return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/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 M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-154.295536
Energy at 298.15K 
HF Energy-154.295536
Nuclear repulsion energy77.757825
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 M06-2X/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at M06-2X/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.090 -0.544 -0.045
C2 -1.124 0.168 0.015
C3 1.188 0.228 0.079
H4 -1.930 -0.551 -0.134
H5 -1.242 0.655 0.990
H6 -1.167 0.932 -0.772
H7 2.114 -0.321 -0.030
H8 1.122 1.258 -0.264

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.40831.34842.02202.06932.07012.03672.0882
C21.40832.31421.09001.09581.09773.27532.5125
C31.34842.31423.22152.63052.60171.08181.0878
H42.02201.09003.22151.78611.78494.05223.5504
H52.06931.09582.63051.78611.78453.64102.7432
H62.07011.09772.60171.78491.78453.58992.3676
H72.03673.27531.08184.05223.64103.58991.8795
H82.08822.51251.08783.55042.74322.36761.8795

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 107.373 O1 C2 H5 110.834
O1 C2 H6 110.779 O1 C3 H7 113.423
O1 C3 H8 117.597 C2 O1 C3 114.154
H4 C2 H5 109.597 H4 C2 H6 109.344
H5 C2 H6 108.890 H7 C3 H8 120.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.215      
2 C -0.228      
3 C -0.216      
4 H 0.149      
5 H 0.134      
6 H 0.127      
7 H 0.136      
8 H 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.760 0.942 -0.274 1.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.638 -0.146 -0.478
y -0.146 -19.426 -0.351
z -0.478 -0.351 -20.029
Traceless
 xyz
x 3.090 -0.146 -0.478
y -0.146 -1.092 -0.351
z -0.478 -0.351 -1.998
Polar
3z2-r2-3.995
x2-y22.788
xy-0.146
xz-0.478
yz-0.351


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 48.011
(<r2>)1/2 6.929