -1.419
Cl7 -1.489 0.860 -1.419
Cl8 1.489 0.860 -1.419

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.55741.83501.83501.83502.79032.79032.7903
C21.55742.79032.79032.79031.83501.83501.8350
Cl31.83502.79032.97872.97874.45873.31773.3177
Cl41.83502.79032.97872.97873.31773.31774.4587
Cl51.83502.79032.97872.97873.31774.45873.3177
Cl62.79031.83504.45873.31773.31772.97872.9787
Cl72.79031.83503.31773.31774.45872.97872.9787
Cl82.79031.83503.31774.45873.31772.97872.9787

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 110.409 C1 C2 Cl7 110.409
C1 C2 Cl8 110.409 C2 C1 Cl3 110.409
C2 C1 Cl4 110.409 C2 C1 Cl5 110.409
Cl3 C1 Cl4 108.517 Cl3 C1 Cl5 108.517
Cl4 C1 Cl5 108.517 Cl6 C2 Cl7 108.517
Cl6 C2 Cl8 108.517 Cl7 C2 Cl8 108.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.565      
2 C -0.565      
3 Cl 0.188      
4 Cl 0.188      
5 Cl 0.188      
6 Cl 0.188      
7 Cl 0.188      
8 Cl 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -86.855 0.000 0.000
y 0.000 -86.855 0.000
z 0.000 0.000 -88.286
Traceless
 xyz
x 0.716 0.000 0.000
y 0.000 0.716 0.000
z 0.000 0.000 -1.432
Polar
3z2-r2-2.863
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.400 0.000 0.000
y 0.000 12.396 -0.002
z 0.000 -0.002 8.968


<r2> (average value of r2) Å2
<r2> 568.767
(<r2>)1/2 23.849