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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-2823.333097
Energy at 298.15K 
HF Energy-2823.333097
Nuclear repulsion energy1016.237304
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 PBE1PBE/3-21G
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 949 911 0.00 3.36 0.10 0.18
2 A1g 435 418 0.00 25.76 0.05 0.09
3 A1g 227 218 0.00 1.86 0.67 0.80
4 A1u 85 81 0.00 0.00 0.00 0.00
5 A2u 686 659 49.82 0.00 0.00 0.00
6 A2u 383 368 0.57 0.00 0.00 0.00
7 Eg 834 801 0.00 9.40 0.75 0.86
7 Eg 834 801 0.00 9.40 0.75 0.86
8 Eg 347 333 0.00 9.29 0.75 0.86
8 Eg 347 333 0.00 9.29 0.75 0.86
9 Eg 228 219 0.00 4.96 0.75 0.86
9 Eg 228 219 0.00 4.96 0.75 0.86
10 Eu 771 740 219.02 0.00 0.00 0.00
10 Eu 771 740 219.03 0.00 0.00 0.00
11 Eu 282 271 0.09 0.00 0.00 0.00
11 Eu 282 271 0.09 0.00 0.00 0.00
12 Eu 168 161 0.55 0.00 0.00 0.00
12 Eu 168 161 0.55 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4011.4 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 3852.5 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 PBE1PBE/3-21G
ABC
0.02846 0.02368 0.02368

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

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 1.680 1.382
Cl4 -1.455 -0.840 1.382
Cl5 1.455 -0.840 1.382
Cl6 0.000 -1.680 -1.382
Cl7 -1.455 0.840 -1.382
Cl8 1.455 0.840 -1.382

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58221.78101.78101.78102.74682.74682.7468
C21.58222.74682.74682.74681.78101.78101.7810
Cl31.78102.74682.91012.91014.35093.23453.2345
Cl41.78102.74682.91012.91013.23453.23454.3509
Cl51.78102.74682.91012.91013.23454.35093.2345
Cl62.74681.78104.35093.23453.23452.91012.9101
Cl72.74681.78103.23453.23454.35092.91012.9101
Cl82.74681.78103.23454.35093.23452.91012.9101

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.375 C1 C2 Cl7 109.375
C1 C2 Cl8 109.375 C2 C1 Cl3 109.375
C2 C1 Cl4 109.375 C2 C1 Cl5 109.375
Cl3 C1 Cl4 109.568 Cl3 C1 Cl5 109.568
Cl4 C1 Cl5 109.568 Cl6 C2 Cl7 109.568
Cl6 C2 Cl8 109.568 Cl7 C2 Cl8 109.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.432      
2 C -0.432      
3 Cl 0.144      
4 Cl 0.144      
5 Cl 0.144      
6 Cl 0.144      
7 Cl 0.144      
8 Cl 0.144      


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 -85.478 0.000 0.000
y 0.000 -85.478 0.000
z 0.000 0.000 -87.589
Traceless
 xyz
x 1.056 0.000 0.000
y 0.000 1.056 0.000
z 0.000 0.000 -2.111
Polar
3z2-r2-4.223
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 12.244 0.000 0.000
y 0.000 12.244 0.000
z 0.000 0.000 9.836


<r2> (average value of r2) Å2
<r2> 544.066
(<r2>)1/2 23.325