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

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-153.530754
Energy at 298.15K-153.535653
HF Energy-153.530754
Nuclear repulsion energy73.823775
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 TPSSh/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 3494 3374 4.75      
2 A 3121 3014 42.07      
3 A 3096 2989 30.10      
4 A 3071 2966 18.94      
5 A 2970 2868 40.89      
6 A 1561 1508 2.74      
7 A 1538 1485 8.44      
8 A 1458 1408 11.04      
9 A 1436 1386 4.69      
10 A 1278 1234 78.05      
11 A 1165 1125 40.53      
12 A 1073 1036 6.60      
13 A 1040 1004 54.09      
14 A 912 881 6.74      
15 A 610 589 19.76      
16 A 388 375 53.61      
17 A 362 350 121.93      
18 A 159 154 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 14366.1 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 13873.3 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 TPSSh/3-21G*
ABC
1.46538 0.30886 0.26971

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.078 0.531 -0.105
C2 1.236 -0.176 0.011
O3 -1.184 -0.346 0.027
H4 -0.188 1.546 0.282
H5 1.238 -1.062 -0.637
H6 2.051 0.490 -0.297
H7 1.442 -0.519 1.041
H8 -2.023 0.185 -0.038

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49721.41721.09212.13322.13772.17381.9768
C21.49722.42602.25121.09711.09621.10483.2800
O31.41722.42602.15362.61063.35622.81960.9957
H41.09212.25122.15363.11082.54152.73762.3077
H52.13321.09712.61063.11081.78481.77523.5420
H62.13771.09623.35622.54151.78481.78254.0935
H72.17381.10482.81962.73761.77521.78253.6968
H81.97683.28000.99572.30773.54204.09353.6968

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 109.661 C1 C2 H6 110.078
C1 C2 H7 112.450 C1 O3 H8 108.758
C2 C1 O3 112.667 C2 C1 H4 119.972
O3 C1 H4 117.651 H5 C2 H6 108.929
H5 C2 H7 107.454 H6 C2 H7 108.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.004      
2 C -0.647      
3 O -0.535      
4 H 0.175      
5 H 0.226      
6 H 0.207      
7 H 0.209      
8 H 0.360      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.613 1.294 0.292 1.461
CHELPG        
AIM        
ESP        


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 4.605 -0.067 0.024
y -0.067 3.533 0.048
z 0.024 0.048 2.402


<r2> (average value of r2) Å2
<r2> 52.254
(<r2>)1/2 7.229