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: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-154.367698
Energy at 298.15K-154.372643
HF Energy-154.367698
Nuclear repulsion energy74.983918
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/aug-cc-pVDZ
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 3890 3728 62.10      
2 A 3172 3040 42.32      
3 A 3149 3017 5.67      
4 A 3087 2958 17.06      
5 A 2991 2866 43.79      
6 A 1467 1406 9.85      
7 A 1452 1391 17.11      
8 A 1435 1375 6.24      
9 A 1369 1312 0.48      
10 A 1281 1228 142.15      
11 A 1223 1172 34.04      
12 A 1065 1020 21.86      
13 A 1003 961 2.90      
14 A 936 897 11.66      
15 A 554 531 18.57      
16 A 408 391 9.31      
17 A 376 361 121.41      
18 A 179 172 4.13      

Unscaled Zero Point Vibrational Energy (zpe) 14517.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 13912.3 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/aug-cc-pVDZ
ABC
1.54101 0.31547 0.27686

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.091 0.503 -0.096
C2 1.226 -0.163 0.011
O3 -1.167 -0.340 0.022
H4 -0.235 1.532 0.240
H5 1.302 -0.996 -0.703
H6 2.028 0.552 -0.204
H7 1.406 -0.582 1.018
H8 -1.979 0.172 -0.014

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.48001.37211.09232.13422.12262.15891.9186
C21.48002.39952.25011.09901.09621.10573.2226
O31.37212.39952.10282.65523.32512.76970.9605
H41.09232.25012.10283.10522.50642.78722.2264
H52.13421.09902.65523.10521.78081.77333.5499
H62.12261.09623.32512.50641.78081.77994.0298
H72.15891.10572.76972.78721.77331.77993.6181
H81.91863.22260.96052.22643.54994.02983.6181

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 110.825 C1 C2 H6 110.068
C1 C2 H7 112.408 C1 O3 H8 109.404
C2 C1 O3 114.502 C2 C1 H4 121.296
O3 C1 H4 116.687 H5 C2 H6 108.429
H5 C2 H7 107.095 H6 C2 H7 107.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.650      
2 C 0.299      
3 O -0.498      
4 H -0.399      
5 H -0.068      
6 H -0.083      
7 H -0.068      
8 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.445 1.156 0.304 1.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.563 -1.975 -0.062
y -1.975 -19.700 0.662
z -0.062 0.662 -20.735
Traceless
 xyz
x 4.654 -1.975 -0.062
y -1.975 -1.551 0.662
z -0.062 0.662 -3.103
Polar
3z2-r2-6.206
x2-y24.137
xy-1.975
xz-0.062
yz0.662


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.650 -0.143 0.077
y -0.143 4.855 -0.147
z 0.077 -0.147 4.350


<r2> (average value of r2) Å2
<r2> 51.686
(<r2>)1/2 7.189