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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A'
Energy calculated at G4
 hartrees
Energy at 0K-114.986091
Energy at 298.15K-114.982122
HF Energy-115.059792
Nuclear repulsion energy34.380431
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 B3LYP/6-31G(2df,p)
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 3001 2896 47.49      
2 A 2960 2856 38.65      
3 A 2892 2791 0.01      
4 A 1521 1468 4.50      
5 A 1370 1322 13.09      
6 A 1369 1321 17.27      
7 A 1120 1081 8.10      
8 A 966 932 0.83      
9 A 862 832 44.35      

Unscaled Zero Point Vibrational Energy (zpe) 8029.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 7748.6 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 B3LYP/6-31G(2df,p)
ABC
5.24986 0.93440 0.92821

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.571 0.000 -0.014
O2 0.791 0.000 -0.008
H3 -0.871 -0.002 1.056
H4 -1.014 0.910 -0.454
H5 -1.014 -0.908 -0.457

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36231.11141.10341.1034
O21.36231.97372.07012.0700
H31.11141.97371.77001.7698
H41.10342.07011.77001.8181
H51.10342.07001.76981.8181

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 105.293 O2 C1 H4 112.989
O2 C1 H5 113.003 H3 C1 H4 107.049
H3 C1 H5 106.964 H4 C1 H5 111.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.203      
2 O -0.206      
3 H 0.165      
4 H 0.122      
5 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.871 -0.001 0.221 1.884
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 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