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

using model chemistry: PBEPBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-39.775201
Energy at 298.15K-39.776407
HF Energy-39.775201
Nuclear repulsion energy9.536924
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/aug-cc-pVDZ
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' 3043 3025 0.00 170.36 0.06 0.12
2 A2" 551 547 75.00 0.00 0.75 0.86
3 E' 3237 3217 3.88 29.86 0.75 0.86
3 E' 3237 3217 3.88 29.85 0.75 0.86
4 E' 1333 1325 3.08 0.67 0.75 0.86
4 E' 1333 1325 3.08 0.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6367.1 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 6328.3 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/aug-cc-pVDZ
ABC
9.30229 9.30229 4.65115

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
H2 0.000 1.095 0.000
H3 0.948 -0.547 0.000
H4 -0.948 -0.547 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4
C11.09491.09491.0949
H21.09491.89641.8964
H31.09491.89641.8964
H41.09491.89641.8964

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/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.556      
2 H -0.185      
3 H -0.185      
4 H -0.185      


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 -7.383 0.000 0.000
y 0.000 -7.383 0.000
z 0.000 0.000 -9.312
Traceless
 xyz
x 0.965 0.000 0.000
y 0.000 0.965 0.000
z 0.000 0.000 -1.929
Polar
3z2-r2-3.858
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 2.460 0.000 0.000
y 0.000 2.460 0.000
z 0.000 0.000 2.506


<r2> (average value of r2) Å2
<r2> 8.609
(<r2>)1/2 2.934