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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-675.254913
Energy at 298.15K-675.257572
Nuclear repulsion energy460.866406
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 B3LYPultrafine/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 1426 1366 0.00      
2 A1g 804 770 0.00      
3 A1g 344 330 0.00      
4 A1u 52 50 0.00      
5 A2u 1129 1082 283.13      
6 A2u 701 671 36.87      
7 Eg 1260 1207 0.00      
7 Eg 1260 1207 0.00      
8 Eg 610 584 0.00      
8 Eg 610 584 0.00      
9 Eg 371 356 0.00      
9 Eg 371 356 0.00      
10 Eu 1269 1216 516.76      
10 Eu 1269 1216 516.76      
11 Eu 510 489 4.19      
11 Eu 510 489 4.19      
12 Eu 209 200 2.53      
12 Eu 209 200 2.53      

Unscaled Zero Point Vibrational Energy (zpe) 6456.6 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 6185.4 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 B3LYPultrafine/6-31G*
ABC
0.09333 0.06106 0.06106

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

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 1.259 1.226
F4 -1.090 -0.629 1.226
F5 1.090 -0.629 1.226
F6 0.000 -1.259 -1.226
F7 -1.090 0.629 -1.226
F8 1.090 0.629 -1.226

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.54431.33821.33821.33822.36202.36202.3620
C21.54432.36202.36202.36201.33821.33821.3382
F31.33822.36202.18032.18033.51492.75702.7570
F41.33822.36202.18032.18032.75702.75703.5149
F51.33822.36202.18032.18032.75703.51492.7570
F62.36201.33823.51492.75702.75702.18032.1803
F72.36201.33822.75702.75703.51492.18032.1803
F82.36201.33822.75703.51492.75702.18032.1803

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.844 C1 C2 F7 109.844
C1 C2 F8 109.844 C2 C1 F3 109.844
C2 C1 F4 109.844 C2 C1 F5 109.844
F3 C1 F4 109.096 F3 C1 F5 109.096
F4 C1 F5 109.096 F6 C2 F7 109.096
F6 C2 F8 109.096 F7 C2 F8 109.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.728      
2 C 0.728      
3 F -0.243      
4 F -0.243      
5 F -0.243      
6 F -0.243      
7 F -0.243      
8 F -0.243      


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 -40.312 0.000 0.000
y 0.000 -40.312 0.000
z 0.000 0.000 -40.273
Traceless
 xyz
x -0.019 0.000 0.000
y 0.000 -0.019 0.000
z 0.000 0.000 0.038
Polar
3z2-r20.077
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 3.595 0.000 0.000
y 0.000 3.595 0.000
z 0.000 0.000 3.498


<r2> (average value of r2) Å2
<r2> 199.114
(<r2>)1/2 14.111