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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-674.918350
Energy at 298.15K-674.920872
HF Energy-674.918350
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 B97D3/6-31G*
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 1360 1333 0.00      
2 A1g 773 758 0.00      
3 A1g 335 328 0.00      
4 A1u 51 50 0.00      
5 A2u 1086 1065 283.15      
6 A2u 681 668 30.66      
7 Eg 1204 1181 0.00      
7 Eg 1204 1181 0.00      
8 Eg 590 578 0.00      
8 Eg 590 578 0.00      
9 Eg 361 354 0.00      
9 Eg 361 354 0.00      
10 Eu 1214 1190 521.44      
10 Eu 1214 1190 521.32      
11 Eu 496 486 2.80      
11 Eu 496 486 2.80      
12 Eu 206 202 2.16      
12 Eu 206 202 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 6213.1 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 6091.3 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 B97D3/6-31G*
ABC
0.09209 0.06013 0.06013

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.779
C2 0.000 0.000 -0.779
F3 0.000 1.267 1.237
F4 -1.097 -0.634 1.237
F5 1.097 -0.634 1.237
F6 0.000 -1.267 -1.237
F7 -1.097 0.634 -1.237
F8 1.097 0.634 -1.237

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.55741.34741.34741.34742.38062.38062.3806
C21.55742.38062.38062.38061.34741.34741.3474
F31.34742.38062.19492.19493.54112.77892.7789
F41.34742.38062.19492.19492.77892.77893.5411
F51.34742.38062.19492.19492.77893.54112.7789
F62.38061.34743.54112.77892.77892.19492.1949
F72.38061.34742.77892.77893.54112.19492.1949
F82.38061.34742.77893.54112.77892.19492.1949

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.848 C1 C2 F7 108.848
C1 C2 F8 108.848 C2 C1 F3 108.848
C2 C1 F4 108.848 C2 C1 F5 108.848
F3 C1 F4 110.087 F3 C1 F5 110.087
F4 C1 F5 110.087 F6 C2 F7 110.087
F6 C2 F8 110.087 F7 C2 F8 110.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.703      
2 C 0.703      
3 F -0.234      
4 F -0.234      
5 F -0.234      
6 F -0.234      
7 F -0.234      
8 F -0.234      


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 -40.016 0.000 0.000
y 0.000 -40.016 0.000
z 0.000 0.000 -40.008
Traceless
 xyz
x -0.004 0.000 0.000
y 0.000 -0.004 0.000
z 0.000 0.000 0.008
Polar
3z2-r20.017
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 3.757 0.000 0.000
y 0.000 3.758 0.000
z 0.000 0.000 3.674


<r2> (average value of r2) Å2
<r2> 201.553
(<r2>)1/2 14.197