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: HSEh1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-2836.566603
Energy at 298.15K 
HF Energy-2836.566603
Nuclear repulsion energy1018.865764
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 HSEh1PBE/6-311G**
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 981 942 0.00 3.17 0.14 0.24
2 A1g 443 426 0.00 22.84 0.04 0.08
3 A1g 231 222 0.00 2.09 0.65 0.79
4 A1u 88 85 0.00 0.00 0.00 0.00
5 A2u 694 666 70.48 0.00 0.00 0.00
6 A2u 389 374 0.38 0.00 0.00 0.00
7 Eg 863 829 0.00 11.93 0.75 0.86
7 Eg 863 829 0.00 11.93 0.75 0.86
8 Eg 348 334 0.00 9.15 0.75 0.86
8 Eg 348 334 0.00 9.15 0.75 0.86
9 Eg 232 222 0.00 4.92 0.75 0.86
9 Eg 232 222 0.00 4.92 0.75 0.86
10 Eu 786 755 260.21 0.00 0.00 0.00
10 Eu 786 755 260.19 0.00 0.00 0.00
11 Eu 290 278 0.14 0.00 0.00 0.00
11 Eu 290 278 0.14 0.00 0.00 0.00
12 Eu 171 164 0.33 0.00 0.00 0.00
12 Eu 171 164 0.33 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4102.8 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 3940.3 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 HSEh1PBE/6-311G**
ABC
0.02886 0.02367 0.02367

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.791
C2 0.000 0.000 -0.791
Cl3 0.000 1.669 1.390
Cl4 -1.445 -0.834 1.390
Cl5 1.445 -0.834 1.390
Cl6 0.000 -1.669 -1.390
Cl7 -1.445 0.834 -1.390
Cl8 1.445 0.834 -1.390

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58221.77271.77271.77272.74592.74592.7459
C21.58222.74592.74592.74591.77271.77271.7727
Cl31.77272.74592.89002.89004.34303.24183.2418
Cl41.77272.74592.89002.89003.24183.24184.3430
Cl51.77272.74592.89002.89003.24184.34303.2418
Cl62.74591.77274.34303.24183.24182.89002.8900
Cl72.74591.77273.24183.24184.34302.89002.8900
Cl82.74591.77273.24184.34303.24182.89002.8900

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.737 C1 C2 Cl7 109.737
C1 C2 Cl8 109.737 C2 C1 Cl3 109.737
C2 C1 Cl4 109.737 C2 C1 Cl5 109.737
Cl3 C1 Cl4 109.204 Cl3 C1 Cl5 109.204
Cl4 C1 Cl5 109.204 Cl6 C2 Cl7 109.204
Cl6 C2 Cl8 109.204 Cl7 C2 Cl8 109.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.365      
2 C -0.365      
3 Cl 0.122      
4 Cl 0.122      
5 Cl 0.122      
6 Cl 0.122      
7 Cl 0.122      
8 Cl 0.122      


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 -85.711 0.000 0.000
y 0.000 -85.711 0.000
z 0.000 0.000 -88.653
Traceless
 xyz
x 1.471 0.000 0.000
y 0.000 1.471 0.000
z 0.000 0.000 -2.942
Polar
3z2-r2-5.884
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 13.190 0.000 0.000
y 0.000 13.189 -0.000
z 0.000 -0.000 10.585


<r2> (average value of r2) Å2
<r2> 542.629
(<r2>)1/2 23.294