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

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A'
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-114.429505
Energy at 298.15K-114.432433
Nuclear repulsion energy34.295148
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 HF/6-31+G**
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 3248 2937 46.06      
2 A 3228 2919 39.03      
3 A 3159 2856 17.73      
4 A 1642 1485 6.66      
5 A 1566 1416 12.00      
6 A 1561 1411 5.35      
7 A 1202 1087 24.49      
8 A 1096 991 15.53      
9 A 805 728 53.23      

Unscaled Zero Point Vibrational Energy (zpe) 8753.6 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 7915.0 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 HF/6-31+G**
ABC
5.33168 0.92019 0.91739

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.587 0.000 -0.006
O2 0.797 0.000 -0.006
H3 -0.887 -0.002 1.040
H4 -0.983 0.894 -0.476
H5 -0.983 -0.893 -0.480

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.38341.08851.08561.0856
O21.38341.98202.04692.0467
H31.08851.98201.76471.7646
H41.08562.04691.76471.7869
H51.08562.04671.76461.7869

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 105.993 O2 C1 H4 111.424
O2 C1 H5 111.413 H3 C1 H4 108.528
H3 C1 H5 108.517 H4 C1 H5 110.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.139 0.425    
2 O -0.260 -0.338    
3 H 0.145 -0.005    
4 H 0.127 -0.041    
5 H 0.128 -0.041    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.114 -0.001 0.115 2.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.799 0.001 -0.145
y 0.001 -12.820 -0.002
z -0.145 -0.002 -11.618
Traceless
 xyz
x -1.581 0.001 -0.145
y 0.001 -0.111 -0.002
z -0.145 -0.002 1.692
Polar
3z2-r23.384
x2-y2-0.979
xy0.001
xz-0.145
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.435 0.000 0.023
y 0.000 2.425 0.001
z 0.023 0.001 2.096


<r2> (average value of r2) Å2
<r2> 20.960
(<r2>)1/2 4.578