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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-115.028671
Energy at 298.15K-115.031535
Nuclear repulsion energy34.411069
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 mPW1PW91/6-31+G**
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 3075 2926 29.36      
2 A 3032 2885 37.46      
3 A 2953 2810 0.68      
4 A 1525 1451 6.83      
5 A 1381 1314 23.57      
6 A 1379 1312 18.31      
7 A 1143 1088 9.70      
8 A 973 926 0.64      
9 A 746 710 83.40      

Unscaled Zero Point Vibrational Energy (zpe) 8102.4 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 7711.9 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 mPW1PW91/6-31+G**
ABC
5.25323 0.93583 0.92945

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.574 0.000 -0.013
O2 0.790 0.000 -0.008
H3 -0.868 -0.001 1.054
H4 -1.004 0.910 -0.456
H5 -1.004 -0.909 -0.458

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36421.10691.09931.0994
O21.36421.96902.06112.0611
H31.10691.96901.76871.7685
H41.09932.06111.76871.8184
H51.09942.06111.76851.8184

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 105.172 O2 C1 H4 113.138
O2 C1 H5 113.132 H3 C1 H4 106.577
H3 C1 H5 106.565 H4 C1 H5 111.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.295      
2 O -0.223      
3 H 0.191      
4 H 0.163      
5 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.202 -0.001 0.223 2.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.684 0.001 -0.240
y 0.001 -12.807 -0.001
z -0.240 -0.001 -11.634
Traceless
 xyz
x -1.464 0.001 -0.240
y 0.001 -0.148 -0.001
z -0.240 -0.001 1.612
Polar
3z2-r23.223
x2-y2-0.877
xy0.001
xz-0.240
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> 20.863
(<r2>)1/2 4.568