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

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C1 2A'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-114.957148
Energy at 298.15K 
HF Energy-114.957148
Nuclear repulsion energy34.452778
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/6-311+G(3df,2p)
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 551 546 100.62      
2 A 920 912 0.39      
3 A 1099 1090 7.79      
4 A 1272 1262 14.60      
5 A 1287 1276 36.70      
6 A 1459 1447 5.30      
7 A 2764 2742 2.52      
8 A 2850 2827 40.71      
9 A 2896 2872 30.84      

Unscaled Zero Point Vibrational Energy (zpe) 7548.7 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 7486.8 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/6-311+G(3df,2p)
ABC
5.19520 0.94414 0.93511

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.565 0.000 -0.019
O2 0.787 0.000 -0.007
H3 -0.873 -0.001 1.060
H4 -1.017 0.921 -0.444
H5 -1.017 -0.920 -0.446

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.35181.12261.11061.1106
O21.35181.97352.07212.0720
H31.12261.97351.77041.7703
H41.11062.07211.77041.8414
H51.11062.07201.77031.8414

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 105.420 O2 C1 H4 114.241
O2 C1 H5 114.234 H3 C1 H4 104.894
H3 C1 H5 104.880 H4 C1 H5 111.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.070      
2 O -0.432      
3 H 0.135      
4 H 0.113      
5 H 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.136 -0.001 0.252 2.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.812 0.001 -0.290
y 0.001 -12.929 -0.001
z -0.290 -0.001 -11.779
Traceless
 xyz
x -1.458 0.001 -0.290
y 0.001 -0.134 -0.001
z -0.290 -0.001 1.592
Polar
3z2-r23.184
x2-y2-0.883
xy0.001
xz-0.290
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.670 0.000 -0.049
y 0.000 3.099 0.001
z -0.049 0.001 2.642


<r2> (average value of r2) Å2
<r2> 20.936
(<r2>)1/2 4.576