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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-154.368960
Energy at 298.15K-154.373925
HF Energy-154.368960
Nuclear repulsion energy77.185492
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**
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 3260 3133 22.60      
2 A 3147 3024 22.98      
3 A 3107 2986 25.08      
4 A 3073 2952 53.41      
5 A 3011 2893 53.59      
6 A 1516 1456 13.33      
7 A 1511 1452 2.21      
8 A 1499 1441 4.91      
9 A 1469 1411 6.34      
10 A 1298 1247 138.97      
11 A 1258 1209 24.22      
12 A 1175 1129 1.30      
13 A 1144 1099 5.85      
14 A 973 935 31.05      
15 A 654 628 36.90      
16 A 430 413 3.91      
17 A 300 289 8.01      
18 A 172 166 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 14499.1 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 13930.8 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**
ABC
1.57340 0.35489 0.30826

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.091 -0.542 -0.044
C2 -1.138 0.168 0.015
C3 1.204 0.229 0.078
H4 -1.936 -0.558 -0.148
H5 -1.272 0.645 0.994
H6 -1.185 0.940 -0.766
H7 2.124 -0.334 -0.029
H8 1.149 1.264 -0.258

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42061.35972.02892.08412.08492.04382.1047
C21.42062.34341.09131.09711.09893.30042.5508
C31.35972.34343.24442.67242.63171.08361.0895
H42.02891.09133.24441.78691.78584.06733.5847
H52.08411.09712.67241.78691.78683.67882.7950
H62.08491.09892.63171.78581.78683.62172.4115
H72.04383.30041.08364.06733.67883.62171.8854
H82.10472.55081.08953.58472.79502.41151.8854

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 107.021 O1 C2 H5 111.093
O1 C2 H6 111.045 O1 C3 H7 113.067
O1 C3 H8 118.070 C2 O1 C3 114.870
H4 C2 H5 109.481 H4 C2 H6 109.250
H5 C2 H6 108.913 H7 C3 H8 120.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.405      
2 C -0.072      
3 C -0.045      
4 H 0.122      
5 H 0.113      
6 H 0.104      
7 H 0.101      
8 H 0.082      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.854 1.002 -0.285 1.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.556 -0.169 -0.495
y -0.169 -19.481 -0.333
z -0.495 -0.333 -20.040
Traceless
 xyz
x 3.204 -0.169 -0.495
y -0.169 -1.183 -0.333
z -0.495 -0.333 -2.022
Polar
3z2-r2-4.043
x2-y22.925
xy-0.169
xz-0.495
yz-0.333


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.931 0.099 0.012
y 0.099 3.547 -0.115
z 0.012 -0.115 2.805


<r2> (average value of r2) Å2
<r2> 48.680
(<r2>)1/2 6.977