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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-30.169616
Energy at 298.15K-30.174371
HF Energy-30.169616
Nuclear repulsion energy44.170428
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 B3LYP/CEP-121G
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 3253 3170 24.57      
2 A 3133 3053 28.07      
3 A 3069 2991 29.57      
4 A 3059 2981 69.64      
5 A 2972 2896 65.38      
6 A 1506 1468 13.59      
7 A 1499 1460 10.33      
8 A 1484 1446 1.22      
9 A 1447 1410 4.21      
10 A 1232 1200 74.39      
11 A 1214 1183 79.53      
12 A 1143 1114 1.33      
13 A 1104 1076 13.88      
14 A 898 875 27.70      
15 A 494 481 69.87      
16 A 400 390 5.99      
17 A 269 263 6.42      
18 A 154 150 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 14164.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 13802.9 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 B3LYP/CEP-121G
ABC
1.53979 0.33330 0.29045

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.092 -0.550 -0.042
C2 -1.181 0.175 0.016
C3 1.248 0.232 0.061
H4 -1.964 -0.571 -0.140
H5 -1.306 0.652 0.998
H6 -1.228 0.937 -0.777
H7 2.164 -0.347 0.015
H8 1.198 1.286 -0.221

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.46601.39962.05792.11662.11942.08342.1503
C21.46602.43031.09211.09861.10073.38602.6359
C31.39962.43033.31662.75282.70731.08471.0920
H42.05791.09213.31661.79511.79424.13713.6668
H52.11661.09862.75281.79511.79923.74262.8558
H62.11941.10072.70731.79421.79923.71252.5126
H72.08343.38601.08474.13713.74263.71251.9118
H82.15032.63591.09203.66682.85582.51261.9118

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 106.195 O1 C2 H5 110.419
O1 C2 H6 110.518 O1 C3 H7 113.384
O1 C3 H8 118.798 C2 O1 C3 115.992
H4 C2 H5 110.052 H4 C2 H6 109.817
H5 C2 H6 109.783 H7 C3 H8 122.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.225      
2 C -0.317      
3 C -0.190      
4 H 0.177      
5 H 0.158      
6 H 0.149      
7 H 0.142      
8 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.990 1.464 -0.276 1.789
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.223 -0.144 -0.473
y -0.144 -20.244 -0.417
z -0.473 -0.417 -20.801
Traceless
 xyz
x 4.299 -0.144 -0.473
y -0.144 -1.732 -0.417
z -0.473 -0.417 -2.568
Polar
3z2-r2-5.135
x2-y24.021
xy-0.144
xz-0.473
yz-0.417


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.314 0.168 0.005
y 0.168 3.830 -0.064
z 0.005 -0.064 3.332


<r2> (average value of r2) Å2
<r2> 44.221
(<r2>)1/2 6.650