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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-22.841870
Energy at 298.15K-22.844772
Nuclear repulsion energy20.224975
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/CEP-121G
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 3267 2981 39.84      
2 A 3247 2963 44.06      
3 A 3148 2872 20.88      
4 A 1641 1497 8.38      
5 A 1578 1440 19.40      
6 A 1568 1431 5.98      
7 A 1158 1057 9.68      
8 A 1066 972 24.98      
9 A 737 672 83.41      

Unscaled Zero Point Vibrational Energy (zpe) 8704.3 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 7942.7 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 HF/CEP-121G
ABC
5.31377 0.86789 0.86588

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.579 0.000 -0.006
O2 0.854 0.000 -0.007
H3 -0.883 -0.000 1.038
H4 -0.963 0.893 -0.486
H5 -0.963 -0.893 -0.486

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.43321.08781.08421.0842
O21.43322.02682.08062.0806
H31.08782.02681.76881.7688
H41.08422.08061.76881.7868
H51.08422.08061.76881.7868

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 106.210 O2 C1 H4 110.709
O2 C1 H5 110.709 H3 C1 H4 109.049
H3 C1 H5 109.048 H4 C1 H5 110.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.265      
2 O -0.226      
3 H 0.176      
4 H 0.158      
5 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.442 0.000 0.116 2.445
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.179 0.000 -0.127
y 0.000 -12.693 -0.000
z -0.127 -0.000 -11.509
Traceless
 xyz
x -2.078 0.000 -0.127
y 0.000 0.151 -0.000
z -0.127 -0.000 1.928
Polar
3z2-r23.855
x2-y2-1.486
xy0.000
xz-0.127
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.287 0.000 0.026
y 0.000 2.255 0.000
z 0.026 0.000 1.990


<r2> (average value of r2) Å2
<r2> 19.489
(<r2>)1/2 4.415