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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-665.582129
Energy at 298.15K-665.583642
Nuclear repulsion energy435.974693
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 1161 1036 0.00      
2 A1' 745 665 0.00      
3 A1' 278 248 0.00      
4 A1" 12 11 0.00      
5 A2" 1060 946 151.77      
6 A2" 624 557 45.11      
7 E' 1282 1144 204.44      
7 E' 1282 1144 204.44      
8 E' 444 396 4.88      
8 E' 444 396 4.88      
9 E' 158 141 0.71      
9 E' 158 141 0.71      
10 E" 1324 1182 0.00      
10 E" 1324 1182 0.00      
11 E" 536 478 0.00      
11 E" 536 478 0.00      
12 E" 314 281 0.00      
12 E" 314 281 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 5998.5 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 5353.1 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/STO-3G
ABC
0.08526 0.05331 0.05331

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.853
C2 0.000 0.000 -0.853
F3 0.000 1.317 1.324
F4 -1.141 -0.659 1.324
F5 1.141 -0.659 1.324
F6 0.000 1.317 -1.324
F7 1.141 -0.659 -1.324
F8 -1.141 -0.659 -1.324

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.70511.39901.39901.39902.54432.54432.5443
C21.70512.54432.54432.54431.39901.39901.3990
F31.39902.54432.28122.28122.64873.49563.4956
F41.39902.54432.28122.28123.49563.49562.6487
F51.39902.54432.28122.28123.49562.64873.4956
F62.54431.39902.64873.49563.49562.28122.2812
F72.54431.39903.49563.49562.64872.28122.2812
F82.54431.39903.49562.64873.49562.28122.2812

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.708 C1 C2 F7 109.708
C1 C2 F8 109.708 C2 C1 F3 109.708
C2 C1 F4 109.708 C2 C1 F5 109.708
F3 C1 F4 109.233 F3 C1 F5 109.233
F4 C1 F5 109.233 F6 C2 F7 109.233
F6 C2 F8 109.233 F7 C2 F8 109.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.259      
2 C 0.259      
3 F -0.086      
4 F -0.086      
5 F -0.086      
6 F -0.086      
7 F -0.086      
8 F -0.086      


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 -35.686 0.000 0.000
y 0.000 -35.686 0.000
z 0.000 0.000 -35.215
Traceless
 xyz
x -0.236 0.000 0.000
y 0.000 -0.236 0.000
z 0.000 0.000 0.471
Polar
3z2-r20.943
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 2.414 0.000 0.000
y 0.000 2.414 0.000
z 0.000 0.000 2.499


<r2> (average value of r2) Å2
<r2> 219.290
(<r2>)1/2 14.808