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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-156.284550
Energy at 298.15K-156.286849
Nuclear repulsion energy250.530424
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
(Å4/u)
Dep P Dep U
1 A1g 1305 1272 0.00      
2 A1g 719 700 0.00      
3 A1g 320 311 0.00      
4 A1u 54 53 0.00      
5 A2u 1019 993 265.97      
6 A2u 624 608 47.09      
7 Eg 1124 1095 0.00      
7 Eg 1124 1095 0.00      
8 Eg 553 538 0.00      
8 Eg 552 538 0.00      
9 Eg 335 327 0.00      
9 Eg 335 327 0.00      
10 Eu 1132 1103 470.83      
10 Eu 1132 1103 470.83      
11 Eu 455 444 8.15      
11 Eu 455 444 8.15      
12 Eu 200 195 4.67      
12 Eu 200 195 4.68      

Unscaled Zero Point Vibrational Energy (zpe) 5819.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 5670.6 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 B3LYP/CEP-121G
ABC
0.08664 0.05717 0.05717

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 0.786
C2 0.000 0.000 -0.786
F3 0.000 1.306 1.266
F4 -1.131 -0.653 1.266
F5 1.131 -0.653 1.266
F6 0.000 -1.306 -1.266
F7 -1.131 0.653 -1.266
F8 1.131 0.653 -1.266

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.57171.39201.39201.39202.43262.43262.4326
C21.57172.43262.43262.43261.39201.39201.3920
F31.39202.43262.26292.26293.63872.84942.8494
F41.39202.43262.26292.26292.84942.84943.6387
F51.39202.43262.26292.26292.84943.63872.8494
F62.43261.39203.63872.84942.84942.26292.2629
F72.43261.39202.84942.84943.63872.26292.2629
F82.43261.39202.84943.63872.84942.26292.2629

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 110.183 C1 C2 F7 110.183
C1 C2 F8 110.183 C2 C1 F3 110.183
C2 C1 F4 110.183 C2 C1 F5 110.183
F3 C1 F4 108.750 F3 C1 F5 108.750
F4 C1 F5 108.750 F6 C2 F7 108.750
F6 C2 F8 108.750 F7 C2 F8 108.750
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 0.306      
2 C 0.306      
3 F -0.102      
4 F -0.102      
5 F -0.102      
6 F -0.102      
7 F -0.102      
8 F -0.102      


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 -44.235 0.000 0.000
y 0.000 -44.235 0.000
z 0.000 0.000 -43.989
Traceless
 xyz
x -0.123 0.000 0.000
y 0.000 -0.123 0.000
z 0.000 0.000 0.246
Polar
3z2-r20.492
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 3.995 0.000 0.000
y 0.000 3.995 -0.000
z 0.000 -0.000 3.539


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