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: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-253.885116
Energy at 298.15K 
HF Energy-253.742365
Nuclear repulsion energy129.049401
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3645 3645 15.30 64.14 0.27 0.43
2 A 3185 3185 33.29 51.30 0.74 0.85
3 A 3161 3161 21.90 84.04 0.39 0.56
4 A 3113 3113 21.72 106.96 0.15 0.26
5 A 3065 3065 38.57 105.87 0.19 0.32
6 A 1563 1563 2.88 13.20 0.74 0.85
7 A 1559 1559 1.29 10.39 0.71 0.83
8 A 1446 1446 20.05 4.21 0.67 0.80
9 A 1440 1440 7.41 3.95 0.75 0.85
10 A 1401 1401 16.56 16.72 0.75 0.86
11 A 1264 1264 15.78 10.44 0.70 0.82
12 A 1232 1232 11.05 11.40 0.75 0.86
13 A 1141 1141 4.77 3.29 0.50 0.67
14 A 1078 1078 52.20 6.70 0.71 0.83
15 A 1014 1014 39.88 1.64 0.61 0.76
16 A 898 898 26.19 8.65 0.33 0.50
17 A 864 864 43.39 6.35 0.30 0.46
18 A 515 515 13.71 1.92 0.75 0.86
19 A 446 446 192.22 5.58 0.74 0.85
20 A 318 318 10.81 0.29 0.58 0.74
21 A 155 155 16.27 0.06 0.59 0.74

Unscaled Zero Point Vibrational Energy (zpe) 16251.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16251.4 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 B2PLYP/6-31G
ABC
0.48999 0.18360 0.15009

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.684 0.603 0.294
C2 -0.712 0.601 -0.291
O3 1.443 -0.538 -0.191
F4 -1.352 -0.629 0.161
H5 1.235 1.488 -0.028
H6 0.626 0.602 1.390
H7 -1.321 1.437 0.059
H8 -0.690 0.565 -1.381
H9 0.944 -1.353 0.020

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.51261.45462.38361.09131.09722.18352.16611.9923
C21.51262.43941.45872.15542.14771.09201.09102.5795
O31.45462.43942.81922.04392.11373.40652.67990.9785
F42.38361.45872.81923.34882.63432.06922.05972.4117
H51.09132.15542.04393.34881.77882.55772.52772.8565
H61.09722.14772.11372.63431.77882.50183.06732.4083
H72.18351.09203.40652.06922.55772.50181.79743.5936
H82.16611.09102.67992.05972.52773.06731.79742.8823
H91.99232.57950.97852.41172.85652.40833.59362.8823

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 106.668 C1 C2 H7 112.940
C1 C2 H8 111.582 C1 O3 H9 108.348
C2 C1 O3 110.584 C2 C1 H5 110.705
C2 C1 H6 109.731 O3 C1 H5 105.926
O3 C1 H6 111.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.043      
2 C 0.041      
3 O -0.625      
4 F -0.376      
5 H 0.164      
6 H 0.151      
7 H 0.147      
8 H 0.165      
9 H 0.375      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.776 1.806 0.292 1.987
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.415 -1.188 1.991
y -1.188 -20.531 -0.430
z 1.991 -0.430 -23.496
Traceless
 xyz
x -8.402 -1.188 1.991
y -1.188 6.424 -0.430
z 1.991 -0.430 1.977
Polar
3z2-r23.954
x2-y2-9.884
xy-1.188
xz1.991
yz-0.430


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.699 -0.051 -0.120
y -0.051 4.154 0.016
z -0.120 0.016 3.352


<r2> (average value of r2) Å2
<r2> 81.908
(<r2>)1/2 9.050