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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-153.344033
Energy at 298.15K-153.348925
HF Energy-153.344033
Nuclear repulsion energy76.090857
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 HSEh1PBE/3-21G
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 3294 3174 18.87      
2 A 3177 3060 15.57      
3 A 3132 3017 16.97      
4 A 3102 2989 44.98      
5 A 3038 2926 38.46      
6 A 1568 1510 13.97      
7 A 1551 1494 10.70      
8 A 1522 1466 3.12      
9 A 1479 1425 3.11      
10 A 1253 1207 103.71      
11 A 1232 1186 24.06      
12 A 1161 1118 0.38      
13 A 1122 1081 5.68      
14 A 935 900 19.87      
15 A 580 558 61.15      
16 A 417 402 5.63      
17 A 289 278 10.99      
18 A 174 168 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 14511.5 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 13978.9 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 HSEh1PBE/3-21G
ABC
1.52411 0.34390 0.29801

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.092 -0.556 -0.047
C2 -1.160 0.176 0.018
C3 1.224 0.236 0.069
H4 -1.949 -0.554 -0.171
H5 -1.301 0.629 1.006
H6 -1.197 0.965 -0.745
H7 2.145 -0.329 0.018
H8 1.181 1.273 -0.257

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.45241.38612.04502.11092.11342.06582.1388
C21.45242.38551.09071.09621.09873.34332.6000
C31.38612.38553.27832.72202.65671.08141.0879
H42.04501.09073.27831.79001.78924.10403.6246
H52.11091.09622.72201.79001.78663.71052.8587
H62.11341.09872.65671.78921.78663.66432.4472
H72.06583.34331.08144.10403.71053.66431.8895
H82.13882.60001.08793.62462.85872.44721.8895

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 106.177 O1 C2 H5 111.071
O1 C2 H6 111.117 O1 C3 H7 113.118
O1 C3 H8 119.158 C2 O1 C3 114.349
H4 C2 H5 109.867 H4 C2 H6 109.605
H5 C2 H6 108.970 H7 C3 H8 121.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.476      
2 C -0.377      
3 C -0.202      
4 H 0.237      
5 H 0.220      
6 H 0.208      
7 H 0.210      
8 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.915 1.281 -0.283 1.600
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.867 -0.201 -0.482
y -0.201 -19.568 -0.393
z -0.482 -0.393 -20.216
Traceless
 xyz
x 4.025 -0.201 -0.482
y -0.201 -1.526 -0.393
z -0.482 -0.393 -2.499
Polar
3z2-r2-4.997
x2-y23.701
xy-0.201
xz-0.482
yz-0.393


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.671 0.137 0.053
y 0.137 3.195 -0.122
z 0.053 -0.122 2.346


<r2> (average value of r2) Å2
<r2> 49.707
(<r2>)1/2 7.050