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All results from a given calculation for CH3O (Methoxy radical)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-115.009520
Energy at 298.15K-115.012416
Nuclear repulsion energy34.378986
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 B3PW91/6-31G**
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 3033 2906 47.87      
2 A 2995 2870 39.24      
3 A 2924 2802 0.81      
4 A 1531 1468 5.29      
5 A 1380 1323 13.53      
6 A 1376 1318 18.30      
7 A 1142 1095 8.31      
8 A 971 930 1.05      
9 A 844 809 57.10      

Unscaled Zero Point Vibrational Energy (zpe) 8097.7 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 7760.9 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 B3PW91/6-31G**
ABC
5.25869 0.93382 0.92753

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.572 0.000 -0.013
O2 0.791 0.000 -0.008
H3 -0.869 -0.002 1.055
H4 -1.015 0.909 -0.453
H5 -1.015 -0.908 -0.456

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36321.10941.10291.1029
O21.36321.97172.07052.0705
H31.10941.97171.76841.7682
H41.10292.07051.76841.8172
H51.10292.07051.76821.8172

picture of Methoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 H3 105.313 O2 C1 H4 113.781
O2 C1 H5 113.772 H3 C1 H4 106.138
H3 C1 H5 106.119 H4 C1 H5 110.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.134      
2 O -0.301      
3 H 0.171      
4 H 0.132      
5 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.990 -0.001 0.245 2.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.109 0.001 -0.257
y 0.001 -12.504 -0.001
z -0.257 -0.001 -11.426
Traceless
 xyz
x -1.143 0.001 -0.257
y 0.001 -0.237 -0.001
z -0.257 -0.001 1.380
Polar
3z2-r22.760
x2-y2-0.605
xy0.001
xz-0.257
yz-0.001


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> 20.678
(<r2>)1/2 4.547