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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: B3PW91/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/cc-pVDZ
 hartrees
Energy at 0K-675.056080
Energy at 298.15K-675.058787
Nuclear repulsion energy461.885183
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/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 1429 1379 0.00      
2 A1g 805 777 0.00      
3 A1g 344 332 0.00      
4 A1u 50 48 0.00      
5 A2u 1121 1082 309.07      
6 A2u 708 683 37.39      
7 Eg 1252 1208 0.00      
7 Eg 1252 1208 0.00      
8 Eg 612 590 0.00      
8 Eg 612 590 0.00      
9 Eg 373 360 0.00      
9 Eg 373 360 0.00      
10 Eu 1267 1223 587.65      
10 Eu 1267 1223 587.65      
11 Eu 517 499 4.41      
11 Eu 517 499 4.41      
12 Eu 205 198 2.95      
12 Eu 205 198 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 6453.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 6227.9 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/cc-pVDZ
ABC
0.09408 0.06115 0.06115

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.772
C2 0.000 0.000 -0.772
F3 0.000 1.254 1.227
F4 -1.086 -0.627 1.227
F5 1.086 -0.627 1.227
F6 0.000 -1.254 -1.227
F7 -1.086 0.627 -1.227
F8 1.086 0.627 -1.227

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.54481.33381.33381.33382.36042.36042.3604
C21.54482.36042.36042.36041.33381.33381.3338
F31.33382.36042.17162.17163.50922.75652.7565
F41.33382.36042.17162.17162.75652.75653.5092
F51.33382.36042.17162.17162.75653.50922.7565
F62.36041.33383.50922.75652.75652.17162.1716
F72.36041.33382.75652.75653.50922.17162.1716
F82.36041.33382.75653.50922.75652.17162.1716

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.948 C1 C2 F7 109.948
C1 C2 F8 109.948 C2 C1 F3 109.948
C2 C1 F4 109.948 C2 C1 F5 109.948
F3 C1 F4 108.990 F3 C1 F5 108.990
F4 C1 F5 108.990 F6 C2 F7 108.990
F6 C2 F8 108.990 F7 C2 F8 108.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.443      
2 C 0.443      
3 F -0.148      
4 F -0.148      
5 F -0.148      
6 F -0.148      
7 F -0.148      
8 F -0.148      


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 -40.759 0.000 0.000
y 0.000 -40.759 0.000
z 0.000 0.000 -40.759
Traceless
 xyz
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 -0.000
Polar
3z2-r2-0.000
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 3.403 0.000 0.000
y 0.000 3.403 0.000
z 0.000 0.000 3.211


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