return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2FCH2OH (2-fluoroethanol)

using model chemistry: QCISD(T)=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD(T)=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-254.015932
Energy at 298.15K 
HF Energy-253.029372
Nuclear repulsion energy131.195286
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 QCISD(T)=FULL/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/6-311+G(3df,2p)
ABC
0.52955 0.18342 0.15293

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.680 0.576 0.285
C2 -0.717 0.557 -0.282
O3 1.450 -0.509 -0.190
F4 -1.353 -0.601 0.158
H5 1.185 1.489 -0.035
H6 0.627 0.577 1.379
H7 -1.300 1.413 0.062
H8 -0.697 0.525 -1.372
H9 0.991 -1.317 0.054

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.50721.41252.35261.09121.09582.16082.15501.9318
C21.50722.41591.39292.13212.13721.09161.09072.5569
O31.41252.41592.82592.02092.07813.36402.65970.9606
F42.35261.39292.82593.29362.60832.01702.01002.4529
H51.09122.13212.02093.29361.77262.48812.50192.8134
H61.09582.13722.07812.60831.77262.47943.05412.3399
H72.16081.09163.36402.01702.48812.47941.79163.5632
H82.15501.09072.65972.01002.50193.05411.79162.8763
H91.93182.55690.96062.45292.81342.33993.56322.8763

picture of 2-fluoroethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 108.368 C1 C2 H7 111.493
C1 C2 H8 111.083 C1 O3 H9 107.461
C2 C1 O3 111.638 C2 C1 H5 109.236
C2 C1 H6 109.362 O3 C1 H5 106.942
O3 C1 H6 111.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability