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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-154.335048
Energy at 298.15K-154.340017
HF Energy-154.335048
Nuclear repulsion energy77.723565
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 mPW1PW91/6-31G(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 3281 3133 15.58      
2 A 3164 3021 18.57      
3 A 3130 2988 21.27      
4 A 3094 2954 44.28      
5 A 3025 2888 49.12      
6 A 1510 1442 14.37      
7 A 1504 1436 4.41      
8 A 1490 1423 6.47      
9 A 1461 1395 3.01      
10 A 1321 1261 145.63      
11 A 1266 1208 19.00      
12 A 1182 1128 1.35      
13 A 1147 1095 4.63      
14 A 1002 957 27.78      
15 A 639 610 37.83      
16 A 431 412 3.55      
17 A 296 283 6.95      
18 A 173 165 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 14558.6 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 13899.1 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 mPW1PW91/6-31G(2df,p)
ABC
1.58417 0.36163 0.31356

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.089 -0.541 -0.043
C2 -1.126 0.167 0.015
C3 1.192 0.227 0.075
H4 -1.928 -0.554 -0.144
H5 -1.257 0.648 0.991
H6 -1.172 0.936 -0.767
H7 2.115 -0.328 -0.026
H8 1.131 1.263 -0.248

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.40751.34842.02002.07212.07262.03692.0938
C21.40752.31881.09031.09591.09763.27862.5229
C31.34842.31883.22322.64772.60691.08201.0875
H42.02001.09033.22321.78411.78294.05113.5599
H52.07211.09592.64771.78411.78373.65442.7598
H62.07261.09762.60691.78291.78373.59842.3833
H72.03693.27861.08204.05113.65443.59841.8841
H82.09382.52291.08753.55992.75982.38331.8841

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 107.263 O1 C2 H5 111.118
O1 C2 H6 111.056 O1 C3 H7 113.434
O1 C3 H8 118.143 C2 O1 C3 114.560
H4 C2 H5 109.389 H4 C2 H6 109.161
H5 C2 H6 108.816 H7 C3 H8 120.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.182      
2 C -0.279      
3 C -0.253      
4 H 0.159      
5 H 0.146      
6 H 0.140      
7 H 0.144      
8 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.788 0.920 -0.277 1.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.559 -0.163 -0.472
y -0.163 -19.195 -0.339
z -0.472 -0.339 -19.883
Traceless
 xyz
x 2.980 -0.163 -0.472
y -0.163 -0.974 -0.339
z -0.472 -0.339 -2.007
Polar
3z2-r2-4.013
x2-y22.636
xy-0.163
xz-0.472
yz-0.339


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.004 0.080 0.013
y 0.080 3.659 -0.096
z 0.013 -0.096 3.058


<r2> (average value of r2) Å2
<r2> 48.018
(<r2>)1/2 6.929