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: B3LYPultrafine/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 B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-254.272910
Energy at 298.15K 
HF Energy-254.272910
Nuclear repulsion energy131.062077
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 B3LYPultrafine/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 3798 3649 24.66 55.26 0.24 0.39
2 A 3106 2984 48.72 53.02 0.72 0.83
3 A 3092 2971 32.79 86.72 0.35 0.52
4 A 3047 2928 31.23 102.92 0.15 0.26
5 A 2995 2878 51.86 109.34 0.21 0.35
6 A 1518 1459 2.24 5.04 0.72 0.84
7 A 1511 1452 2.06 14.26 0.74 0.85
8 A 1446 1389 40.57 5.93 0.66 0.80
9 A 1420 1365 26.55 4.57 0.73 0.84
10 A 1394 1339 4.05 10.60 0.75 0.86
11 A 1270 1220 7.97 11.40 0.72 0.84
12 A 1232 1183 18.00 7.44 0.75 0.86
13 A 1145 1100 8.86 2.05 0.32 0.49
14 A 1101 1057 90.55 4.03 0.74 0.85
15 A 1065 1024 56.52 1.77 0.60 0.75
16 A 905 869 13.79 6.20 0.37 0.54
17 A 874 840 31.63 4.91 0.42 0.59
18 A 525 504 9.51 1.14 0.74 0.85
19 A 445 427 131.60 3.34 0.74 0.85
20 A 320 308 9.56 0.28 0.61 0.75
21 A 160 154 11.77 0.03 0.36 0.53

Unscaled Zero Point Vibrational Energy (zpe) 16183.9 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 15549.5 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 B3LYPultrafine/6-31G**
ABC
0.51499 0.18743 0.15394

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.692 0.587 0.274
C2 -0.721 0.573 -0.274
O3 1.429 -0.531 -0.185
F4 -1.332 -0.611 0.159
H5 1.215 1.486 -0.071
H6 0.651 0.624 1.374
H7 -1.310 1.423 0.088
H8 -0.715 0.566 -1.369
H9 0.891 -1.307 0.027

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.51511.41572.35531.09531.10192.17732.16361.9208
C21.51512.41801.40112.14962.14471.09651.09572.4942
O31.41572.41802.78362.03162.09053.37572.68450.9678
F42.35531.40112.78363.30732.63372.03622.02582.3331
H51.09532.14962.03163.30731.77492.53022.50102.8135
H61.10192.14472.09052.63371.77492.47723.06562.3669
H72.17731.09653.37572.03622.53022.47721.79243.5075
H82.16361.09572.68452.02582.50103.06561.79242.8357
H91.92082.49420.96782.33312.81352.36693.50752.8357

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 107.675 C1 C2 H7 111.964
C1 C2 H8 110.910 C1 O3 H9 105.856
C2 C1 O3 111.140 C2 C1 H5 109.820
C2 C1 H6 109.052 O3 C1 H5 107.326
O3 C1 H6 111.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C 0.111      
3 O -0.536      
4 F -0.328      
5 H 0.109      
6 H 0.096      
7 H 0.093      
8 H 0.107      
9 H 0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.707 1.249 0.214 1.451
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.486 -0.679 1.375
y -0.679 -20.661 -0.424
z 1.375 -0.424 -23.302
Traceless
 xyz
x -6.504 -0.679 1.375
y -0.679 5.233 -0.424
z 1.375 -0.424 1.271
Polar
3z2-r22.542
x2-y2-7.825
xy-0.679
xz1.375
yz-0.424


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.005 -0.096 -0.018
y -0.096 4.236 0.042
z -0.018 0.042 3.699


<r2> (average value of r2) Å2
<r2> 79.789
(<r2>)1/2 8.932