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

using model chemistry: ROHF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROHF/cc-pVDZ
 hartrees
Energy at 0K-153.449961
Energy at 298.15K-153.455063
HF Energy-153.449961
Nuclear repulsion energy77.829420
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 ROHF/cc-pVDZ
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 3392 2920 25.97      
2 A 3297 2838 35.97      
3 A 3245 2793 32.48      
4 A 3232 2782 70.37      
5 A 3164 2723 56.00      
6 A 1609 1385 2.61      
7 A 1604 1381 12.67      
8 A 1593 1371 5.51      
9 A 1560 1343 14.29      
10 A 1386 1193 204.09      
11 A 1358 1169 60.23      
12 A 1268 1092 4.16      
13 A 1216 1046 12.84      
14 A 1058 910 34.48      
15 A 805 693 21.26      
16 A 454 391 3.99      
17 A 280 241 10.67      
18 A 182 157 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 15351.8 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 13213.3 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 ROHF/cc-pVDZ
ABC
1.61686 0.35940 0.31370

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.084 -0.530 -0.054
C2 -1.127 0.165 0.019
C3 1.196 0.223 0.085
H4 -1.925 -0.557 -0.137
H5 -1.256 0.636 0.997
H6 -1.187 0.936 -0.756
H7 2.111 -0.347 -0.005
H8 1.165 1.242 -0.294

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.39861.34972.01102.06382.06352.03542.0887
C21.39862.32491.08751.09301.09453.27842.5512
C31.34972.32493.22452.64872.62611.08151.0875
H42.01101.08753.22451.77701.77624.04333.5783
H52.06381.09302.64871.77701.78013.64782.8097
H62.06351.09452.62611.77621.78013.61782.4164
H72.03543.27841.08154.04333.64783.61781.8716
H82.08872.55121.08753.57832.80972.41641.8716

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 107.316 O1 C2 H5 111.263
O1 C2 H6 111.141 O1 C3 H7 113.231
O1 C3 H8 117.560 C2 O1 C3 115.535
H4 C2 H5 109.159 H4 C2 H6 108.981
H5 C2 H6 108.928 H7 C3 H8 119.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.412      
2 C 0.174      
3 C 0.077      
4 H 0.043      
5 H 0.025      
6 H 0.021      
7 H 0.046      
8 H 0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.583 1.176 -0.210 1.330
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.400 -0.074 -0.420
y -0.074 -19.751 -0.388
z -0.420 -0.388 -20.134
Traceless
 xyz
x 3.543 -0.074 -0.420
y -0.074 -1.484 -0.388
z -0.420 -0.388 -2.059
Polar
3z2-r2-4.117
x2-y23.351
xy-0.074
xz-0.420
yz-0.388


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 48.185
(<r2>)1/2 6.942