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

using model chemistry: ROHF/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 ROHF/cc-pVDZ
 hartrees
Energy at 0K-39.559645
Energy at 298.15K-39.560534
HF Energy-39.559645
Nuclear repulsion energy9.668255
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 ROHF/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 3258 2804 0.01      
2 A1 225 193 67.21      
3 E 3450 2969 5.95      
3 E 3450 2969 5.95      
4 E 1501 1292 2.13      
4 E 1501 1292 2.13      

Unscaled Zero Point Vibrational Energy (zpe) 6691.9 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 5759.7 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 ROHF/cc-pVDZ
ABC
9.54349 9.54349 4.79133

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.018
H2 0.000 1.079 -0.036
H3 -0.934 -0.539 -0.036
H4 0.934 -0.539 -0.036

Atom - Atom Distances (Å)
  C1 H2 H3 H4
C11.08011.08011.0801
H21.08011.86841.8684
H31.08011.86841.8684
H41.08011.86841.8684

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 119.746 H2 C1 H4 119.746
H3 C1 H4 119.746
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.183      
2 H 0.061      
3 H 0.061      
4 H 0.061      


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 -0.109 0.109
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.143 0.000 0.000
y 0.000 -7.144 -0.001
z 0.000 -0.001 -8.768
Traceless
 xyz
x 0.812 0.000 0.000
y 0.000 0.812 -0.001
z 0.000 -0.001 -1.625
Polar
3z2-r2-3.249
x2-y20.000
xy0.000
xz0.000
yz-0.001


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


<r2> (average value of r2) Å2
<r2> 8.297
(<r2>)1/2 2.880