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

using model chemistry: BLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 2A1
Energy calculated at BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-39.828325
Energy at 298.15K-39.829529
HF Energy-39.828325
Nuclear repulsion energy9.633692
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 BLYP/aug-cc-pVTZ
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' 3042 3032 0.00 165.54 0.07 0.13
2 A2" 541 540 69.43 0.00 0.75 0.86
3 E' 3211 3200 4.84 30.21 0.75 0.86
3 E' 3211 3200 4.84 30.20 0.75 0.86
4 E' 1374 1369 2.09 0.63 0.75 0.86
4 E' 1374 1369 2.09 0.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6375.9 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 6354.2 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 BLYP/aug-cc-pVTZ
ABC
9.49203 9.49203 4.74601

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.000 1.084 0.000
H3 0.939 -0.542 0.000
H4 -0.939 -0.542 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4
C11.08391.08391.0839
H21.08391.87731.8773
H31.08391.87731.8773
H41.08391.87731.8773

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 BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.925      
2 H 0.308      
3 H 0.308      
4 H 0.308      


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 -7.436 0.000 0.000
y 0.000 -7.436 0.000
z 0.000 0.000 -9.317
Traceless
 xyz
x 0.941 0.000 0.000
y 0.000 0.941 0.000
z 0.000 0.000 -1.881
Polar
3z2-r2-3.763
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 2.517 0.000 0.000
y 0.000 2.517 0.000
z 0.000 0.000 2.663


<r2> (average value of r2) Å2
<r2> 8.560
(<r2>)1/2 2.926