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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-673.713108
Energy at 298.15K-673.715967
HF Energy-672.402750
Nuclear repulsion energy462.463091
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 MP3=FULL/6-31+G**
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 1490 1388 0.00      
2 A1g 822 766 0.00      
3 A1g 354 329 0.00      
4 A1u 77 72 0.00      
5 A2u 1148 1070 295.43      
6 A2u 715 666 44.37      
7 Eg 1301 1212 0.00      
7 Eg 1301 1212 0.00      
8 Eg 625 582 0.00      
8 Eg 625 582 0.00      
9 Eg 384 358 0.00      
9 Eg 384 358 0.00      
10 Eu 1313 1223 554.60      
10 Eu 1313 1223 554.63      
11 Eu 522 486 6.53      
11 Eu 522 486 6.52      
12 Eu 218 203 2.95      
12 Eu 218 203 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 6664.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 6209.1 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 MP3=FULL/6-31+G**
ABC
0.09373 0.06161 0.06161

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

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 1.265 1.195
F4 -1.096 -0.633 1.195
F5 1.096 -0.633 1.195
F6 0.000 -1.265 -1.195
F7 -1.096 0.633 -1.195
F8 1.096 0.633 -1.195

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.52311.33731.33731.33732.32992.32992.3299
C21.52312.32992.32992.32991.33731.33731.3373
F31.33732.32992.19142.19143.48052.70402.7040
F41.33732.32992.19142.19142.70402.70403.4805
F51.33732.32992.19142.19142.70403.48052.7040
F62.32991.33733.48052.70402.70402.19142.1914
F72.32991.33732.70402.70403.48052.19142.1914
F82.32991.33732.70403.48052.70402.19142.1914

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.905 C1 C2 F7 108.905
C1 C2 F8 108.905 C2 C1 F3 108.905
C2 C1 F4 108.905 C2 C1 F5 108.905
F3 C1 F4 110.031 F3 C1 F5 110.031
F4 C1 F5 110.031 F6 C2 F7 110.031
F6 C2 F8 110.031 F7 C2 F8 110.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability