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All results from a given calculation for CH3 (Methyl radical)

using model chemistry: wB97X-D/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 2A1
Energy calculated at wB97X-D/CEP-121G*
 hartrees
Energy at 0K-7.388089
Energy at 298.15K-7.389269
HF Energy-7.388089
Nuclear repulsion energy6.697399
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 wB97X-D/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 A1' 3105 3105 0.00 143.25 0.15 0.26
2 A2" 507 507 121.65 0.00 0.75 0.86
3 E' 3291 3291 13.78 35.95 0.75 0.86
3 E' 3291 3291 13.78 35.91 0.75 0.86
4 E' 1416 1416 3.53 1.87 0.75 0.86
4 E' 1416 1416 3.54 1.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6512.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6512.1 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 wB97X-D/CEP-121G*
ABC
9.47239 9.47239 4.73619

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.000 1.085 0.000
H3 0.940 -0.543 0.000
H4 -0.940 -0.543 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4
C11.08501.08501.0850
H21.08501.87931.8793
H31.08501.87931.8793
H41.08501.87931.8793

picture of Methyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 H3 120.000 H2 C1 H4 120.000
H3 C1 H4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.572      
2 H 0.191      
3 H 0.191      
4 H 0.191      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.069 0.000 0.000
y 0.000 -7.069 0.000
z 0.000 0.000 -9.065
Traceless
 xyz
x 0.998 0.000 0.000
y 0.000 0.998 0.000
z 0.000 0.000 -1.995
Polar
3z2-r2-3.991
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.935 0.000 0.000
y 0.000 1.932 0.000
z 0.000 0.000 1.216


<r2> (average value of r2) Å2
<r2> 8.363
(<r2>)1/2 2.892