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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-153.471360
Energy at 298.15K-153.476246
HF Energy-153.471360
Nuclear repulsion energy76.095877
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 mPW1PW91/3-21G*
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 3299 3133 19.26      
2 A 3182 3022 15.97      
3 A 3138 2980 17.28      
4 A 3109 2953 45.50      
5 A 3044 2891 38.42      
6 A 1573 1493 13.72      
7 A 1556 1478 10.47      
8 A 1526 1449 2.95      
9 A 1483 1408 3.51      
10 A 1254 1191 101.20      
11 A 1234 1172 27.61      
12 A 1164 1105 0.37      
13 A 1124 1068 6.04      
14 A 934 887 19.77      
15 A 584 555 61.26      
16 A 415 394 5.63      
17 A 287 272 11.09      
18 A 175 166 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 14540.9 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 13808.1 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 mPW1PW91/3-21G*
ABC
1.52690 0.34358 0.29785

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.092 -0.556 -0.047
C2 -1.161 0.176 0.018
C3 1.225 0.236 0.070
H4 -1.948 -0.555 -0.169
H5 -1.301 0.630 1.005
H6 -1.200 0.962 -0.746
H7 2.144 -0.330 0.018
H8 1.183 1.271 -0.258

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.45271.38632.04392.10992.11252.06482.1381
C21.45272.38711.08971.09501.09753.34342.6021
C31.38632.38713.27822.72172.65911.08041.0869
H42.04391.08973.27821.78841.78754.10213.6255
H52.10991.09502.72171.78841.78533.70942.8591
H62.11251.09752.65911.78751.78533.66492.4517
H72.06483.34341.08044.10213.70943.66491.8875
H82.13812.60211.08693.62552.85912.45171.8875

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 106.129 O1 C2 H5 111.034
O1 C2 H6 111.099 O1 C3 H7 113.078
O1 C3 H8 119.159 C2 O1 C3 114.432
H4 C2 H5 109.883 H4 C2 H6 109.623
H5 C2 H6 109.035 H7 C3 H8 121.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.482      
2 C -0.378      
3 C -0.203      
4 H 0.238      
5 H 0.221      
6 H 0.209      
7 H 0.212      
8 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.916 1.298 -0.284 1.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.799 -0.199 -0.488
y -0.199 -19.530 -0.396
z -0.488 -0.396 -20.173
Traceless
 xyz
x 4.052 -0.199 -0.488
y -0.199 -1.544 -0.396
z -0.488 -0.396 -2.508
Polar
3z2-r2-5.017
x2-y23.730
xy-0.199
xz-0.488
yz-0.396


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.654 0.137 0.054
y 0.137 3.189 -0.122
z 0.054 -0.122 2.342


<r2> (average value of r2) Å2
<r2> 49.687
(<r2>)1/2 7.049