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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-156.470825
Energy at 298.15K-156.473447
Nuclear repulsion energy257.186170
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 B3LYP/CEP-121G*
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 1395 1352 0.00      
2 A1g 789 765 0.00      
3 A1g 335 325 0.00      
4 A1u 59 57 0.00      
5 A2u 1093 1060 298.16      
6 A2u 693 672 37.47      
7 Eg 1219 1182 0.00      
7 Eg 1219 1182 0.00      
8 Eg 598 579 0.00      
8 Eg 598 579 0.00      
9 Eg 365 354 0.00      
9 Eg 365 354 0.00      
10 Eu 1229 1191 573.64      
10 Eu 1229 1191 573.62      
11 Eu 503 488 4.16      
11 Eu 503 488 4.16      
12 Eu 210 203 2.98      
12 Eu 210 203 2.98      

Unscaled Zero Point Vibrational Energy (zpe) 6304.6 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 6111.7 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 B3LYP/CEP-121G*
ABC
0.09224 0.05969 0.05969

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.785
C2 0.000 0.000 -0.785
F3 0.000 1.266 1.244
F4 -1.097 -0.633 1.244
F5 1.097 -0.633 1.244
F6 0.000 -1.266 -1.244
F7 -1.097 0.633 -1.244
F8 1.097 0.633 -1.244

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.57001.34671.34671.34672.39132.39132.3913
C21.57002.39132.39132.39131.34671.34671.3467
F31.34672.39132.19312.19313.54952.79082.7908
F41.34672.39132.19312.19312.79082.79083.5495
F51.34672.39132.19312.19312.79083.54952.7908
F62.39131.34673.54952.79082.79082.19312.1931
F72.39131.34672.79082.79083.54952.19312.1931
F82.39131.34672.79083.54952.79082.19312.1931

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.906 C1 C2 F7 109.906
C1 C2 F8 109.906 C2 C1 F3 109.906
C2 C1 F4 109.906 C2 C1 F5 109.906
F3 C1 F4 109.033 F3 C1 F5 109.033
F4 C1 F5 109.033 F6 C2 F7 109.033
F6 C2 F8 109.033 F7 C2 F8 109.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.524      
2 C 0.524      
3 F -0.175      
4 F -0.175      
5 F -0.175      
6 F -0.175      
7 F -0.175      
8 F -0.175      


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 -41.762 0.000 0.000
y 0.000 -41.762 0.000
z 0.000 0.000 -41.709
Traceless
 xyz
x -0.026 0.000 0.000
y 0.000 -0.026 0.000
z 0.000 0.000 0.053
Polar
3z2-r20.106
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 4.021 0.000 0.000
y 0.000 4.021 -0.000
z 0.000 -0.000 3.982


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