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

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-153.513933
Energy at 298.15K-153.518816
HF Energy-153.513933
Nuclear repulsion energy75.759682
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/3-21G
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 3267 3152 22.70      
2 A 3153 3042 18.53      
3 A 3108 2999 18.86      
4 A 3079 2971 48.99      
5 A 3022 2916 40.43      
6 A 1568 1513 12.06      
7 A 1551 1497 8.39      
8 A 1520 1466 2.22      
9 A 1479 1427 5.90      
10 A 1236 1193 43.99      
11 A 1216 1173 78.68      
12 A 1152 1112 0.39      
13 A 1115 1076 7.66      
14 A 905 874 19.84      
15 A 595 574 56.70      
16 A 413 398 5.20      
17 A 291 280 10.74      
18 A 170 164 2.41      

Unscaled Zero Point Vibrational Energy (zpe) 14419.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 13913.2 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/3-21G
ABC
1.52299 0.33919 0.29447

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.094 -0.556 -0.046
C2 -1.170 0.176 0.017
C3 1.233 0.237 0.072
H4 -1.952 -0.557 -0.184
H5 -1.319 0.618 1.009
H6 -1.204 0.971 -0.739
H7 2.150 -0.333 0.006
H8 1.194 1.272 -0.260

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.46231.39242.05092.11862.12142.06812.1440
C21.46232.40441.09061.09601.09833.35872.6205
C31.39242.40443.29242.74512.67191.08161.0880
H42.05091.09063.29241.79041.78984.11233.6399
H52.11861.09602.74511.79041.78713.73422.8902
H62.12141.09832.67191.78981.78713.67542.4642
H72.06813.35871.08164.11233.73423.67541.8872
H82.14402.62051.08803.63992.89022.46421.8872

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 105.994 O1 C2 H5 111.011
O1 C2 H6 111.088 O1 C3 H7 112.825
O1 C3 H8 119.110 C2 O1 C3 114.740
H4 C2 H5 109.934 H4 C2 H6 109.707
H5 C2 H6 109.069 H7 C3 H8 120.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.460      
2 C -0.317      
3 C -0.170      
4 H 0.214      
5 H 0.200      
6 H 0.188      
7 H 0.186      
8 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.968 1.225 -0.305 1.591
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.042 -0.221 -0.520
y -0.221 -19.591 -0.372
z -0.520 -0.372 -20.177
Traceless
 xyz
x 3.842 -0.221 -0.520
y -0.221 -1.482 -0.372
z -0.520 -0.372 -2.360
Polar
3z2-r2-4.721
x2-y23.549
xy-0.221
xz-0.520
yz-0.372


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.773 0.137 0.046
y 0.137 3.216 -0.120
z 0.046 -0.120 2.344


<r2> (average value of r2) Å2
<r2> 50.149
(<r2>)1/2 7.082