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All results from a given calculation for CH3CHOH (1-hydroxy-ethyl radical)

using model chemistry: ROMP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROMP2/STO-3G
 hartrees
Energy at 0K-151.632575
Energy at 298.15K-151.637455
HF Energy-151.499929
Nuclear repulsion energy73.100824
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 ROMP2/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 3896 3896        
2 A 3555 3555        
3 A 3523 3523        
4 A 3432 3432        
5 A 3360 3360        
6 A 1733 1733        
7 A 1719 1719        
8 A 1655 1655        
9 A 1595 1595        
10 A 1482 1482        
11 A 1307 1307        
12 A 1176 1176        
13 A 1153 1153        
14 A 1012 1012        
15 A 747 747        
16 A 419 419        
17 A 406 406        
18 A 137 137        

Unscaled Zero Point Vibrational Energy (zpe) 16152.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16152.6 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 ROMP2/STO-3G
ABC
1.45535 0.29981 0.26329

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.104 0.521 -0.130
C2 1.262 -0.168 0.015
O3 -1.198 -0.361 0.027
H4 -0.207 1.526 0.326
H5 1.275 -1.116 -0.549
H6 2.058 0.486 -0.379
H7 1.503 -0.397 1.071
H8 -1.996 0.265 -0.002

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.53621.41371.10822.18062.17692.20591.9136
C21.53622.46692.26331.10351.10351.10703.2862
O31.41372.46692.15172.64853.38882.89531.0147
H41.10822.26332.15173.15282.59082.67952.2130
H52.18061.10352.64853.15281.79131.78693.5919
H62.17691.10353.38882.59081.79131.78684.0778
H72.20591.10702.89532.67951.78691.78683.7190
H81.91363.28621.01472.21303.59194.07783.7190

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 110.325 C1 C2 H6 110.029
C1 C2 H7 112.125 C1 O3 H8 102.764
C2 C1 O3 113.434 C2 C1 H4 116.793
O3 C1 H4 116.601 H5 C2 H6 108.512
H5 C2 H7 107.876 H6 C2 H7 107.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.057      
2 C -0.183      
3 O -0.270      
4 H 0.034      
5 H 0.066      
6 H 0.060      
7 H 0.060      
8 H 0.176      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 52.652
(<r2>)1/2 7.256