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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-154.281214
Energy at 298.15K-154.286226
HF Energy-154.281214
Nuclear repulsion energy77.689256
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 B1B95/6-31G**
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 3291 3142 23.77      
2 A 3190 3046 21.20      
3 A 3136 2994 25.61      
4 A 3116 2975 51.34      
5 A 3047 2909 51.11      
6 A 1533 1464 16.06      
7 A 1524 1455 3.78      
8 A 1518 1449 4.52      
9 A 1479 1412 6.39      
10 A 1336 1276 151.85      
11 A 1271 1214 17.37      
12 A 1188 1134 1.30      
13 A 1156 1104 5.20      
14 A 1009 964 30.46      
15 A 691 659 38.66      
16 A 426 407 3.72      
17 A 310 296 9.33      
18 A 177 169 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 14699.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 14034.7 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 B1B95/6-31G**
ABC
1.58263 0.36112 0.31340

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.089 -0.540 -0.045
C2 -1.127 0.167 0.015
C3 1.192 0.228 0.082
H4 -1.926 -0.553 -0.153
H5 -1.258 0.638 0.995
H6 -1.168 0.941 -0.761
H7 2.111 -0.332 -0.037
H8 1.133 1.258 -0.267

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.40871.35022.01872.07052.07132.03252.0907
C21.40872.32131.08921.09491.09693.27692.5250
C31.35022.32133.22362.64762.60601.08221.0886
H42.01871.08923.22361.78401.78304.04523.5569
H52.07051.09492.64761.78401.78403.65502.7738
H62.07131.09692.60601.78301.78403.59152.3747
H72.03253.27691.08224.04523.65503.59151.8803
H82.09072.52501.08863.55692.77382.37471.8803

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 107.132 O1 C2 H5 110.965
O1 C2 H6 110.906 O1 C3 H7 112.896
O1 C3 H8 117.626 C2 O1 C3 114.553
H4 C2 H5 109.540 H4 C2 H6 109.293
H5 C2 H6 108.972 H7 C3 H8 120.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.393      
2 C -0.247      
3 C -0.164      
4 H 0.182      
5 H 0.168      
6 H 0.158      
7 H 0.159      
8 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.867 1.000 -0.322 1.362
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.432 -0.182 -0.554
y -0.182 -19.377 -0.356
z -0.554 -0.356 -20.007
Traceless
 xyz
x 3.260 -0.182 -0.554
y -0.182 -1.157 -0.356
z -0.554 -0.356 -2.103
Polar
3z2-r2-4.205
x2-y22.945
xy-0.182
xz-0.554
yz-0.356


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.770 0.107 0.015
y 0.107 3.472 -0.120
z 0.015 -0.120 2.756


<r2> (average value of r2) Å2
<r2> 48.067
(<r2>)1/2 6.933