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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-673.418045
Energy at 298.15K-673.421050
HF Energy-672.383723
Nuclear repulsion energy467.001533
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 CID/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 1588 1467 0.00      
2 A1g 864 798 0.00      
3 A1g 370 342 0.00      
4 A1u 71 65 0.00      
5 A2u 1214 1122 324.90      
6 A2u 748 691 47.83      
7 Eg 1386 1280 0.00      
7 Eg 1386 1280 0.00      
8 Eg 655 605 0.00      
8 Eg 655 605 0.00      
9 Eg 400 370 0.00      
9 Eg 400 370 0.00      
10 Eu 1396 1290 571.78      
10 Eu 1396 1290 571.78      
11 Eu 545 503 7.52      
11 Eu 545 503 7.52      
12 Eu 224 207 3.35      
12 Eu 224 207 3.35      

Unscaled Zero Point Vibrational Energy (zpe) 7033.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 6496.8 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 CID/6-31G*
ABC
0.09557 0.06283 0.06283

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/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 1.244 1.207
F4 -1.077 -0.622 1.207
F5 1.077 -0.622 1.207
F6 0.000 -1.244 -1.207
F7 -1.077 0.622 -1.207
F8 1.077 0.622 -1.207

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.52311.32141.32141.32142.32902.32902.3290
C21.52312.32902.32902.32901.32141.32141.3214
F31.32142.32902.15462.15463.46712.71632.7163
F41.32142.32902.15462.15462.71632.71633.4671
F51.32142.32902.15462.15462.71633.46712.7163
F62.32901.32143.46712.71632.71632.15462.1546
F72.32901.32142.71632.71633.46712.15462.1546
F82.32901.32142.71633.46712.71632.15462.1546

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.717 C1 C2 F7 109.717
C1 C2 F8 109.717 C2 C1 F3 109.717
C2 C1 F4 109.717 C2 C1 F5 109.717
F3 C1 F4 109.224 F3 C1 F5 109.224
F4 C1 F5 109.224 F6 C2 F7 109.224
F6 C2 F8 109.224 F7 C2 F8 109.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability