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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-154.173072
Energy at 298.15K-154.177968
HF Energy-154.173072
Nuclear repulsion energy76.777167
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3186 3168 15.12      
2 A 3078 3060 15.74      
3 A 3025 3007 21.18      
4 A 2987 2970 53.75      
5 A 2922 2905 60.18      
6 A 1429 1421 10.60      
7 A 1419 1410 8.86      
8 A 1401 1393 7.52      
9 A 1381 1373 2.95      
10 A 1256 1249 115.17      
11 A 1202 1195 16.13      
12 A 1113 1107 1.06      
13 A 1092 1085 3.43      
14 A 951 945 30.42      
15 A 578 575 40.62      
16 A 420 417 3.46      
17 A 302 300 5.19      
18 A 178 177 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 13958.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 13877.8 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 PBEPBE/cc-pVDZ
ABC
1.52971 0.35490 0.30679

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.091 -0.551 -0.038
C2 -1.136 0.170 0.012
C3 1.203 0.232 0.074
H4 -1.950 -0.568 -0.116
H5 -1.257 0.689 0.989
H6 -1.193 0.925 -0.805
H7 2.137 -0.333 -0.047
H8 1.132 1.290 -0.235

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42451.36432.04302.10072.10182.05742.1249
C21.42452.34061.10581.11311.11463.31232.5425
C31.36432.34063.25822.66382.64421.09881.1052
H42.04301.10583.25821.81161.81094.09463.6014
H52.10071.11312.66381.81161.81053.69322.7512
H62.10181.11462.64421.81091.81053.63942.4215
H72.05743.31231.09884.09463.69323.63941.9185
H82.12492.54251.10523.60142.75122.42151.9185

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 107.016 O1 C2 H5 111.165
O1 C2 H6 111.150 O1 C3 H7 112.852
O1 C3 H8 118.356 C2 O1 C3 114.107
H4 C2 H5 109.463 H4 C2 H6 109.285
H5 C2 H6 108.727 H7 C3 H8 121.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.196      
2 C 0.061      
3 C -0.037      
4 H 0.047      
5 H 0.037      
6 H 0.034      
7 H 0.033      
8 H 0.021      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.892 0.797 -0.309 1.235
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.019 -0.182 -0.485
y -0.182 -19.527 -0.292
z -0.485 -0.292 -20.358
Traceless
 xyz
x 2.924 -0.182 -0.485
y -0.182 -0.839 -0.292
z -0.485 -0.292 -2.084
Polar
3z2-r2-4.169
x2-y22.508
xy-0.182
xz-0.485
yz-0.292


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.437 0.054 -0.026
y 0.054 3.803 -0.105
z -0.026 -0.105 3.143


<r2> (average value of r2) Å2
<r2> 49.095
(<r2>)1/2 7.007