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All results from a given calculation for CH3OCH2 (methoxymethyl radical)

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-154.376914
Energy at 298.15K-154.381877
HF Energy-154.376914
Nuclear repulsion energy77.371047
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 3249 3135 17.76      
2 A 3132 3023 20.49      
3 A 3100 2991 22.03      
4 A 3060 2953 46.98      
5 A 3001 2896 49.95      
6 A 1503 1451 10.94      
7 A 1499 1447 3.83      
8 A 1486 1434 5.29      
9 A 1458 1407 4.13      
10 A 1295 1250 130.57      
11 A 1256 1212 28.02      
12 A 1175 1134 1.62      
13 A 1142 1102 5.13      
14 A 972 938 28.98      
15 A 646 623 36.44      
16 A 432 417 3.60      
17 A 301 290 6.73      
18 A 170 164 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 14437.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 13932.2 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
1.58126 0.35682 0.30991

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)
O1 0.091 -0.541 -0.042
C2 -1.135 0.167 0.014
C3 1.200 0.227 0.076
H4 -1.933 -0.559 -0.149
H5 -1.269 0.645 0.992
H6 -1.180 0.938 -0.768
H7 2.121 -0.332 -0.034
H8 1.142 1.265 -0.249

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.41661.35432.02682.08022.08082.04092.0992
C21.41662.33651.09151.09721.09893.29432.5410
C31.35432.33653.23822.66702.62371.08311.0886
H42.02681.09153.23821.78731.78644.06213.5765
H52.08021.09722.66701.78731.78643.67482.7817
H62.08081.09892.62371.78641.78643.61252.4017
H72.04093.29431.08314.06213.67483.61251.8852
H82.09922.54101.08863.57652.78172.40171.8852

picture of methoxymethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H4 107.110 O1 C2 H5 111.051
O1 C2 H6 110.997 O1 C3 H7 113.245
O1 C3 H8 118.072 C2 O1 C3 114.947
H4 C2 H5 109.493 H4 C2 H6 109.288
H5 C2 H6 108.869 H7 C3 H8 120.475
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 O -0.141      
2 C -0.228      
3 C -0.224      
4 H 0.134      
5 H 0.124      
6 H 0.118      
7 H 0.117      
8 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.837 0.891 -0.285 1.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.811 -0.175 -0.488
y -0.175 -19.350 -0.326
z -0.488 -0.326 -19.955
Traceless
 xyz
x 2.842 -0.175 -0.488
y -0.175 -0.967 -0.326
z -0.488 -0.326 -1.875
Polar
3z2-r2-3.749
x2-y22.539
xy-0.175
xz-0.488
yz-0.326


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.114 0.080 0.009
y 0.080 3.685 -0.096
z 0.009 -0.096 3.056


<r2> (average value of r2) Å2
<r2> 48.507
(<r2>)1/2 6.965