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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-154.364531
Energy at 298.15K-154.369416
HF Energy-154.364531
Nuclear repulsion energy77.603238
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 B3PW91/cc-pVTZ
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 3264 3139 12.26      
2 A 3137 3017 18.23      
3 A 3116 2996 20.82      
4 A 3065 2948 45.89      
5 A 3005 2889 53.72      
6 A 1499 1442 16.67      
7 A 1491 1434 3.56      
8 A 1481 1424 7.75      
9 A 1451 1395 1.70      
10 A 1301 1251 146.43      
11 A 1252 1204 20.60      
12 A 1169 1124 1.76      
13 A 1135 1092 5.11      
14 A 980 942 32.09      
15 A 546 525 49.51      
16 A 426 409 3.68      
17 A 289 278 4.60      
18 A 164 157 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 14385.7 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 13833.2 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 B3PW91/cc-pVTZ
ABC
1.58842 0.35945 0.31161

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.090 -0.541 -0.036
C2 -1.131 0.168 0.012
C3 1.196 0.225 0.064
H4 -1.930 -0.560 -0.117
H5 -1.251 0.674 0.975
H6 -1.184 0.909 -0.792
H7 2.121 -0.324 -0.029
H8 1.128 1.274 -0.207

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.41311.34932.02262.07292.07382.04242.0980
C21.41312.32861.08821.09421.09553.28942.5253
C31.34932.32863.22872.64922.62001.07981.0850
H42.02261.08823.22871.78171.78094.05953.5673
H52.07291.09422.64921.78171.78373.65682.7233
H62.07381.09552.62001.78091.78373.60932.4126
H72.04243.28941.07984.05953.65683.60931.8896
H82.09802.52531.08503.56732.72332.41261.8896

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 107.207 O1 C2 H5 110.886
O1 C2 H6 110.883 O1 C3 H7 113.989
O1 C3 H8 118.651 C2 O1 C3 114.883
H4 C2 H5 109.449 H4 C2 H6 109.286
H5 C2 H6 109.094 H7 C3 H8 121.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.189      
2 C -0.066      
3 C -0.150      
4 H 0.098      
5 H 0.070      
6 H 0.065      
7 H 0.103      
8 H 0.068      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.866 0.927 -0.281 1.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.838 -0.152 -0.448
y -0.152 -19.582 -0.319
z -0.448 -0.319 -20.436
Traceless
 xyz
x 3.171 -0.152 -0.448
y -0.152 -0.944 -0.319
z -0.448 -0.319 -2.226
Polar
3z2-r2-4.453
x2-y22.743
xy-0.152
xz-0.448
yz-0.319


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.504 0.053 -0.014
y 0.053 4.080 -0.055
z -0.014 -0.055 3.729


<r2> (average value of r2) Å2
<r2> 48.439
(<r2>)1/2 6.960