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: B2PLYP=FULLultrafine/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP=FULLultrafine/STO-3G
 hartrees
Energy at 0K-250.456531
Energy at 298.15K 
HF Energy-250.399040
Nuclear repulsion energy130.696164
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 B2PLYP=FULLultrafine/STO-3G
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 3650 3650 20.37 24.85 0.15 0.27
2 A 3431 3431 11.84 31.88 0.74 0.85
3 A 3422 3422 2.31 31.04 0.65 0.78
4 A 3316 3316 4.93 37.68 0.14 0.25
5 A 3303 3303 15.87 39.57 0.15 0.27
6 A 1723 1723 47.22 5.77 0.67 0.80
7 A 1699 1699 10.72 16.17 0.73 0.84
8 A 1670 1670 8.11 12.72 0.75 0.85
9 A 1493 1493 4.76 3.19 0.67 0.81
10 A 1454 1454 1.99 4.71 0.73 0.84
11 A 1323 1323 8.29 11.17 0.75 0.86
12 A 1308 1308 5.51 9.01 0.75 0.86
13 A 1218 1218 6.41 3.17 0.52 0.68
14 A 1195 1195 0.65 0.41 0.62 0.77
15 A 1151 1151 11.08 2.39 0.68 0.81
16 A 982 982 2.77 10.16 0.27 0.42
17 A 902 902 1.27 1.15 0.75 0.85
18 A 634 634 4.88 3.00 0.74 0.85
19 A 604 604 71.21 3.42 0.75 0.86
20 A 367 367 13.16 0.25 0.59 0.74
21 A 112 112 3.09 0.11 0.73 0.85

Unscaled Zero Point Vibrational Energy (zpe) 17478.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17478.1 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 B2PLYP=FULLultrafine/STO-3G
ABC
0.44761 0.21587 0.15680

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.783 0.677 0.125
C2 -0.783 0.656 -0.129
O3 1.295 -0.670 -0.105
F4 -1.188 -0.683 0.093
H5 1.277 1.393 -0.563
H6 0.979 1.017 1.168
H7 -1.324 1.340 0.562
H8 -1.023 0.944 -1.177
H9 0.414 -1.185 0.032

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.58641.45972.39491.10881.11412.25172.24211.9004
C21.58642.46561.41692.23052.21691.11231.11302.2018
O31.45972.46562.49112.11322.13733.36863.02121.0299
F42.39491.41692.49113.28892.95652.08132.07071.6795
H51.10882.23052.11323.28891.79562.83462.42262.7827
H61.11412.21692.13732.95651.79562.40313.08362.5412
H72.25171.11233.36862.08132.83462.40311.80843.1106
H82.24211.11303.02122.07072.42263.08361.80842.8386
H91.90042.20181.02991.67952.78272.54123.11062.8386

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 105.634 C1 C2 H7 111.896
C1 C2 H8 111.100 C1 O3 H9 98.036
C2 C1 O3 108.003 C2 C1 H5 110.443
C2 C1 H6 109.100 O3 C1 H5 109.966
O3 C1 H6 111.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.047      
2 C -0.025      
3 O -0.268      
4 F -0.101      
5 H 0.068      
6 H 0.057      
7 H 0.073      
8 H 0.073      
9 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.469 1.235 0.123 1.923
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.805 0.681 0.407
y 0.681 -20.806 -0.234
z 0.407 -0.234 -21.400
Traceless
 xyz
x -3.702 0.681 0.407
y 0.681 2.297 -0.234
z 0.407 -0.234 1.405
Polar
3z2-r22.810
x2-y2-3.999
xy0.681
xz0.407
yz-0.234


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.211 0.089 -0.032
y 0.089 2.520 0.010
z -0.032 0.010 1.669


<r2> (average value of r2) Å2
<r2> 76.925
(<r2>)1/2 8.771