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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: TPSSh/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 TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-2837.384107
Energy at 298.15K 
HF Energy-2837.384107
Nuclear repulsion energy1016.168067
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 TPSSh/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 954 921 0.00 4.06 0.14 0.24
2 A1g 429 414 0.00 25.65 0.02 0.05
3 A1g 214 206 0.00 1.30 0.55 0.71
4 A1u 81 78 0.00 0.00 0.00 0.00
5 A2u 672 648 66.26 0.00 0.00 0.00
6 A2u 371 358 1.03 0.00 0.00 0.00
7 Eg 823 794 0.00 9.54 0.75 0.86
7 Eg 823 794 0.00 9.57 0.75 0.86
8 Eg 334 322 0.00 6.84 0.75 0.86
8 Eg 334 322 0.00 6.84 0.75 0.86
9 Eg 216 208 0.00 3.19 0.75 0.86
9 Eg 216 208 0.00 3.19 0.75 0.86
10 Eu 762 736 236.82 0.00 0.00 0.00
10 Eu 762 736 236.82 0.00 0.00 0.00
11 Eu 269 259 0.00 0.00 0.00 0.00
11 Eu 269 259 0.00 0.00 0.00 0.00
12 Eu 157 151 0.14 0.00 0.00 0.00
12 Eu 157 151 0.14 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 3920.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 3783.7 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 TPSSh/6-31G(2df,p)
ABC
0.02863 0.02358 0.02358

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 1.675 1.390
Cl4 -1.451 -0.838 1.390
Cl5 1.451 -0.838 1.390
Cl6 0.000 -1.675 -1.390
Cl7 -1.451 0.838 -1.390
Cl8 1.451 0.838 -1.390

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58611.77831.77831.77832.75172.75172.7517
C21.58612.75172.75172.75171.77831.77831.7783
Cl31.77832.75172.90142.90144.35353.24583.2458
Cl41.77832.75172.90142.90143.24583.24584.3535
Cl51.77832.75172.90142.90143.24584.35353.2458
Cl62.75171.77834.35353.24583.24582.90142.9014
Cl72.75171.77833.24583.24584.35352.90142.9014
Cl82.75171.77833.24584.35353.24582.90142.9014

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.616 C1 C2 Cl7 109.616
C1 C2 Cl8 109.616 C2 C1 Cl3 109.616
C2 C1 Cl4 109.616 C2 C1 Cl5 109.616
Cl3 C1 Cl4 109.326 Cl3 C1 Cl5 109.326
Cl4 C1 Cl5 109.326 Cl6 C2 Cl7 109.326
Cl6 C2 Cl8 109.326 Cl7 C2 Cl8 109.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.071      
2 C 0.071      
3 Cl -0.024      
4 Cl -0.024      
5 Cl -0.024      
6 Cl -0.024      
7 Cl -0.024      
8 Cl -0.024      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.158 0.000 0.000
y 0.000 14.158 0.000
z 0.000 0.000 12.776


<r2> (average value of r2) Å2
<r2> 543.464
(<r2>)1/2 23.312