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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-114.385475
Energy at 298.15K-114.388404
Nuclear repulsion energy33.508020
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 mPW1PW91/3-21G
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 3083 2943 47.42      
2 A 3052 2913 29.21      
3 A 2989 2853 1.48      
4 A 1584 1512 6.53      
5 A 1494 1426 13.61      
6 A 1450 1384 14.82      
7 A 1044 997 1.18      
8 A 1017 971 21.52      
9 A 948 905 4.83      

Unscaled Zero Point Vibrational Energy (zpe) 8329.5 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 7951.4 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 mPW1PW91/3-21G
ABC
5.27847 0.87017 0.86649

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.602 0.000 -0.010
O2 0.821 -0.000 -0.008
H3 -0.895 -0.000 1.054
H4 -1.033 0.901 -0.464
H5 -1.033 -0.901 -0.464

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.42311.10391.09761.0977
O21.42312.01832.11192.1119
H31.10392.01831.77101.7710
H41.09762.11191.77101.8029
H51.09772.11191.77101.8029

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 113.187
O2 C1 H5 113.188 H3 C1 H4 107.114
H3 C1 H5 107.113 H4 C1 H5 110.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.399      
2 O -0.289      
3 H 0.253      
4 H 0.217      
5 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.065 0.000 0.236 2.078
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.065 0.000 -0.221
y 0.000 -12.444 0.000
z -0.221 0.000 -11.402
Traceless
 xyz
x -1.142 0.000 -0.221
y 0.000 -0.210 0.000
z -0.221 0.000 1.352
Polar
3z2-r22.705
x2-y2-0.622
xy0.000
xz-0.221
yz0.000


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> 21.358
(<r2>)1/2 4.622