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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-7.392147
Energy at 298.15K-7.394680
HF Energy-7.392147
Nuclear repulsion energy8.367077
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 HF/CEP-121G
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 3025 2761 126.90      
2 A1 1238 1130 4.67      
3 A1 643 586 32.69      
4 E 3103 2832 100.24      
4 E 3103 2832 100.24      
5 E 1588 1449 0.56      
5 E 1588 1449 0.56      
6 E 518 472 205.41      
6 E 518 472 205.41      

Unscaled Zero Point Vibrational Energy (zpe) 7661.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 6991.4 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 HF/CEP-121G
ABC
5.38248 0.76061 0.76061

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

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 0.389
H3 0.000 1.018 0.803
H4 -0.881 -0.509 0.803
H5 0.881 -0.509 0.803

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.97122.59282.59282.5928
C21.97121.09861.09861.0986
H32.59281.09861.76281.7628
H42.59281.09861.76281.7628
H52.59281.09861.76281.7628

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 112.110 Li1 C2 H4 112.110
Li1 C2 H5 112.110 H3 C2 H4 106.709
H3 C2 H5 106.709 H4 C2 H5 106.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.739      
2 C -1.091      
3 H 0.117      
4 H 0.117      
5 H 0.117      


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 -5.998 5.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.261 0.000 0.000
y 0.000 -11.261 0.000
z 0.000 0.000 -0.901
Traceless
 xyz
x -5.180 0.000 0.000
y 0.000 -5.180 0.000
z 0.000 0.000 10.359
Polar
3z2-r220.719
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 3.731 0.000 0.000
y 0.000 3.731 0.000
z 0.000 0.000 4.535


<r2> (average value of r2) Å2
<r2> 13.027
(<r2>)1/2 3.609