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

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-152.600321
Energy at 298.15K-152.605330
HF Energy-152.600321
Nuclear repulsion energy74.523021
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 HF/3-21G*
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 3892 3513 28.92      
2 A 3286 2966 61.62      
3 A 3266 2948 8.72      
4 A 3239 2924 20.38      
5 A 3169 2860 21.89      
6 A 1665 1503 3.57      
7 A 1646 1486 6.77      
8 A 1574 1421 16.83      
9 A 1536 1386 10.14      
10 A 1366 1233 124.42      
11 A 1248 1126 31.56      
12 A 1165 1051 9.24      
13 A 1119 1010 75.11      
14 A 959 865 4.31      
15 A 694 627 12.35      
16 A 416 376 15.44      
17 A 325 294 195.92      
18 A 173 156 5.23      

Unscaled Zero Point Vibrational Energy (zpe) 15368.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 13871.2 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 HF/3-21G*
ABC
1.50358 0.31209 0.27327

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.082 0.528 -0.106
C2 1.234 -0.176 0.008
O3 -1.175 -0.335 0.034
H4 -0.191 1.524 0.292
H5 1.250 -1.029 -0.660
H6 2.046 0.492 -0.251
H7 1.398 -0.544 1.019
H8 -2.016 0.122 -0.088

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49771.39921.07752.12282.13352.14661.9758
C21.49772.41412.23671.08311.08291.08803.2649
O31.39922.41412.11862.61573.33712.76300.9646
H41.07752.23672.11863.08182.52272.70772.3325
H52.12281.08312.61573.08181.76421.75403.5091
H62.13351.08293.33712.52271.76421.76214.0816
H72.14661.08802.76302.70771.75401.76213.6504
H81.97583.26490.96462.33253.50914.08163.6504

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 109.635 C1 C2 H6 110.504
C1 C2 H7 111.250 C1 O3 H8 112.097
C2 C1 O3 112.847 C2 C1 H4 119.696
O3 C1 H4 117.022 H5 C2 H6 109.074
H5 C2 H7 107.782 H6 C2 H7 108.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.118      
2 C -0.656      
3 O -0.685      
4 H 0.178      
5 H 0.232      
6 H 0.205      
7 H 0.218      
8 H 0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.347 1.616 0.039 1.653
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.217 -2.296 0.453
y -2.296 -19.484 0.534
z 0.453 0.534 -20.086
Traceless
 xyz
x 4.568 -2.296 0.453
y -2.296 -1.833 0.534
z 0.453 0.534 -2.735
Polar
3z2-r2-5.471
x2-y24.268
xy-2.296
xz0.453
yz0.534


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.965 -0.033 0.027
y -0.033 3.227 0.089
z 0.027 0.089 2.281


<r2> (average value of r2) Å2
<r2> 51.826
(<r2>)1/2 7.199