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

using model chemistry: LSDA/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-153.613934
Energy at 298.15K-153.618601
HF Energy-153.613934
Nuclear repulsion energy78.018914
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 LSDA/aug-cc-pVTZ
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 3214 3184 2.22      
2 A 3074 3045 6.46      
3 A 3060 3031 12.49      
4 A 2980 2952 38.66      
5 A 2922 2894 54.55      
6 A 1439 1426 34.33      
7 A 1417 1404 8.53      
8 A 1405 1391 15.48      
9 A 1382 1369 1.26      
10 A 1312 1300 111.03      
11 A 1203 1192 13.43      
12 A 1120 1109 1.21      
13 A 1095 1084 3.94      
14 A 991 982 31.43      
15 A 429 425 3.23      
16 A 375 371 61.65      
17 A 274 271 13.92      
18 A 142 141 6.38      

Unscaled Zero Point Vibrational Energy (zpe) 13916.4 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 13785.6 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 LSDA/aug-cc-pVTZ
ABC
1.58623 0.36691 0.31666

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.091 -0.543 -0.022
C2 -1.118 0.165 0.007
C3 1.182 0.222 0.040
H4 -1.933 -0.562 -0.093
H5 -1.224 0.711 0.961
H6 -1.164 0.889 -0.826
H7 2.126 -0.314 -0.022
H8 1.087 1.297 -0.128

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.40101.33452.02442.06542.06622.04792.0947
C21.40102.30171.09601.10401.10493.27932.4824
C31.33452.30173.21492.62262.58891.08681.0924
H42.02441.09603.21491.79821.79764.06633.5458
H52.06541.10402.62261.79821.79713.63852.6211
H62.06621.10492.58891.79761.79713.59392.3917
H72.04793.27931.08684.06633.63853.59391.9201
H82.09472.48241.09243.54582.62112.39171.9201

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 107.710 O1 C2 H5 110.527
O1 C2 H6 110.529 O1 C3 H7 115.130
O1 C3 H8 119.003 C2 O1 C3 114.563
H4 C2 H5 109.645 H4 C2 H6 109.520
H5 C2 H6 108.894 H7 C3 H8 123.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.245      
2 C -0.448      
3 C -0.674      
4 H 0.251      
5 H 0.232      
6 H 0.240      
7 H 0.339      
8 H 0.306      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.043 0.779 -0.230 1.322
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.555 -0.264 -0.341
y -0.264 -20.123 -0.250
z -0.341 -0.250 -21.296
Traceless
 xyz
x 3.155 -0.264 -0.341
y -0.264 -0.698 -0.250
z -0.341 -0.250 -2.457
Polar
3z2-r2-4.915
x2-y22.569
xy-0.264
xz-0.341
yz-0.250


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.594 0.017 -0.015
y 0.017 4.963 -0.003
z -0.015 -0.003 5.433


<r2> (average value of r2) Å2
<r2> 48.377
(<r2>)1/2 6.955