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

using model chemistry: PBEPBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-154.202400
Energy at 298.15K-154.207333
HF Energy-154.202400
Nuclear repulsion energy76.977732
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/6-311G*
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 3175 3142 23.00      
2 A 3077 3045 22.82      
3 A 3019 2988 29.50      
4 A 2988 2957 64.99      
5 A 2929 2898 63.62      
6 A 1470 1454 16.73      
7 A 1457 1442 4.27      
8 A 1450 1435 7.83      
9 A 1417 1403 1.47      
10 A 1254 1241 106.72      
11 A 1222 1209 24.18      
12 A 1139 1127 1.10      
13 A 1114 1103 5.45      
14 A 945 935 33.60      
15 A 613 607 48.18      
16 A 423 418 3.57      
17 A 305 301 7.66      
18 A 182 180 1.82      

Unscaled Zero Point Vibrational Energy (zpe) 14089.1 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 13942.6 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/6-311G*
ABC
1.54623 0.35522 0.30770

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.092 -0.548 -0.042
C2 -1.138 0.170 0.014
C3 1.202 0.232 0.078
H4 -1.941 -0.565 -0.122
H5 -1.255 0.672 0.990
H6 -1.191 0.926 -0.791
H7 2.127 -0.333 -0.038
H8 1.138 1.275 -0.254

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42541.36192.03462.09072.09262.04662.1127
C21.42542.34161.09701.10391.10583.30432.5444
C31.36192.34163.24862.65782.63871.09051.0970
H42.03461.09703.24861.79951.79804.07583.5894
H52.09071.10392.65781.79951.80033.67572.7641
H62.09261.10582.63871.79801.80033.62812.4152
H72.04663.30431.09054.07583.67573.62811.9008
H82.11272.54441.09703.58942.76412.41521.9008

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 106.816 O1 C2 H5 110.863
O1 C2 H6 110.898 O1 C3 H7 112.673
O1 C3 H8 118.051 C2 O1 C3 114.289
H4 C2 H5 109.694 H4 C2 H6 109.421
H5 C2 H6 109.115 H7 C3 H8 120.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.219      
2 C -0.469      
3 C -0.342      
4 H 0.225      
5 H 0.212      
6 H 0.208      
7 H 0.204      
8 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.914 0.900 -0.365 1.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.972 -0.206 -0.577
y -0.206 -19.795 -0.388
z -0.577 -0.388 -20.713
Traceless
 xyz
x 3.282 -0.206 -0.577
y -0.206 -0.952 -0.388
z -0.577 -0.388 -2.330
Polar
3z2-r2-4.660
x2-y22.822
xy-0.206
xz-0.577
yz-0.388


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.350 0.082 -0.028
y 0.082 3.847 -0.096
z -0.028 -0.096 3.376


<r2> (average value of r2) Å2
<r2> 49.059
(<r2>)1/2 7.004