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All results from a given calculation for CH3Li (methyl lithium)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-47.308862
Energy at 298.15K-47.311224
HF Energy-47.308862
Nuclear repulsion energy16.170573
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/6-31G(2df,p)
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 2924 2894 55.37      
2 A1 1046 1035 61.89      
3 A1 628 621 6.45      
4 E 3002 2971 30.73      
4 E 3002 2971 30.72      
5 E 1401 1386 12.29      
5 E 1401 1386 12.29      
6 E 444 440 215.94      
6 E 444 440 215.97      

Unscaled Zero Point Vibrational Energy (zpe) 7145.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 7072.3 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/6-31G(2df,p)
ABC
5.34286 0.75995 0.75995

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.582
C2 0.000 0.000 0.385
H3 0.000 1.022 0.812
H4 -0.885 -0.511 0.812
H5 0.885 -0.511 0.812

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.96742.60342.60342.6034
C21.96741.10731.10731.1073
H32.60341.10731.76941.7694
H42.60341.10731.76941.7694
H52.60341.10731.76941.7694

picture of methyl lithium state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 C2 H3 112.695 Li1 C2 H4 112.695
Li1 C2 H5 112.695 H3 C2 H4 106.064
H3 C2 H5 106.064 H4 C2 H5 106.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.138      
2 C -0.466      
3 H 0.109      
4 H 0.109      
5 H 0.109      


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 -4.857 4.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.956 0.000 0.000
y 0.000 -11.956 0.000
z 0.000 0.000 -2.052
Traceless
 xyz
x -4.952 0.000 0.000
y 0.000 -4.952 0.000
z 0.000 0.000 9.904
Polar
3z2-r219.808
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 5.081 0.000 0.000
y 0.000 5.082 0.000
z 0.000 0.000 7.895


<r2> (average value of r2) Å2
<r2> 18.916
(<r2>)1/2 4.349