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

using model chemistry: ROHF/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 ROHF/3-21G*
 hartrees
Energy at 0K-152.597366
Energy at 298.15K-152.602424
HF Energy-152.597366
Nuclear repulsion energy74.543286
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 ROHF/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 3890 3534 27.99      
2 A 3283 2983 55.07      
3 A 3261 2963 22.34      
4 A 3245 2948 20.98      
5 A 3185 2893 18.94      
6 A 1666 1514 3.76      
7 A 1648 1497 6.59      
8 A 1576 1432 17.75      
9 A 1535 1395 9.25      
10 A 1369 1244 121.85      
11 A 1248 1134 32.21      
12 A 1180 1072 8.21      
13 A 1119 1017 79.74      
14 A 961 873 4.09      
15 A 756 687 11.23      
16 A 420 382 15.77      
17 A 332 301 194.78      
18 A 179 163 5.23      

Unscaled Zero Point Vibrational Energy (zpe) 15426.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 14015.3 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 ROHF/3-21G*
ABC
1.49446 0.31315 0.27412

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.083 0.533 -0.115
C2 1.232 -0.178 0.009
O3 -1.172 -0.334 0.036
H4 -0.186 1.515 0.317
H5 1.249 -1.027 -0.662
H6 2.049 0.488 -0.240
H7 1.382 -0.548 1.020
H8 -2.015 0.117 -0.092

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49921.40031.07822.12302.13542.14481.9763
C21.49922.40882.22971.08281.08291.08703.2613
O31.40032.40882.11432.61343.33522.74480.9647
H41.07822.22972.11433.07962.52212.68502.3377
H52.12301.08282.61343.07961.76421.75423.5053
H62.13541.08293.33522.52211.76421.76254.0828
H72.14481.08702.74482.68501.75421.76253.6353
H81.97633.26130.96472.33773.50534.08283.6353

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 109.555 C1 C2 H6 110.549
C1 C2 H7 111.053 C1 O3 H8 112.052
C2 C1 O3 112.310 C2 C1 H4 118.879
O3 C1 H4 116.492 H5 C2 H6 109.095
H5 C2 H7 107.890 H6 C2 H7 108.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.120      
2 C -0.655      
3 O -0.688      
4 H 0.178      
5 H 0.232      
6 H 0.205      
7 H 0.220      
8 H 0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.334 1.595 0.043 1.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.243 -2.267 0.491
y -2.267 -19.544 0.563
z 0.491 0.563 -20.063
Traceless
 xyz
x 4.560 -2.267 0.491
y -2.267 -1.891 0.563
z 0.491 0.563 -2.669
Polar
3z2-r2-5.338
x2-y24.301
xy-2.267
xz0.491
yz0.563


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> 51.734
(<r2>)1/2 7.193