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

using model chemistry: mPW1PW91/6-31G**

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**
 hartrees
Energy at 0K-154.326302
Energy at 298.15K-154.331277
HF Energy-154.326302
Nuclear repulsion energy77.571899
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**
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 3295 3135 19.64      
2 A 3180 3026 20.64      
3 A 3140 2988 24.40      
4 A 3106 2955 50.57      
5 A 3036 2889 53.05      
6 A 1522 1448 16.54      
7 A 1517 1443 3.13      
8 A 1504 1431 6.23      
9 A 1473 1401 4.69      
10 A 1328 1263 152.64      
11 A 1268 1207 17.06      
12 A 1184 1126 1.12      
13 A 1151 1095 5.21      
14 A 1005 956 30.12      
15 A 647 616 39.09      
16 A 431 410 3.91      
17 A 296 282 8.47      
18 A 177 168 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 14629.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 13919.6 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**
ABC
1.57972 0.35980 0.31211

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.089 -0.542 -0.045
C2 -1.129 0.168 0.016
C3 1.195 0.228 0.076
H4 -1.930 -0.554 -0.140
H5 -1.258 0.649 0.992
H6 -1.178 0.935 -0.768
H7 2.117 -0.331 -0.020
H8 1.139 1.262 -0.256

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.41051.35272.02112.07512.07592.03882.0982
C21.41052.32511.08981.09571.09743.28362.5329
C31.35272.32513.22842.65192.61621.08201.0879
H42.02111.08983.22841.78331.78214.05453.5684
H52.07511.09572.65191.78331.78393.65662.7713
H62.07591.09742.61621.78211.78393.60822.3960
H72.03883.28361.08204.05453.65663.60821.8838
H82.09822.53291.08793.56842.77132.39601.8838

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 107.171 O1 C2 H5 111.163
O1 C2 H6 111.114 O1 C3 H7 113.265
O1 C3 H8 118.157 C2 O1 C3 114.571
H4 C2 H5 109.364 H4 C2 H6 109.127
H5 C2 H6 108.859 H7 C3 H8 120.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.417      
2 C -0.142      
3 C -0.085      
4 H 0.149      
5 H 0.136      
6 H 0.127      
7 H 0.128      
8 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.807 1.041 -0.276 1.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.327 -0.155 -0.480
y -0.155 -19.361 -0.350
z -0.480 -0.350 -19.991
Traceless
 xyz
x 3.349 -0.155 -0.480
y -0.155 -1.202 -0.350
z -0.480 -0.350 -2.147
Polar
3z2-r2-4.294
x2-y23.034
xy-0.155
xz-0.480
yz-0.350


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.813 0.099 0.017
y 0.099 3.520 -0.117
z 0.017 -0.117 2.805


<r2> (average value of r2) Å2
<r2> 48.183
(<r2>)1/2 6.941