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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: mPW1PW91/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at mPW1PW91/Def2TZVPP
 hartrees
Energy at 0K-2837.591827
Energy at 298.15K 
HF Energy-2837.591827
Nuclear repulsion energy1023.400195
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 mPW1PW91/Def2TZVPP
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 984 984 0.00 3.94 0.30 0.46
2 A1g 444 444 0.00 21.69 0.03 0.05
3 A1g 222 222 0.00 1.01 0.52 0.68
4 A1u 82 82 0.00 0.00 0.00 0.00
5 A2u 698 698 54.17 0.00 0.00 0.00
6 A2u 384 384 0.77 0.00 0.00 0.00
7 Eg 862 862 0.00 10.94 0.75 0.86
7 Eg 862 862 0.00 10.95 0.75 0.86
8 Eg 344 344 0.00 6.39 0.75 0.86
8 Eg 344 344 0.00 6.39 0.75 0.86
9 Eg 224 224 0.00 3.11 0.75 0.86
9 Eg 224 224 0.00 3.11 0.75 0.86
10 Eu 792 792 210.80 0.00 0.00 0.00
10 Eu 792 792 210.80 0.00 0.00 0.00
11 Eu 279 279 0.01 0.00 0.00 0.00
11 Eu 279 279 0.01 0.00 0.00 0.00
12 Eu 164 164 0.11 0.00 0.00 0.00
12 Eu 164 164 0.11 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4071.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4071.1 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 mPW1PW91/Def2TZVPP
ABC
0.02912 0.02387 0.02387

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/Def2TZVPP

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.789
C2 0.000 0.000 -0.789
Cl3 0.000 1.661 1.384
Cl4 -1.438 -0.830 1.384
Cl5 1.438 -0.830 1.384
Cl6 0.000 -1.661 -1.384
Cl7 -1.438 0.830 -1.384
Cl8 1.438 0.830 -1.384

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.57831.76421.76421.76422.73502.73502.7350
C21.57832.73502.73502.73501.76421.76421.7642
Cl31.76422.73502.87692.87694.32373.22773.2277
Cl41.76422.73502.87692.87693.22773.22774.3237
Cl51.76422.73502.87692.87693.22774.32373.2277
Cl62.73501.76424.32373.22773.22772.87692.8769
Cl72.73501.76423.22773.22774.32372.87692.8769
Cl82.73501.76423.22774.32373.22772.87692.8769

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.696 C1 C2 Cl7 109.696
C1 C2 Cl8 109.696 C2 C1 Cl3 109.696
C2 C1 Cl4 109.696 C2 C1 Cl5 109.696
Cl3 C1 Cl4 109.246 Cl3 C1 Cl5 109.246
Cl4 C1 Cl5 109.246 Cl6 C2 Cl7 109.246
Cl6 C2 Cl8 109.246 Cl7 C2 Cl8 109.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.093      
2 C 0.093      
3 Cl -0.031      
4 Cl -0.031      
5 Cl -0.031      
6 Cl -0.031      
7 Cl -0.031      
8 Cl -0.031      


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 -83.613 0.000 0.000
y 0.000 -83.613 0.000
z 0.000 0.000 -85.756
Traceless
 xyz
x 1.072 0.000 0.000
y 0.000 1.072 0.000
z 0.000 0.000 -2.144
Polar
3z2-r2-4.287
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 14.470 0.000 0.000
y 0.000 14.470 -0.000
z 0.000 -0.000 12.998


<r2> (average value of r2) Å2
<r2> 536.856
(<r2>)1/2 23.170