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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-674.950416
Energy at 298.15K-674.952890
Nuclear repulsion energy454.156848
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 B1B95/6-31G
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 1395 1331 0.00      
2 A1g 767 732 0.00      
3 A1g 335 320 0.00      
4 A1u 54 51 0.00      
5 A2u 1102 1051 257.08      
6 A2u 655 625 54.11      
7 Eg 1235 1178 0.00      
7 Eg 1235 1177 0.00      
8 Eg 588 561 0.00      
8 Eg 588 561 0.00      
9 Eg 350 334 0.00      
9 Eg 350 334 0.00      
10 Eu 1252 1194 442.82      
10 Eu 1252 1194 442.77      
11 Eu 479 457 9.80      
11 Eu 479 457 9.80      
12 Eu 197 188 4.38      
12 Eu 197 188 4.39      

Unscaled Zero Point Vibrational Energy (zpe) 6254.5 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 5965.0 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 B1B95/6-31G
ABC
0.08926 0.06006 0.06006

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.762
C2 0.000 0.000 -0.762
F3 0.000 1.287 1.229
F4 -1.115 -0.644 1.229
F5 1.115 -0.644 1.229
F6 0.000 -1.287 -1.229
F7 -1.115 0.644 -1.229
F8 1.115 0.644 -1.229

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.52481.36921.36921.36922.37152.37152.3715
C21.52482.37152.37152.37151.36921.36921.3692
F31.36922.37152.22942.22943.55992.77532.7753
F41.36922.37152.22942.22942.77532.77533.5599
F51.36922.37152.22942.22942.77533.55992.7753
F62.37151.36923.55992.77532.77532.22942.2294
F72.37151.36922.77532.77533.55992.22942.2294
F82.37151.36922.77533.55992.77532.22942.2294

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.941 C1 C2 F7 109.941
C1 C2 F8 109.941 C2 C1 F3 109.941
C2 C1 F4 109.941 C2 C1 F5 109.941
F3 C1 F4 108.998 F3 C1 F5 108.998
F4 C1 F5 108.998 F6 C2 F7 108.998
F6 C2 F8 108.998 F7 C2 F8 108.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.737      
2 C 0.737      
3 F -0.246      
4 F -0.246      
5 F -0.246      
6 F -0.246      
7 F -0.246      
8 F -0.246      


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 -42.537 0.000 0.000
y 0.000 -42.537 0.000
z 0.000 0.000 -42.359
Traceless
 xyz
x -0.089 0.000 0.000
y 0.000 -0.089 0.000
z 0.000 0.000 0.178
Polar
3z2-r20.357
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 3.384 0.000 0.000
y 0.000 3.384 -0.000
z 0.000 -0.000 2.831


<r2> (average value of r2) Å2
<r2> 204.586
(<r2>)1/2 14.303