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: PBE1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBE1PBE/TZVP
 hartrees
Energy at 0K-254.100726
Energy at 298.15K 
HF Energy-254.100726
Nuclear repulsion energy130.944146
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 PBE1PBE/TZVP
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 3861 3705 42.50 56.11 0.22 0.36
2 A 3126 3000 32.05 50.79 0.74 0.85
3 A 3108 2982 25.48 90.93 0.32 0.49
4 A 3064 2940 24.13 122.17 0.12 0.21
5 A 3019 2897 41.13 134.81 0.16 0.28
6 A 1492 1432 4.08 3.84 0.74 0.85
7 A 1486 1426 6.42 9.11 0.73 0.84
8 A 1440 1382 28.47 4.34 0.51 0.67
9 A 1409 1352 19.12 4.01 0.75 0.86
10 A 1388 1332 1.30 8.28 0.75 0.86
11 A 1278 1227 7.35 8.58 0.71 0.83
12 A 1229 1180 13.33 5.04 0.74 0.85
13 A 1142 1096 40.22 3.15 0.42 0.59
14 A 1116 1071 63.10 2.03 0.74 0.85
15 A 1067 1024 80.11 2.53 0.63 0.78
16 A 906 869 14.82 4.74 0.40 0.57
17 A 871 836 36.55 4.29 0.43 0.60
18 A 519 498 10.79 0.98 0.74 0.85
19 A 403 387 122.81 1.51 0.67 0.80
20 A 318 305 27.57 0.36 0.56 0.72
21 A 148 142 11.65 0.05 0.67 0.80

Unscaled Zero Point Vibrational Energy (zpe) 16195.5 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 15541.2 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 PBE1PBE/TZVP
ABC
0.53753 0.17995 0.15111

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.679 0.566 0.285
C2 -0.714 0.550 -0.282
O3 1.467 -0.502 -0.188
F4 -1.374 -0.596 0.156
H5 1.175 1.489 -0.026
H6 0.622 0.570 1.382
H7 -1.287 1.419 0.054
H8 -0.692 0.517 -1.375
H9 1.020 -1.319 0.050

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.50451.40792.36221.09321.09902.15642.15321.9297
C21.50452.42321.39292.12502.13421.09411.09322.5712
O31.40792.42322.86252.01882.07973.36662.66570.9617
F42.36221.39292.86253.29772.61582.01952.01132.5023
H51.09322.12502.01883.29771.77052.46452.49992.8139
H61.09902.13422.07972.61581.77052.47613.05422.3452
H72.15641.09413.36662.01952.46452.47611.79193.5808
H82.15321.09322.66572.01132.49993.05421.79192.8861
H91.92972.57120.96172.50232.81392.34523.58082.8861

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 109.170 C1 C2 H7 111.187
C1 C2 H8 110.975 C1 O3 H9 107.558
C2 C1 O3 112.576 C2 C1 H5 108.743
C2 C1 H6 109.134 O3 C1 H5 106.969
O3 C1 H6 111.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 C -0.032      
3 O -0.366      
4 F -0.246      
5 H 0.118      
6 H 0.116      
7 H 0.107      
8 H 0.120      
9 H 0.274      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.494 1.356 0.285 1.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.646 -1.275 1.713
y -1.275 -20.826 -0.463
z 1.713 -0.463 -23.668
Traceless
 xyz
x -7.399 -1.275 1.713
y -1.275 5.831 -0.463
z 1.713 -0.463 1.568
Polar
3z2-r23.137
x2-y2-8.820
xy-1.275
xz1.713
yz-0.463


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.450 -0.095 0.022
y -0.095 4.554 0.031
z 0.022 0.031 4.142


<r2> (average value of r2) Å2
<r2> 81.177
(<r2>)1/2 9.010