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

using model chemistry: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-47.362028
Energy at 298.15K-47.364421
HF Energy-47.362028
Nuclear repulsion energy16.286892
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 B1B95/6-31G(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 3002 2875 55.16      
2 A1 1099 1053 21.51      
3 A1 643 616 16.71      
4 E 3080 2949 39.08      
4 E 3080 2949 39.08      
5 E 1450 1389 9.18      
5 E 1450 1389 9.18      
6 E 450 431 200.50      
6 E 450 431 200.53      

Unscaled Zero Point Vibrational Energy (zpe) 7351.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 7040.9 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 B1B95/6-31G(2df,p)
ABC
5.44817 0.76768 0.76768

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.575
C2 0.000 0.000 0.383
H3 0.000 1.012 0.809
H4 -0.876 -0.506 0.809
H5 0.876 -0.506 0.809

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.95782.58992.58992.5899
C21.95781.09781.09781.0978
H32.58991.09781.75221.7522
H42.58991.09781.75221.7522
H52.58991.09781.75221.7522

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 112.853 Li1 C2 H4 112.853
Li1 C2 H5 112.853 H3 C2 H4 105.888
H3 C2 H5 105.888 H4 C2 H5 105.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.200      
2 C -0.501      
3 H 0.100      
4 H 0.100      
5 H 0.100      


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 -5.245 5.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.671 0.000 0.000
y 0.000 -11.671 0.000
z 0.000 0.000 -1.403
Traceless
 xyz
x -5.134 0.000 0.000
y 0.000 -5.134 0.000
z 0.000 0.000 10.268
Polar
3z2-r220.537
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 4.462 0.000 0.000
y 0.000 4.462 0.000
z 0.000 0.000 6.196


<r2> (average value of r2) Å2
<r2> 18.507
(<r2>)1/2 4.302