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

using model chemistry: ROHF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at ROHF/3-21G*
 hartrees
Energy at 0K-46.752481
Energy at 298.15K-46.755053
HF Energy-46.752481
Nuclear repulsion energy16.191489
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/3-21G*
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 3085 2803 83.67      
2 A1 1278 1161 0.01      
3 A1 685 622 26.27      
4 E 3135 2849 82.97      
4 E 3135 2849 82.97      
5 E 1647 1496 3.17      
5 E 1647 1496 3.17      
6 E 536 487 231.58      
6 E 536 487 231.58      

Unscaled Zero Point Vibrational Energy (zpe) 7842.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 7125.0 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/3-21G*
ABC
5.41416 0.74196 0.74196

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.603
C2 0.000 0.000 0.398
H3 0.000 1.015 0.807
H4 -0.879 -0.507 0.807
H5 0.879 -0.507 0.807

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li12.00132.61472.61472.6147
C22.00131.09391.09391.0939
H32.61471.09391.75771.7577
H42.61471.09391.75771.7577
H52.61471.09391.75771.7577

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 111.927 Li1 C2 H4 111.927
Li1 C2 H5 111.927 H3 C2 H4 106.907
H3 C2 H5 106.907 H4 C2 H5 106.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.481      
2 C -0.905      
3 H 0.142      
4 H 0.142      
5 H 0.142      


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 -5.504 5.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.409 0.000 0.000
y 0.000 -11.408 -0.002
z 0.000 -0.002 -0.886
Traceless
 xyz
x -5.262 0.000 0.000
y 0.000 -5.260 -0.002
z 0.000 -0.002 10.522
Polar
3z2-r221.044
x2-y2-0.001
xy0.000
xz0.000
yz-0.002


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> 18.637
(<r2>)1/2 4.317