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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-178.566197
Energy at 298.15K 
HF Energy-178.093477
Nuclear repulsion energy78.898560
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
1.19969 0.31097 0.27229

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.564 0.000
C2 1.135 -0.428 0.000
F3 -1.231 -0.132 0.000
H4 0.002 1.193 0.890
H5 0.002 1.193 -0.890
H6 2.088 0.104 0.000
H7 1.088 -1.058 0.885
H8 1.088 -1.058 -0.885

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.50781.41471.08921.08922.13812.14512.1451
C21.50782.38512.16852.16851.09061.08811.0881
F31.41472.38512.01682.01683.32752.64992.6499
H41.08922.16852.01681.77932.51592.49963.0658
H51.08922.16852.01681.77932.51593.06582.4996
H62.13811.09063.32752.51592.51591.77011.7701
H72.14511.08812.64992.49963.06581.77011.7709
H82.14511.08812.64993.06582.49961.77011.7709

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.701 C1 C2 H7 110.409
C1 C2 H8 110.409 C2 C1 F3 109.354
C2 C1 H4 112.236 C2 C1 H5 112.236
F3 C1 H4 106.586 F3 C1 H5 106.586
H4 C1 H5 109.531 H6 C2 H7 108.673
H6 C2 H8 108.673 H7 C2 H8 108.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability