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All results from a given calculation for C2F6 (hexafluoroethane)

using model chemistry: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-673.642689
Energy at 298.15K 
HF Energy-672.380914
Nuclear repulsion energy463.180546
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.09380 0.06193 0.06193

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.760
C2 0.000 0.000 -0.760
F3 0.000 1.265 1.195
F4 -1.095 -0.632 1.195
F5 1.095 -0.632 1.195
F6 0.000 -1.265 -1.195
F7 -1.095 0.632 -1.195
F8 1.095 0.632 -1.195

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 F8
C11.52071.33731.33731.33732.32892.32892.3289
C21.52072.32892.32892.32891.33731.33731.3373
F31.33732.32892.19032.19033.48012.70442.7044
F41.33732.32892.19032.19032.70442.70443.4801
F51.33732.32892.19032.19032.70443.48012.7044
F62.32891.33733.48012.70442.70442.19032.1903
F72.32891.33732.70442.70443.48012.19032.1903
F82.32891.33732.70443.48012.70442.19032.1903

picture of hexafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.980 C1 C2 F7 108.980
C1 C2 F8 108.980 C2 C1 F3 108.980
C2 C1 F4 108.980 C2 C1 F5 108.980
F3 C1 F4 109.958 F3 C1 F5 109.958
F4 C1 F5 109.958 F6 C2 F7 109.958
F6 C2 F8 109.958 F7 C2 F8 109.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability