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

using model chemistry: mPW1PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-154.330176
Energy at 298.15K-154.335135
HF Energy-154.330176
Nuclear repulsion energy77.482799
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/cc-pVDZ
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 3286 3149 13.76      
2 A 3176 3044 16.89      
3 A 3126 2996 21.23      
4 A 3099 2970 48.86      
5 A 3025 2899 53.87      
6 A 1490 1428 13.48      
7 A 1479 1417 10.11      
8 A 1464 1403 7.87      
9 A 1439 1379 4.48      
10 A 1320 1265 153.18      
11 A 1253 1201 18.28      
12 A 1164 1116 1.48      
13 A 1134 1087 4.71      
14 A 1002 960 30.64      
15 A 614 588 38.99      
16 A 430 412 3.61      
17 A 298 285 6.37      
18 A 177 169 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 14487.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 13883.7 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/cc-pVDZ
ABC
1.56996 0.36019 0.31205

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.089 -0.543 -0.041
C2 -1.127 0.167 0.014
C3 1.194 0.227 0.073
H4 -1.934 -0.561 -0.127
H5 -1.253 0.668 0.988
H6 -1.182 0.926 -0.787
H7 2.123 -0.332 -0.033
H8 1.131 1.275 -0.239

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.40951.35162.02522.07992.08072.04422.1049
C21.40952.32261.09621.10271.10423.28812.5278
C31.35162.32263.23212.64932.62141.08941.0954
H42.02521.09623.23211.79371.79264.06413.5748
H52.07991.10272.64931.79371.79473.66582.7490
H62.08071.10422.62141.79261.79473.61512.4020
H72.04423.28811.08944.06413.66583.61511.9001
H82.10492.52781.09543.57482.74902.40201.9001

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 107.187 O1 C2 H5 111.195
O1 C2 H6 111.161 O1 C3 H7 113.310
O1 C3 H8 118.298 C2 O1 C3 114.516
H4 C2 H5 109.316 H4 C2 H6 109.107
H5 C2 H6 108.831 H7 C3 H8 120.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.253      
2 C 0.062      
3 C -0.030      
4 H 0.055      
5 H 0.044      
6 H 0.041      
7 H 0.046      
8 H 0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.823 0.935 -0.283 1.277
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.644 -0.152 -0.460
y -0.152 -19.389 -0.315
z -0.460 -0.315 -20.134
Traceless
 xyz
x 3.117 -0.152 -0.460
y -0.152 -1.000 -0.315
z -0.460 -0.315 -2.117
Polar
3z2-r2-4.233
x2-y22.745
xy-0.152
xz-0.460
yz-0.315


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.019 0.071 -0.009
y 0.071 3.612 -0.100
z -0.009 -0.100 3.001


<r2> (average value of r2) Å2
<r2> 48.331
(<r2>)1/2 6.952