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

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-153.610406
Energy at 298.15K-153.615165
HF Energy-153.610406
Nuclear repulsion energy78.030388
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 LSDA/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 3207 3172 3.89      
2 A 3072 3039 7.77      
3 A 3052 3019 12.01      
4 A 2976 2943 39.47      
5 A 2918 2886 52.91      
6 A 1440 1425 27.76      
7 A 1421 1406 8.94      
8 A 1403 1387 13.86      
9 A 1383 1368 1.26      
10 A 1316 1302 94.73      
11 A 1206 1193 14.04      
12 A 1123 1111 1.15      
13 A 1098 1086 4.05      
14 A 996 985 30.60      
15 A 430 425 5.99      
16 A 413 408 63.52      
17 A 292 288 3.61      
18 A 161 159 3.28      

Unscaled Zero Point Vibrational Energy (zpe) 13952.3 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 13800.2 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 LSDA/cc-pVTZ
ABC
1.58256 0.36744 0.31708

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.090 -0.543 -0.026
C2 -1.116 0.165 0.008
C3 1.182 0.223 0.049
H4 -1.933 -0.560 -0.094
H5 -1.223 0.709 0.963
H6 -1.165 0.893 -0.822
H7 2.123 -0.315 -0.031
H8 1.088 1.293 -0.153

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.39901.33612.02412.06652.06672.04582.0939
C21.39902.29921.09621.10431.10553.27492.4816
C31.33612.29923.21482.61812.59161.08721.0931
H42.02411.09623.21481.79761.79674.06383.5442
H52.06651.10432.61811.79761.79563.63772.6318
H62.06671.10552.59161.79671.79563.59132.3842
H72.04583.27491.08724.06383.63773.59131.9167
H82.09392.48161.09313.54422.63182.38421.9167

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 107.807 O1 C2 H5 110.729
O1 C2 H6 110.668 O1 C3 H7 114.788
O1 C3 H8 118.742 C2 O1 C3 114.397
H4 C2 H5 109.552 H4 C2 H6 109.378
H5 C2 H6 108.690 H7 C3 H8 123.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.123      
2 C -0.146      
3 C -0.212      
4 H 0.119      
5 H 0.087      
6 H 0.082      
7 H 0.118      
8 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.958 0.815 -0.253 1.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.193 -0.168 -0.379
y -0.168 -19.817 -0.245
z -0.379 -0.245 -20.934
Traceless
 xyz
x 3.183 -0.168 -0.379
y -0.168 -0.754 -0.245
z -0.379 -0.245 -2.429
Polar
3z2-r2-4.858
x2-y22.625
xy-0.168
xz-0.379
yz-0.245


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.829 0.003 -0.034
y 0.003 4.265 -0.055
z -0.034 -0.055 4.005


<r2> (average value of r2) Å2
<r2> 48.129
(<r2>)1/2 6.938