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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: B3PW91/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-675.283524
Energy at 298.15K-675.286317
Nuclear repulsion energy462.802183
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-pVTZ
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 1410 1356 0.00      
2 A1g 812 781 0.00      
3 A1g 345 331 0.00      
4 A1u 68 65 0.00      
5 A2u 1123 1080 285.61      
6 A2u 716 688 35.25      
7 Eg 1235 1187 0.00      
7 Eg 1234 1187 0.00      
8 Eg 616 592 0.00      
8 Eg 616 592 0.00      
9 Eg 377 363 0.00      
9 Eg 377 363 0.00      
10 Eu 1251 1203 556.83      
10 Eu 1251 1203 556.84      
11 Eu 521 501 3.74      
11 Eu 521 501 3.74      
12 Eu 212 204 2.43      
12 Eu 212 204 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 6448.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 6200.9 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-pVTZ
ABC
0.09460 0.06131 0.06131

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.775
C2 0.000 0.000 -0.775
F3 0.000 1.250 1.226
F4 -1.083 -0.625 1.226
F5 1.083 -0.625 1.226
F6 0.000 -1.250 -1.226
F7 -1.083 0.625 -1.226
F8 1.083 0.625 -1.226

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.55041.32931.32931.32932.36002.36002.3600
C21.55042.36002.36002.36001.32931.32931.3293
F31.32932.36002.16562.16563.50282.75312.7531
F41.32932.36002.16562.16562.75312.75313.5028
F51.32932.36002.16562.16562.75313.50282.7531
F62.36001.32933.50282.75312.75312.16562.1656
F72.36001.32932.75312.75313.50282.16562.1656
F82.36001.32932.75313.50282.75312.16562.1656

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 B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.420      
2 C 0.420      
3 F -0.140      
4 F -0.140      
5 F -0.140      
6 F -0.140      
7 F -0.140      
8 F -0.140      


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 -41.186 0.000 0.000
y 0.000 -41.186 0.000
z 0.000 0.000 -41.000
Traceless
 xyz
x -0.093 0.000 0.000
y 0.000 -0.093 0.000
z 0.000 0.000 0.186
Polar
3z2-r20.372
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 4.089 0.000 0.000
y 0.000 4.089 -0.000
z 0.000 -0.000 4.002


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