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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-2822.401621
Energy at 298.15K 
HF Energy-2822.401621
Nuclear repulsion energy986.399352
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 PBEPBE/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 990 981 0.00 33.74 0.08 0.14
2 A1g 386 383 0.00 37.59 0.03 0.06
3 A1g 207 205 0.00 3.63 0.68 0.81
4 A1u 79 78 0.00 0.00 0.00 0.00
5 A2u 614 608 76.87 0.00 0.00 0.00
6 A2u 338 335 1.00 0.00 0.00 0.00
7 Eg 757 751 0.00 18.16 0.75 0.86
7 Eg 757 751 0.00 18.15 0.75 0.86
8 Eg 312 309 0.00 12.10 0.75 0.86
8 Eg 312 309 0.00 12.10 0.75 0.86
9 Eg 205 203 0.00 8.04 0.75 0.86
9 Eg 205 203 0.00 8.04 0.75 0.86
10 Eu 710 703 278.71 0.00 0.00 0.00
10 Eu 710 703 278.71 0.00 0.00 0.00
11 Eu 251 249 0.34 0.00 0.00 0.00
11 Eu 251 249 0.34 0.00 0.00 0.00
12 Eu 152 150 0.78 0.00 0.00 0.00
12 Eu 152 150 0.78 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 3694.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3660.6 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 PBEPBE/3-21G
ABC
0.02642 0.02253 0.02253

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.773
C2 0.000 0.000 -0.773
Cl3 0.000 1.744 1.406
Cl4 -1.510 -0.872 1.406
Cl5 1.510 -0.872 1.406
Cl6 0.000 -1.744 -1.406
Cl7 -1.510 0.872 -1.406
Cl8 1.510 0.872 -1.406

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.54651.85511.85511.85512.79132.79132.7913
C21.54652.79132.79132.79131.85511.85511.8551
Cl31.85512.79133.02023.02024.48043.30943.3094
Cl41.85512.79133.02023.02023.30943.30944.4804
Cl51.85512.79133.02023.02023.30944.48043.3094
Cl62.79131.85514.48043.30943.30943.02023.0202
Cl72.79131.85513.30943.30944.48043.02023.0202
Cl82.79131.85513.30944.48043.30943.02023.0202

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.955 C1 C2 Cl7 109.955
C1 C2 Cl8 109.955 C2 C1 Cl3 109.955
C2 C1 Cl4 109.955 C2 C1 Cl5 109.955
Cl3 C1 Cl4 108.983 Cl3 C1 Cl5 108.983
Cl4 C1 Cl5 108.983 Cl6 C2 Cl7 108.983
Cl6 C2 Cl8 108.983 Cl7 C2 Cl8 108.983
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.614      
2 C -0.614      
3 Cl 0.205      
4 Cl 0.205      
5 Cl 0.205      
6 Cl 0.205      
7 Cl 0.205      
8 Cl 0.205      


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 -87.198 0.000 0.000
y 0.000 -87.198 0.000
z 0.000 0.000 -88.752
Traceless
 xyz
x 0.777 0.000 0.000
y 0.000 0.777 0.000
z 0.000 0.000 -1.554
Polar
3z2-r2-3.109
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 12.980 0.000 0.000
y 0.000 12.980 0.000
z 0.000 0.000 9.349


<r2> (average value of r2) Å2
<r2> 573.849
(<r2>)1/2 23.955