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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-2824.420947
Energy at 298.15K-2824.421643
HF Energy-2824.420947
Nuclear repulsion energy1015.374978
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 mPW1PW91/3-21G*
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 945 897 0.00      
2 A1g 433 411 0.00      
3 A1g 227 215 0.00      
4 A1u 85 80 0.00      
5 A2u 684 650 50.44      
6 A2u 382 362 0.54      
7 Eg 831 789 0.00      
7 Eg 831 789 0.00      
8 Eg 345 328 0.00      
8 Eg 345 328 0.00      
9 Eg 228 216 0.00      
9 Eg 228 216 0.00      
10 Eu 765 727 219.36      
10 Eu 765 727 219.32      
11 Eu 281 267 0.08      
11 Eu 281 267 0.08      
12 Eu 168 159 0.55      
12 Eu 168 159 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 3995.0 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 3793.7 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 mPW1PW91/3-21G*
ABC
0.02843 0.02363 0.02363

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

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 1.681 1.384
Cl4 -1.456 -0.841 1.384
Cl5 1.456 -0.841 1.384
Cl6 0.000 -1.681 -1.384
Cl7 -1.456 0.841 -1.384
Cl8 1.456 0.841 -1.384

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58241.78261.78261.78262.74892.74892.7489
C21.58242.74892.74892.74891.78261.78261.7826
Cl31.78262.74892.91202.91204.35483.23813.2381
Cl41.78262.74892.91202.91203.23813.23814.3548
Cl51.78262.74892.91202.91203.23814.35483.2381
Cl62.74891.78264.35483.23813.23812.91202.9120
Cl72.74891.78263.23813.23814.35482.91202.9120
Cl82.74891.78263.23814.35483.23812.91202.9120

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.414 C1 C2 Cl7 109.414
C1 C2 Cl8 109.414 C2 C1 Cl3 109.414
C2 C1 Cl4 109.414 C2 C1 Cl5 109.414
Cl3 C1 Cl4 109.529 Cl3 C1 Cl5 109.529
Cl4 C1 Cl5 109.529 Cl6 C2 Cl7 109.529
Cl6 C2 Cl8 109.529 Cl7 C2 Cl8 109.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.423      
2 C -0.423      
3 Cl 0.141      
4 Cl 0.141      
5 Cl 0.141      
6 Cl 0.141      
7 Cl 0.141      
8 Cl 0.141      


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 -85.371 0.000 0.000
y 0.000 -85.371 0.000
z 0.000 0.000 -87.471
Traceless
 xyz
x 1.050 0.000 0.000
y 0.000 1.050 0.000
z 0.000 0.000 -2.101
Polar
3z2-r2-4.201
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 12.263 0.000 0.000
y 0.000 12.263 0.000
z 0.000 0.000 9.845


<r2> (average value of r2) Å2
<r2> 544.864
(<r2>)1/2 23.342