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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-675.083732
Energy at 298.15K-675.086464
HF Energy-675.083732
Nuclear repulsion energy 
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 wB97X-D/6-31G*
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 1455 1380 0.00      
2 A1g 819 777 0.00      
3 A1g 349 331 0.00      
4 A1u 51 49 0.00      
5 A2u 1150 1091 295.63      
6 A2u 715 678 39.65      
7 Eg 1293 1226 0.00      
7 Eg 1292 1226 0.00      
8 Eg 620 588 0.00      
8 Eg 620 588 0.00      
9 Eg 377 358 0.00      
9 Eg 377 358 0.00      
10 Eu 1303 1236 536.80      
10 Eu 1303 1236 536.92      
11 Eu 519 493 4.73      
11 Eu 519 493 4.73      
12 Eu 212 201 2.57      
12 Eu 212 201 2.57      

Unscaled Zero Point Vibrational Energy (zpe) 6592.5 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 6253.0 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 wB97X-D/6-31G*
ABC
0.09437 0.06145 0.06145

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.765
C2 0.000 0.000 -0.765
F3 0.000 1.261 1.200
F4 -1.092 -0.630 1.200
F5 1.092 -0.630 1.200
F6 0.000 -1.261 -1.200
F7 -1.092 0.630 -1.200
F8 1.092 0.630 -1.200

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.53041.33361.33361.33362.33502.33502.3350
C21.53042.33502.33502.33501.33361.33361.3336
F31.33362.33502.18342.18343.48132.71152.7115
F41.33362.33502.18342.18342.71152.71153.4813
F51.33362.33502.18342.18342.71153.48132.7115
F62.33501.33363.48132.71152.71152.18342.1834
F72.33501.33362.71152.71153.48132.18342.1834
F82.33501.33362.71153.48132.71152.18342.1834

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.042 C1 C2 F7 109.042
C1 C2 F8 109.042 C2 C1 F3 109.042
C2 C1 F4 109.042 C2 C1 F5 109.042
F3 C1 F4 109.897 F3 C1 F5 109.897
F4 C1 F5 109.897 F6 C2 F7 109.897
F6 C2 F8 109.897 F7 C2 F8 109.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.753      
2 C 0.753      
3 F -0.251      
4 F -0.251      
5 F -0.251      
6 F -0.251      
7 F -0.251      
8 F -0.251      


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 -40.311 0.000 0.000
y 0.000 -40.311 0.000
z 0.000 0.000 -40.239
Traceless
 xyz
x -0.036 0.000 0.000
y 0.000 -0.036 0.000
z 0.000 0.000 0.072
Polar
3z2-r20.144
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 3.536 0.000 0.000
y 0.000 3.535 -0.001
z 0.000 -0.001 3.455


<r2> (average value of r2) Å2
<r2> 197.809
(<r2>)1/2 14.064