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: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-254.251360
Energy at 298.15K 
HF Energy-254.251360
Nuclear repulsion energy131.075434
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 B3PW91/6-311G**
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 3847 3705 37.74 50.85 0.25 0.40
2 A 3113 2998 39.84 55.72 0.74 0.85
3 A 3091 2977 31.60 91.05 0.32 0.48
4 A 3050 2937 28.18 115.23 0.14 0.24
5 A 2997 2887 48.90 128.57 0.19 0.32
6 A 1491 1436 1.89 1.89 0.75 0.86
7 A 1488 1433 6.58 12.10 0.75 0.85
8 A 1437 1384 37.67 4.53 0.50 0.67
9 A 1409 1357 17.73 5.36 0.73 0.84
10 A 1386 1335 0.44 5.77 0.74 0.85
11 A 1270 1223 9.39 8.79 0.71 0.83
12 A 1230 1184 15.48 5.71 0.75 0.86
13 A 1136 1094 23.32 2.46 0.50 0.66
14 A 1107 1066 78.53 2.44 0.75 0.85
15 A 1058 1019 65.41 2.14 0.68 0.81
16 A 902 869 15.82 5.02 0.36 0.53
17 A 869 837 35.33 4.06 0.43 0.60
18 A 519 500 9.30 1.15 0.74 0.85
19 A 433 417 129.57 2.44 0.74 0.85
20 A 321 309 13.45 0.35 0.60 0.75
21 A 155 149 11.50 0.04 0.36 0.53

Unscaled Zero Point Vibrational Energy (zpe) 16153.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 15557.4 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 B3PW91/6-311G**
ABC
0.52666 0.18376 0.15279

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.685 0.575 0.281
C2 -0.714 0.562 -0.281
O3 1.446 -0.517 -0.186
F4 -1.354 -0.601 0.159
H5 1.198 1.486 -0.042
H6 0.633 0.591 1.380
H7 -1.299 1.422 0.062
H8 -0.695 0.531 -1.374
H9 0.949 -1.310 0.035

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.50781.41072.35761.09411.10032.16842.15541.9198
C21.50782.41661.39902.13682.13811.09461.09372.5244
O31.41072.41662.82272.02352.08383.36992.66340.9618
F42.35761.39902.82273.30322.61902.02612.01632.4132
H51.09412.13682.02353.30321.77302.50012.50392.8084
H61.10032.13812.08382.61901.77302.48163.05772.3503
H72.16841.09463.36992.02612.50012.48161.79433.5382
H82.15541.09372.66342.01632.50393.05771.79432.8422
H91.91982.52440.96182.41322.80842.35033.53822.8422

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 108.345 C1 C2 H7 111.881
C1 C2 H8 110.889 C1 O3 H9 106.488
C2 C1 O3 111.747 C2 C1 H5 109.390
C2 C1 H6 109.129 O3 C1 H5 107.095
O3 C1 H6 111.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 C 0.046      
3 O -0.395      
4 F -0.291      
5 H 0.119      
6 H 0.115      
7 H 0.108      
8 H 0.117      
9 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.541 1.326 0.228 1.450
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.997 -0.987 1.465
y -0.987 -20.641 -0.414
z 1.465 -0.414 -23.349
Traceless
 xyz
x -7.002 -0.987 1.465
y -0.987 5.532 -0.414
z 1.465 -0.414 1.470
Polar
3z2-r22.940
x2-y2-8.356
xy-0.987
xz1.465
yz-0.414


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.209 -0.092 0.045
y -0.092 4.328 0.036
z 0.045 0.036 3.876


<r2> (average value of r2) Å2
<r2> 80.315
(<r2>)1/2 8.962