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: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-254.281716
Energy at 298.15K 
HF Energy-254.281716
Nuclear repulsion energy131.433486
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 mPW1PW91/6-311G**
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 3878 3710 40.08 49.74 0.25 0.40
2 A 3133 2997 39.48 54.31 0.75 0.85
3 A 3111 2976 31.63 89.09 0.32 0.48
4 A 3070 2937 27.37 112.87 0.14 0.24
5 A 3017 2886 48.32 126.00 0.19 0.31
6 A 1500 1435 1.95 1.84 0.75 0.86
7 A 1496 1431 6.68 11.86 0.75 0.85
8 A 1447 1384 38.24 4.23 0.48 0.65
9 A 1417 1356 19.02 5.30 0.73 0.85
10 A 1394 1334 0.46 5.66 0.74 0.85
11 A 1279 1223 9.40 8.69 0.71 0.83
12 A 1238 1184 14.89 5.67 0.75 0.86
13 A 1147 1097 34.14 2.77 0.51 0.68
14 A 1119 1070 70.15 2.24 0.74 0.85
15 A 1072 1025 66.48 2.09 0.68 0.81
16 A 910 871 15.52 5.17 0.34 0.51
17 A 878 840 34.98 3.88 0.44 0.61
18 A 523 500 9.41 1.10 0.74 0.85
19 A 436 417 131.30 2.37 0.74 0.85
20 A 323 309 13.01 0.33 0.59 0.75
21 A 158 151 11.47 0.04 0.34 0.50

Unscaled Zero Point Vibrational Energy (zpe) 16271.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 15566.9 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 mPW1PW91/6-311G**
ABC
0.52774 0.18536 0.15388

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.684 0.576 0.279
C2 -0.713 0.562 -0.279
O3 1.439 -0.517 -0.186
F4 -1.346 -0.601 0.159
H5 1.196 1.484 -0.046
H6 0.633 0.593 1.377
H7 -1.299 1.418 0.065
H8 -0.695 0.532 -1.371
H9 0.941 -1.307 0.034

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.50551.40722.35021.09251.09882.16542.15181.9161
C21.50552.40971.39452.13372.13481.09301.09222.5156
O31.40722.40972.80832.02072.07963.36232.65760.9597
F42.35021.39452.80833.29492.61312.02192.01192.3973
H51.09252.13372.02073.29491.77102.49862.49832.8042
H61.09882.13482.07962.61311.77102.47673.05292.3473
H72.16541.09303.36232.02192.49862.47671.79213.5279
H82.15181.09222.65762.01192.49833.05291.79212.8346
H91.91612.51560.95972.39732.80422.34733.52792.8346

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 108.214 C1 C2 H7 111.904
C1 C2 H8 110.854 C1 O3 H9 106.566
C2 C1 O3 111.605 C2 C1 H5 109.404
C2 C1 H6 109.117 O3 C1 H5 107.202
O3 C1 H6 111.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.065      
2 C 0.048      
3 O -0.396      
4 F -0.292      
5 H 0.119      
6 H 0.115      
7 H 0.108      
8 H 0.117      
9 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.556 1.334 0.227 1.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.948 -0.969 1.459
y -0.969 -20.640 -0.414
z 1.459 -0.414 -23.334
Traceless
 xyz
x -6.962 -0.969 1.459
y -0.969 5.501 -0.414
z 1.459 -0.414 1.460
Polar
3z2-r22.921
x2-y2-8.309
xy-0.969
xz1.459
yz-0.414


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.165 -0.089 0.044
y -0.089 4.293 0.036
z 0.044 0.036 3.849


<r2> (average value of r2) Å2
<r2> 79.876
(<r2>)1/2 8.937