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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-2836.309780
Energy at 298.15K 
HF Energy-2836.309780
Nuclear repulsion energy1022.593766
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/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 996 953 0.00 3.41 0.19 0.32
2 A1g 447 428 0.00 22.56 0.03 0.05
3 A1g 223 213 0.00 1.13 0.55 0.71
4 A1u 83 80 0.00 0.00 0.00 0.00
5 A2u 701 670 57.77 0.00 0.00 0.00
6 A2u 385 369 1.06 0.00 0.00 0.00
7 Eg 872 835 0.00 8.82 0.75 0.86
7 Eg 872 835 0.00 8.83 0.75 0.86
8 Eg 347 332 0.00 5.90 0.75 0.86
8 Eg 347 332 0.00 5.90 0.75 0.86
9 Eg 224 215 0.00 2.91 0.75 0.86
9 Eg 224 215 0.00 2.91 0.75 0.86
10 Eu 807 772 217.28 0.00 0.00 0.00
10 Eu 807 772 217.27 0.00 0.00 0.00
11 Eu 280 268 0.00 0.00 0.00 0.00
11 Eu 280 268 0.00 0.00 0.00 0.00
12 Eu 164 157 0.11 0.00 0.00 0.00
12 Eu 164 157 0.11 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4110.7 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 3933.9 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/6-31G(2df,p)
ABC
0.02907 0.02384 0.02384

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.790
C2 0.000 0.000 -0.790
Cl3 0.000 1.662 1.385
Cl4 -1.440 -0.831 1.385
Cl5 1.440 -0.831 1.385
Cl6 0.000 -1.662 -1.385
Cl7 -1.440 0.831 -1.385
Cl8 1.440 0.831 -1.385

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58081.76541.76541.76542.73762.73762.7376
C21.58082.73762.73762.73761.76541.76541.7654
Cl31.76542.73762.87942.87944.32703.22993.2299
Cl41.76542.73762.87942.87943.22993.22994.3270
Cl51.76542.73762.87942.87943.22994.32703.2299
Cl62.73761.76544.32703.22993.22992.87942.8794
Cl72.73761.76543.22993.22994.32702.87942.8794
Cl82.73761.76543.22994.32703.22992.87942.8794

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.669 C1 C2 Cl7 109.669
C1 C2 Cl8 109.669 C2 C1 Cl3 109.669
C2 C1 Cl4 109.669 C2 C1 Cl5 109.669
Cl3 C1 Cl4 109.272 Cl3 C1 Cl5 109.272
Cl4 C1 Cl5 109.272 Cl6 C2 Cl7 109.272
Cl6 C2 Cl8 109.272 Cl7 C2 Cl8 109.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.053      
2 C 0.053      
3 Cl -0.018      
4 Cl -0.018      
5 Cl -0.018      
6 Cl -0.018      
7 Cl -0.018      
8 Cl -0.018      


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 -83.634 0.000 0.000
y 0.000 -83.634 0.000
z 0.000 0.000 -85.599
Traceless
 xyz
x 0.983 0.000 0.000
y 0.000 0.983 0.000
z 0.000 0.000 -1.965
Polar
3z2-r2-3.930
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 13.826 0.000 0.000
y 0.000 13.826 0.000
z 0.000 0.000 12.506


<r2> (average value of r2) Å2
<r2> 537.586
(<r2>)1/2 23.186