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(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 wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-2837.250867
Energy at 298.15K 
HF Energy-2837.250867
Nuclear repulsion energy1018.118939
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(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 995 995 0.00 3.66 0.31 0.47
2 A1g 444 444 0.00 22.18 0.03 0.05
3 A1g 225 225 0.00 1.17 0.52 0.69
4 A1u 84 84 0.00 0.00 0.00 0.00
5 A2u 703 703 55.76 0.00 0.00 0.00
6 A2u 385 385 1.03 0.00 0.00 0.00
7 Eg 885 885 0.00 9.05 0.75 0.86
7 Eg 885 885 0.00 9.06 0.75 0.86
8 Eg 347 347 0.00 6.03 0.75 0.86
8 Eg 347 347 0.00 6.02 0.75 0.86
9 Eg 226 226 0.00 2.87 0.75 0.86
9 Eg 226 226 0.00 2.86 0.75 0.86
10 Eu 810 810 205.32 0.00 0.00 0.00
10 Eu 810 810 205.35 0.00 0.00 0.00
11 Eu 282 282 0.01 0.00 0.00 0.00
11 Eu 282 282 0.01 0.00 0.00 0.00
12 Eu 167 167 0.10 0.00 0.00 0.00
12 Eu 167 167 0.10 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4135.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4135.1 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 wB97X-D/6-31G(2df,p)
ABC
0.02891 0.02358 0.02358

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

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 1.667 1.395
Cl4 -1.444 -0.833 1.395
Cl5 1.444 -0.833 1.395
Cl6 0.000 -1.667 -1.395
Cl7 -1.444 0.833 -1.395
Cl8 1.444 0.833 -1.395

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58691.77221.77221.77222.75112.75112.7511
C21.58692.75112.75112.75111.77221.77221.7722
Cl31.77222.75112.88732.88734.34743.25023.2502
Cl41.77222.75112.88732.88733.25023.25024.3474
Cl51.77222.75112.88732.88733.25024.34743.2502
Cl62.75111.77224.34743.25023.25022.88732.8873
Cl72.75111.77223.25023.25024.34742.88732.8873
Cl82.75111.77223.25024.34743.25022.88732.8873

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.845 C1 C2 Cl7 109.845
C1 C2 Cl8 109.845 C2 C1 Cl3 109.845
C2 C1 Cl4 109.845 C2 C1 Cl5 109.845
Cl3 C1 Cl4 109.095 Cl3 C1 Cl5 109.095
Cl4 C1 Cl5 109.095 Cl6 C2 Cl7 109.095
Cl6 C2 Cl8 109.095 Cl7 C2 Cl8 109.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.102      
2 C 0.102      
3 Cl -0.034      
4 Cl -0.034      
5 Cl -0.034      
6 Cl -0.034      
7 Cl -0.034      
8 Cl -0.034      


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 -83.698 0.000 0.000
y 0.000 -83.698 0.000
z 0.000 0.000 -85.629
Traceless
 xyz
x 0.965 0.000 0.000
y 0.000 0.965 0.000
z 0.000 0.000 -1.931
Polar
3z2-r2-3.862
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 13.752 0.000 0.000
y 0.000 13.747 -0.003
z 0.000 -0.003 12.368


<r2> (average value of r2) Å2
<r2> 542.190
(<r2>)1/2 23.285