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

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-154.119830
Energy at 298.15K-154.124589
HF Energy-154.119830
Nuclear repulsion energy75.584590
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 PBEPBE/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 3252 3207 18.83      
2 A 3121 3078 16.02      
3 A 3079 3036 19.12      
4 A 3033 2991 53.53      
5 A 2957 2917 50.95      
6 A 1492 1472 13.42      
7 A 1479 1458 11.31      
8 A 1462 1442 2.24      
9 A 1428 1408 1.61      
10 A 1211 1194 45.10      
11 A 1190 1173 60.47      
12 A 1120 1105 0.26      
13 A 1088 1073 7.38      
14 A 882 869 22.50      
15 A 506 499 66.58      
16 A 407 401 5.11      
17 A 281 277 6.63      
18 A 161 159 2.80      

Unscaled Zero Point Vibrational Energy (zpe) 14074.4 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 13880.2 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 PBEPBE/6-31G
ABC
1.51661 0.33820 0.29343

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.094 -0.556 -0.040
C2 -1.172 0.176 0.015
C3 1.236 0.235 0.064
H4 -1.960 -0.572 -0.141
H5 -1.298 0.662 0.999
H6 -1.217 0.942 -0.783
H7 2.158 -0.340 -0.003
H8 1.181 1.291 -0.223

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.46281.39342.05672.12062.12392.07572.1508
C21.46282.40921.09761.10451.10663.36922.6149
C31.39342.40923.30322.73422.68911.08821.0951
H42.05671.09763.30321.80521.80444.12713.6533
H52.12061.10452.73421.80521.80493.73422.8345
H62.12391.10662.68911.80441.80493.69272.4870
H72.07573.36921.08824.12713.73423.69271.9129
H82.15082.61491.09513.65332.83452.48701.9129

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 106.008 O1 C2 H5 110.604
O1 C2 H6 110.748 O1 C3 H7 112.959
O1 C3 H8 119.125 C2 O1 C3 115.002
H4 C2 H5 110.119 H4 C2 H6 109.892
H5 C2 H6 109.426 H7 C3 H8 122.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.429      
2 C -0.233      
3 C -0.119      
4 H 0.182      
5 H 0.168      
6 H 0.157      
7 H 0.149      
8 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.986 1.292 -0.282 1.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.168 -0.185 -0.488
y -0.185 -19.787 -0.352
z -0.488 -0.352 -20.354
Traceless
 xyz
x 3.903 -0.185 -0.488
y -0.185 -1.526 -0.352
z -0.488 -0.352 -2.377
Polar
3z2-r2-4.753
x2-y23.619
xy-0.185
xz-0.488
yz-0.352


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.125 0.139 0.030
y 0.139 3.543 -0.100
z 0.030 -0.100 2.648


<r2> (average value of r2) Å2
<r2> 50.398
(<r2>)1/2 7.099