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All results from a given calculation for CH3O (Methoxy radical)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-115.050462
Energy at 298.15K-115.053376
Nuclear repulsion energy34.282871
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/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 3026 2906 48.12      
2 A 2989 2871 42.53      
3 A 2921 2805 0.29      
4 A 1549 1488 6.00      
5 A 1407 1351 12.92      
6 A 1400 1345 15.56      
7 A 1127 1082 8.47      
8 A 980 941 1.45      
9 A 914 877 37.99      

Unscaled Zero Point Vibrational Energy (zpe) 8156.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 7832.7 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/6-31G*
ABC
5.23986 0.92755 0.92186

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.575 0.000 -0.013
O2 0.794 0.000 -0.008
H3 -0.871 -0.001 1.058
H4 -1.015 0.909 -0.457
H5 -1.015 -0.908 -0.459

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36901.11041.10331.1033
O21.36901.97672.07332.0733
H31.11041.97671.77311.7730
H41.10332.07331.77311.8176
H51.10332.07331.77301.8176

picture of Methoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 H3 105.262 O2 C1 H4 113.559
O2 C1 H5 113.551 H3 C1 H4 106.442
H3 C1 H5 106.429 H4 C1 H5 110.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.203 0.315 0.522 0.222
2 O -0.290 -0.305 -0.664 -0.285
3 H 0.188 0.035 0.079 0.060
4 H 0.152 -0.022 0.031 0.002
5 H 0.152 -0.022 0.031 0.002


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.970 -0.001 0.236 1.984
CHELPG -1.961 -0.001 0.270 1.980
AIM 1.038 -0.000 -0.007 1.038
ESP -1.969 -0.000 0.294 1.991


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.176 0.001 -0.250
y 0.001 -12.564 -0.001
z -0.250 -0.001 -11.481
Traceless
 xyz
x -1.154 0.001 -0.250
y 0.001 -0.235 -0.001
z -0.250 -0.001 1.389
Polar
3z2-r22.777
x2-y2-0.612
xy0.001
xz-0.250
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.579 0.004 -0.000
y 0.004 2.280 -0.005
z -0.000 -0.005 2.014


<r2> (average value of r2) Å2
<r2> 20.784
(<r2>)1/2 4.559