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 CH3CHOH (1-hydroxy-ethyl radical)

using model chemistry: PBE1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at PBE1PBE/6-311G*
 hartrees
Energy at 0K-154.231531
Energy at 298.15K-154.236532
HF Energy-154.231531
Nuclear repulsion energy75.226066
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3868 3708 34.81      
2 A 3144 3014 57.03      
3 A 3128 2998 16.09      
4 A 3080 2952 22.28      
5 A 2984 2860 50.38      
6 A 1509 1446 2.83      
7 A 1484 1423 20.46      
8 A 1472 1411 9.16      
9 A 1403 1345 2.21      
10 A 1310 1255 164.32      
11 A 1236 1184 28.35      
12 A 1079 1034 26.72      
13 A 1032 989 6.32      
14 A 948 909 8.98      
15 A 605 580 18.38      
16 A 415 397 19.65      
17 A 382 367 151.82      
18 A 185 178 3.31      

Unscaled Zero Point Vibrational Energy (zpe) 14630.9 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 14023.7 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/6-311G*
ABC
1.54428 0.31815 0.27916

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.093 0.505 -0.104
C2 1.221 -0.162 0.011
O3 -1.160 -0.339 0.025
H4 -0.231 1.522 0.265
H5 1.284 -1.012 -0.676
H6 2.029 0.533 -0.231
H7 1.408 -0.554 1.024
H8 -1.973 0.168 -0.024

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.47791.36711.09022.12742.12552.15541.9119
C21.47792.38772.23771.09481.09241.10193.2110
O31.36712.38772.09392.63023.31582.76370.9592
H41.09022.23772.09393.09872.51612.75142.2252
H52.12741.09482.63023.09871.77181.76433.5250
H62.12551.09243.31582.51611.77181.77204.0236
H72.15541.10192.76372.75141.76431.77203.6122
H81.91193.21100.95922.22523.52504.02363.6122

picture of 1-hydroxy-ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.683 C1 C2 H6 110.676
C1 C2 H7 112.515 C1 O3 H8 109.287
C2 C1 O3 114.064 C2 C1 H4 120.486
O3 C1 H4 116.430 H5 C2 H6 108.200
H5 C2 H7 106.867 H6 C2 H7 107.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.083      
2 C -0.692      
3 O -0.508      
4 H 0.190      
5 H 0.237      
6 H 0.226      
7 H 0.223      
8 H 0.407      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.677 1.279 0.286 1.476
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.050 -2.018 -0.024
y -2.018 -19.487 0.634
z -0.024 0.634 -20.474
Traceless
 xyz
x 4.930 -2.018 -0.024
y -2.018 -1.724 0.634
z -0.024 0.634 -3.206
Polar
3z2-r2-6.411
x2-y24.436
xy-2.018
xz-0.024
yz0.634


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.779 -0.150 0.073
y -0.150 3.972 0.012
z 0.073 0.012 3.138


<r2> (average value of r2) Å2
<r2> 51.176
(<r2>)1/2 7.154