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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K-0.095977
HF Energy-0.095977
Nuclear repulsion energy66.262912
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 PM3
Rotational Constants (cm-1) from geometry optimized at PM3
ABC
1.25257 0.30887 0.27336

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.540 0.000
C2 1.121 -0.489 0.000
F3 -1.228 -0.046 0.000
H4 0.040 1.184 0.893
H5 0.040 1.184 -0.893
H6 2.095 0.014 0.000
H7 1.076 -1.137 0.884
H8 1.076 -1.137 -0.884

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.52131.36021.10231.10232.15962.17962.1796
C21.52132.38982.18292.18291.09611.09711.0971
F31.36022.38981.97951.97953.32282.69792.6979
H41.10232.18291.97951.78682.52752.54183.1017
H51.10232.18291.97951.78682.52753.10172.5418
H62.15961.09613.32282.52752.52751.77331.7733
H72.17961.09712.69792.54183.10171.77331.7681
H82.17961.09712.69793.10172.54181.77331.7681

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.136 C1 C2 H7 111.674
C1 C2 H8 111.674 C2 C1 F3 111.948
C2 C1 H4 111.622 C2 C1 H5 111.622
F3 C1 H4 106.534 F3 C1 H5 106.534
H4 C1 H5 108.290 H6 C2 H7 107.905
H6 C2 H8 107.905 H7 C2 H8 107.378
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability