return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-47.401120
Energy at 298.15K-47.403576
HF Energy-47.401120
Nuclear repulsion energy16.185473
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 B3LYPultrafine/6-31G*
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 2981 2856 76.25      
2 A1 1138 1090 38.69      
3 A1 641 614 14.75      
4 E 3047 2919 43.41      
4 E 3047 2919 43.41      
5 E 1492 1429 8.08      
5 E 1492 1429 8.08      
6 E 491 471 221.47      
6 E 491 471 221.49      

Unscaled Zero Point Vibrational Energy (zpe) 7409.5 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 7098.3 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 B3LYPultrafine/6-31G*
ABC
5.38221 0.75334 0.75334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.590
C2 0.000 0.000 0.390
H3 0.000 1.018 0.811
H4 -0.881 -0.509 0.811
H5 0.881 -0.509 0.811

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.97962.60782.60782.6078
C21.97961.10161.10161.1016
H32.60781.10161.76291.7629
H42.60781.10161.76291.7629
H52.60781.10161.76291.7629

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 112.486 Li1 C2 H4 112.486
Li1 C2 H5 112.486 H3 C2 H4 106.296
H3 C2 H5 106.296 H4 C2 H5 106.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.346      
2 C -0.693      
3 H 0.116      
4 H 0.116      
5 H 0.116      


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 -5.003 5.003
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.770 0.000 0.000
y 0.000 -11.770 0.000
z 0.000 0.000 -1.886
Traceless
 xyz
x -4.942 0.000 0.000
y 0.000 -4.942 0.000
z 0.000 0.000 9.884
Polar
3z2-r219.769
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 4.573 0.000 0.000
y 0.000 4.574 -0.000
z 0.000 -0.000 6.730


<r2> (average value of r2) Å2
<r2> 18.869
(<r2>)1/2 4.344