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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-152.312224
Energy at 298.15K-152.317132
HF Energy-152.312224
Nuclear repulsion energy75.728259
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 B1B95/STO-3G
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 3533 3120 3.71      
2 A 3488 3080 0.43      
3 A 3446 3043 4.01      
4 A 3338 2947 1.26      
5 A 3288 2903 7.78      
6 A 1660 1466 8.14      
7 A 1646 1453 5.14      
8 A 1616 1427 5.70      
9 A 1570 1386 18.07      
10 A 1350 1192 56.40      
11 A 1307 1154 3.39      
12 A 1181 1043 1.04      
13 A 1171 1034 3.14      
14 A 1038 917 1.63      
15 A 791 699 21.26      
16 A 460 406 2.30      
17 A 347 307 6.35      
18 A 162 143 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 15695.4 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 13859.0 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 B1B95/STO-3G
ABC
1.41016 0.35207 0.30031

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.098 -0.592 -0.044
C2 -1.143 0.184 0.013
C3 1.203 0.256 0.097
H4 -1.967 -0.515 -0.207
H5 -1.302 0.622 1.017
H6 -1.149 1.000 -0.734
H7 2.145 -0.284 -0.070
H8 1.125 1.274 -0.313

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.46461.40032.07312.13562.13682.07022.1471
C21.46462.34871.10291.10641.10653.32172.5370
C31.40032.34873.27692.69402.60351.09781.1008
H42.07311.10293.27691.79791.80024.12093.5736
H52.13561.10642.69401.79791.79733.72602.8430
H62.13681.10652.60351.80021.79733.59712.3285
H72.07023.32171.09784.12093.72603.59711.8781
H82.14712.53701.10083.57362.84302.32851.8781

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 106.844 O1 C2 H5 111.575
O1 C2 H6 111.664 O1 C3 H7 111.354
O1 C3 H8 117.795 C2 O1 C3 110.110
H4 C2 H5 108.933 H4 C2 H6 109.136
H5 C2 H6 108.624 H7 C3 H8 117.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.160      
2 C -0.127      
3 C -0.101      
4 H 0.094      
5 H 0.090      
6 H 0.085      
7 H 0.064      
8 H 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.932 0.888 -0.342 1.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.325 -0.265 -0.586
y -0.265 -18.111 -0.294
z -0.586 -0.294 -18.060
Traceless
 xyz
x 1.761 -0.265 -0.586
y -0.265 -0.919 -0.294
z -0.586 -0.294 -0.842
Polar
3z2-r2-1.684
x2-y21.786
xy-0.265
xz-0.586
yz-0.294


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.154 0.146 0.072
y 0.146 1.805 -0.033
z 0.072 -0.033 1.188


<r2> (average value of r2) Å2
<r2> 48.829
(<r2>)1/2 6.988