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-253.973873
Energy at 298.15K 
HF Energy-253.973873
Nuclear repulsion energy130.572852
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 3609 3550 16.75 56.87 0.23 0.37
2 A 3036 2986 43.97 63.80 0.42 0.59
3 A 3030 2980 37.13 84.90 0.52 0.69
4 A 2975 2926 36.51 109.44 0.14 0.25
5 A 2917 2869 56.41 117.00 0.23 0.37
6 A 1482 1457 2.80 5.94 0.72 0.84
7 A 1473 1449 1.90 14.49 0.73 0.84
8 A 1409 1385 52.54 8.93 0.68 0.81
9 A 1383 1360 17.23 7.49 0.74 0.85
10 A 1358 1336 0.21 8.90 0.74 0.85
11 A 1233 1213 7.74 12.45 0.73 0.84
12 A 1203 1183 14.06 8.73 0.75 0.86
13 A 1114 1096 8.89 2.03 0.35 0.52
14 A 1072 1054 87.03 3.61 0.73 0.85
15 A 1038 1020 51.96 1.86 0.53 0.69
16 A 885 871 12.99 6.49 0.39 0.56
17 A 854 840 27.87 4.42 0.49 0.65
18 A 510 502 7.73 1.22 0.74 0.85
19 A 455 447 128.16 3.62 0.75 0.85
20 A 315 310 7.11 0.26 0.65 0.79
21 A 159 157 11.45 0.04 0.42 0.59

Unscaled Zero Point Vibrational Energy (zpe) 15754.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 15494.9 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
0.50867 0.18717 0.15339

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 0.696 0.590 0.274
C2 -0.721 0.578 -0.274
O3 1.429 -0.538 -0.184
F4 -1.332 -0.614 0.160
H5 1.229 1.490 -0.077
H6 0.653 0.632 1.385
H7 -1.317 1.435 0.091
H8 -0.714 0.572 -1.380
H9 0.855 -1.306 0.023

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.51891.42142.36071.10411.11242.19022.17291.9189
C21.51892.42401.40762.16232.15451.10631.10542.4737
O31.42142.42402.78362.04122.10593.39252.69350.9807
F42.36071.40762.78363.32322.64412.05042.03952.2981
H51.10412.16232.04123.32321.79032.55192.51322.8230
H61.11242.15452.10592.64411.79032.48923.08432.3776
H72.19021.10633.39252.05042.55192.48921.80833.4978
H82.17291.10542.69352.03952.51323.08431.80832.8207
H91.91892.47370.98072.29812.82302.37763.49782.8207

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 107.479 C1 C2 H7 112.129
C1 C2 H8 110.798 C1 O3 H9 104.545
C2 C1 O3 111.011 C2 C1 H5 110.041
C2 C1 H6 108.943 O3 C1 H5 107.184
O3 C1 H6 111.848
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 -0.106      
2 C -0.029      
3 O -0.577      
4 F -0.287      
5 H 0.162      
6 H 0.146      
7 H 0.144      
8 H 0.157      
9 H 0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.752 1.149 0.200 1.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.368 -0.487 1.235
y -0.487 -20.746 -0.423
z 1.235 -0.423 -23.423
Traceless
 xyz
x -6.283 -0.487 1.235
y -0.487 5.149 -0.423
z 1.235 -0.423 1.134
Polar
3z2-r22.268
x2-y2-7.622
xy-0.487
xz1.235
yz-0.423


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.178 -0.124 -0.008
y -0.124 4.345 0.055
z -0.008 0.055 3.787


<r2> (average value of r2) Å2
<r2> 80.092
(<r2>)1/2 8.949