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: PBEPBEultrafine/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 PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-253.984635
Energy at 298.15K 
HF Energy-253.984635
Nuclear repulsion energy130.662287
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 PBEPBEultrafine/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 3678 3627 19.10 56.38 0.22 0.36
2 A 3031 2989 46.76 57.45 0.60 0.75
3 A 3024 2983 30.42 91.52 0.41 0.58
4 A 2970 2929 34.99 110.38 0.13 0.24
5 A 2913 2874 55.34 119.25 0.22 0.36
6 A 1465 1445 2.89 5.08 0.72 0.84
7 A 1458 1438 2.41 14.93 0.73 0.84
8 A 1399 1380 50.57 8.57 0.68 0.81
9 A 1372 1354 17.32 7.78 0.74 0.85
10 A 1348 1330 0.19 8.26 0.75 0.85
11 A 1228 1211 7.13 12.16 0.73 0.84
12 A 1197 1181 13.49 8.61 0.75 0.86
13 A 1110 1095 12.25 1.91 0.33 0.49
14 A 1069 1054 86.00 3.52 0.74 0.85
15 A 1036 1022 52.40 1.77 0.51 0.68
16 A 882 870 13.27 6.66 0.38 0.55
17 A 851 839 27.07 4.34 0.49 0.66
18 A 510 503 7.36 1.22 0.74 0.85
19 A 456 449 125.55 3.54 0.75 0.85
20 A 315 310 6.20 0.24 0.65 0.78
21 A 160 157 11.39 0.04 0.37 0.54

Unscaled Zero Point Vibrational Energy (zpe) 15735.0 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 15519.4 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 PBEPBEultrafine/6-31G**
ABC
0.50785 0.18785 0.15366

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.697 0.591 0.272
C2 -0.720 0.579 -0.273
O3 1.426 -0.541 -0.183
F4 -1.329 -0.615 0.160
H5 1.228 1.491 -0.082
H6 0.655 0.639 1.382
H7 -1.315 1.436 0.094
H8 -0.716 0.576 -1.378
H9 0.848 -1.302 0.019

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.51841.42082.36001.10371.11182.18892.17211.9150
C21.51842.42231.40782.16002.15291.10561.10502.4657
O31.42082.42232.77762.04382.10623.39022.69480.9770
F42.36001.40782.77763.32142.64632.05142.03972.2872
H51.10372.16002.04383.32141.78772.54922.50912.8203
H61.11182.15292.10622.64631.78772.48453.08242.3794
H72.18891.10563.39022.05142.54922.48451.80673.4892
H82.17211.10502.69482.03972.50913.08241.80672.8148
H91.91502.46570.97702.28722.82032.37943.48922.8148

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 107.449 C1 C2 H7 112.101
C1 C2 H8 110.801 C1 O3 H9 104.478
C2 C1 O3 110.961 C2 C1 H5 109.915
C2 C1 H6 108.895 O3 C1 H5 107.444
O3 C1 H6 111.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.022      
2 C 0.050      
3 O -0.503      
4 F -0.292      
5 H 0.124      
6 H 0.110      
7 H 0.107      
8 H 0.121      
9 H 0.306      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.739 1.161 0.183 1.388
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.252 -0.475 1.225
y -0.475 -20.784 -0.399
z 1.225 -0.399 -23.400
Traceless
 xyz
x -6.160 -0.475 1.225
y -0.475 5.042 -0.399
z 1.225 -0.399 1.118
Polar
3z2-r22.236
x2-y2-7.468
xy-0.475
xz1.225
yz-0.399


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.230 -0.123 -0.002
y -0.123 4.397 0.057
z -0.002 0.057 3.834


<r2> (average value of r2) Å2
<r2> 79.947
(<r2>)1/2 8.941