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

using model chemistry: PBEPBE/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 2A1
Energy calculated at PBEPBE/cc-pCVTZ
 hartrees
Energy at 0K-39.788884
Energy at 298.15K-39.790071
HF Energy-39.788884
Nuclear repulsion energy9.612045
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/cc-pCVTZ
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' 3046 3046 0.00      
2 A2" 517 517 74.05      
3 E' 3225 3225 4.89      
3 E' 3225 3225 4.89      
4 E' 1355 1355 3.52      
4 E' 1355 1355 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 6360.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6360.9 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/cc-pCVTZ
ABC
9.44942 9.44942 4.72471

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pCVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.000 1.086 0.000
H3 0.941 -0.543 0.000
H4 -0.941 -0.543 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4
C11.08631.08631.0863
H21.08631.88161.8816
H31.08631.88161.8816
H41.08631.88161.8816

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 PBEPBE/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.410      
2 H 0.137      
3 H 0.137      
4 H 0.137      


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 -7.245 0.000 0.000
y 0.000 -7.245 0.000
z 0.000 0.000 -9.025
Traceless
 xyz
x 0.890 0.000 0.000
y 0.000 0.890 0.000
z 0.000 0.000 -1.780
Polar
3z2-r2-3.560
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 2.147 0.000 0.000
y 0.000 2.147 0.000
z 0.000 0.000 1.570


<r2> (average value of r2) Å2
<r2> 8.436
(<r2>)1/2 2.904