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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: HF/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at HF/cc-pV(T+d)Z
 hartrees
Energy at 0K-2832.815555
Energy at 298.15K 
HF Energy-2832.815555
Nuclear repulsion energy1021.993164
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 HF/cc-pV(T+d)Z
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 1099 1000 0.00 7.82 0.51 0.67
2 A1g 467 425 0.00 23.56 0.03 0.06
3 A1g 239 218 0.00 1.19 0.49 0.65
4 A1u 91 83 0.00 0.00 0.00 0.00
5 A2u 750 683 59.13 0.00 0.00 0.00
6 A2u 409 372 0.94 0.00 0.00 0.00
7 Eg 971 884 0.00 20.77 0.75 0.86
7 Eg 971 884 0.00 20.77 0.75 0.86
8 Eg 370 336 0.00 7.22 0.75 0.86
8 Eg 370 336 0.00 7.22 0.75 0.86
9 Eg 244 222 0.00 3.06 0.75 0.86
9 Eg 244 222 0.00 3.06 0.75 0.86
10 Eu 875 796 190.20 0.00 0.00 0.00
10 Eu 875 796 190.20 0.00 0.00 0.00
11 Eu 302 275 0.00 0.00 0.00 0.00
11 Eu 302 275 0.00 0.00 0.00 0.00
12 Eu 179 163 0.07 0.00 0.00 0.00
12 Eu 179 163 0.07 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4467.2 cm-1
Scaled (by 0.9103) Zero Point Vibrational Energy (zpe) 4066.5 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 HF/cc-pV(T+d)Z
ABC
0.02929 0.02367 0.02367

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pV(T+d)Z

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.788
C2 0.000 0.000 -0.788
Cl3 0.000 1.656 1.397
Cl4 -1.434 -0.828 1.397
Cl5 1.434 -0.828 1.397
Cl6 0.000 -1.656 -1.397
Cl7 -1.434 0.828 -1.397
Cl8 1.434 0.828 -1.397

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.57611.76461.76461.76462.74182.74182.7418
C21.57612.74182.74182.74181.76461.76461.7646
Cl31.76462.74182.86852.86854.33343.24813.2481
Cl41.76462.74182.86852.86853.24813.24814.3334
Cl51.76462.74182.86852.86853.24814.33343.2481
Cl62.74181.76464.33343.24813.24812.86852.8685
Cl72.74181.76463.24813.24814.33342.86852.8685
Cl82.74181.76463.24814.33343.24812.86852.8685

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 110.190 C1 C2 Cl7 110.190
C1 C2 Cl8 110.190 C2 C1 Cl3 110.190
C2 C1 Cl4 110.190 C2 C1 Cl5 110.190
Cl3 C1 Cl4 108.743 Cl3 C1 Cl5 108.743
Cl4 C1 Cl5 108.743 Cl6 C2 Cl7 108.743
Cl6 C2 Cl8 108.743 Cl7 C2 Cl8 108.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.180      
2 C 0.180      
3 Cl -0.060      
4 Cl -0.060      
5 Cl -0.060      
6 Cl -0.060      
7 Cl -0.060      
8 Cl -0.060      


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 -85.130 0.000 0.000
y 0.000 -85.130 0.000
z 0.000 0.000 -87.229
Traceless
 xyz
x 1.049 0.000 0.000
y 0.000 1.049 0.000
z 0.000 0.000 -2.098
Polar
3z2-r2-4.196
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 13.590 0.000 0.000
y 0.000 13.590 0.000
z 0.000 0.000 11.916


<r2> (average value of r2) Å2
<r2> 539.915
(<r2>)1/2 23.236