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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-672.637254
Energy at 298.15K-672.640500
Nuclear repulsion energy471.192277
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/6-311+G(3df,2p)
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 1591 1446 0.00      
2 A1g 896 814 0.00      
3 A1g 379 345 0.00      
4 A1u 78 71 0.00      
5 A2u 1237 1124 365.11      
6 A2u 790 718 49.08      
7 Eg 1404 1276 0.00      
7 Eg 1404 1276 0.00      
8 Eg 682 620 0.00      
8 Eg 682 620 0.00      
9 Eg 421 382 0.00      
9 Eg 421 382 0.00      
10 Eu 1412 1283 620.81      
10 Eu 1412 1283 620.81      
11 Eu 576 523 6.96      
11 Eu 576 523 6.96      
12 Eu 236 214 3.08      
12 Eu 236 214 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 7216.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 6556.6 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 HF/6-311+G(3df,2p)
ABC
0.09863 0.06323 0.06323

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.769
C2 0.000 0.000 -0.769
F3 0.000 1.224 1.210
F4 -1.060 -0.612 1.210
F5 1.060 -0.612 1.210
F6 0.000 -1.224 -1.210
F7 -1.060 0.612 -1.210
F8 1.060 0.612 -1.210

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.53851.30151.30151.30152.32762.32762.3276
C21.53852.32762.32762.32761.30151.30151.3015
F31.30152.32762.12092.12093.44332.71262.7126
F41.30152.32762.12092.12092.71262.71263.4433
F51.30152.32762.12092.12092.71263.44332.7126
F62.32761.30153.44332.71262.71262.12092.1209
F72.32761.30152.71262.71263.44332.12092.1209
F82.32761.30152.71263.44332.71262.12092.1209

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.806 C1 C2 F7 109.806
C1 C2 F8 109.806 C2 C1 F3 109.806
C2 C1 F4 109.806 C2 C1 F5 109.806
F3 C1 F4 109.134 F3 C1 F5 109.134
F4 C1 F5 109.134 F6 C2 F7 109.134
F6 C2 F8 109.134 F7 C2 F8 109.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.756      
2 C 1.756      
3 F -0.585      
4 F -0.585      
5 F -0.585      
6 F -0.585      
7 F -0.585      
8 F -0.585      


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 -41.793 0.000 0.000
y 0.000 -41.793 0.000
z 0.000 0.000 -41.417
Traceless
 xyz
x -0.188 0.000 0.000
y 0.000 -0.188 0.000
z 0.000 0.000 0.377
Polar
3z2-r20.753
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 4.039 0.000 0.000
y 0.000 4.039 0.000
z 0.000 0.000 4.062


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000