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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-675.111020
Energy at 298.15K-675.113708
Nuclear repulsion energy460.677343
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 B3PW91/aug-cc-pVDZ
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 1404 1354 0.00      
2 A1g 795 767 0.00      
3 A1g 341 328 0.00      
4 A1u 62 60 0.00      
5 A2u 1100 1061 273.76      
6 A2u 697 673 34.93      
7 Eg 1210 1167 0.00      
7 Eg 1210 1167 0.00      
8 Eg 603 582 0.00      
8 Eg 603 582 0.00      
9 Eg 369 356 0.00      
9 Eg 369 356 0.00      
10 Eu 1230 1186 545.78      
10 Eu 1229 1186 545.83      
11 Eu 506 488 3.52      
11 Eu 506 488 3.52      
12 Eu 208 200 2.21      
12 Eu 208 200 2.21      

Unscaled Zero Point Vibrational Energy (zpe) 6324.6 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 6100.7 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 B3PW91/aug-cc-pVDZ
ABC
0.09355 0.06085 0.06085

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.775
C2 0.000 0.000 -0.775
F3 0.000 1.257 1.230
F4 -1.089 -0.629 1.230
F5 1.089 -0.629 1.230
F6 0.000 -1.257 -1.230
F7 -1.089 0.629 -1.230
F8 1.089 0.629 -1.230

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.55061.33711.33711.33712.36702.36702.3670
C21.55062.36702.36702.36701.33711.33711.3371
F31.33712.36702.17782.17783.51802.76292.7629
F41.33712.36702.17782.17782.76292.76293.5180
F51.33712.36702.17782.17782.76293.51802.7629
F62.36701.33713.51802.76292.76292.17782.1778
F72.36701.33712.76292.76293.51802.17782.1778
F82.36701.33712.76293.51802.76292.17782.1778

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.888 C1 C2 F7 109.888
C1 C2 F8 109.888 C2 C1 F3 109.888
C2 C1 F4 109.888 C2 C1 F5 109.888
F3 C1 F4 109.052 F3 C1 F5 109.052
F4 C1 F5 109.052 F6 C2 F7 109.052
F6 C2 F8 109.052 F7 C2 F8 109.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.226      
2 C 1.226      
3 F -0.409      
4 F -0.409      
5 F -0.409      
6 F -0.409      
7 F -0.409      
8 F -0.409      


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 -41.864 0.000 0.000
y 0.000 -41.864 0.000
z 0.000 0.000 -41.654
Traceless
 xyz
x -0.105 0.000 0.000
y 0.000 -0.105 0.000
z 0.000 0.000 0.210
Polar
3z2-r20.420
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 4.777 0.000 0.000
y 0.000 4.778 0.000
z 0.000 0.000 4.755


<r2> (average value of r2) Å2
<r2> 200.400
(<r2>)1/2 14.156