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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-675.352035
Energy at 298.15K-675.354884
HF Energy-675.352035
Nuclear repulsion energy463.615469
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 wB97X-D/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 1427 1364 0.00      
2 A1g 820 784 0.00      
3 A1g 349 334 0.00      
4 A1u 66 63 0.00      
5 A2u 1134 1084 296.30      
6 A2u 724 692 36.82      
7 Eg 1252 1197 0.00      
7 Eg 1252 1197 0.00      
8 Eg 623 595 0.00      
8 Eg 623 595 0.00      
9 Eg 382 365 0.00      
9 Eg 382 365 0.00      
10 Eu 1268 1213 570.90      
10 Eu 1268 1213 571.06      
11 Eu 527 504 4.13      
11 Eu 527 504 4.13      
12 Eu 218 208 2.58      
12 Eu 218 208 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 6529.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 6242.2 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 wB97X-D/cc-pVTZ
ABC
0.09509 0.06143 0.06143

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.769
C2 0.000 0.000 -0.769
F3 0.000 1.256 1.206
F4 -1.088 -0.628 1.206
F5 1.088 -0.628 1.206
F6 0.000 -1.256 -1.206
F7 -1.088 0.628 -1.206
F8 1.088 0.628 -1.206

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.53731.33011.33011.33012.34002.34002.3400
C21.53732.34002.34002.34001.33011.33011.3301
F31.33012.34002.17592.17593.48232.71882.7188
F41.33012.34002.17592.17592.71882.71883.4823
F51.33012.34002.17592.17592.71883.48232.7188
F62.34001.33013.48232.71882.71882.17592.1759
F72.34001.33012.71882.71883.48232.17592.1759
F82.34001.33012.71883.48232.71882.17592.1759

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.179 C1 C2 F7 109.179
C1 C2 F8 109.179 C2 C1 F3 109.179
C2 C1 F4 109.179 C2 C1 F5 109.179
F3 C1 F4 109.761 F3 C1 F5 109.761
F4 C1 F5 109.761 F6 C2 F7 109.761
F6 C2 F8 109.761 F7 C2 F8 109.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.424      
2 C 0.424      
3 F -0.141      
4 F -0.141      
5 F -0.141      
6 F -0.141      
7 F -0.141      
8 F -0.141      


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 -41.158 0.000 0.000
y 0.000 -41.158 0.000
z 0.000 0.000 -40.975
Traceless
 xyz
x -0.091 0.000 0.000
y 0.000 -0.091 0.000
z 0.000 0.000 0.183
Polar
3z2-r20.366
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 4.053 0.000 0.000
y 0.000 4.052 -0.001
z 0.000 -0.001 3.970


<r2> (average value of r2) Å2
<r2> 198.033
(<r2>)1/2 14.072