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: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-47.215945
Energy at 298.15K-47.218363
HF Energy-47.026391
Nuclear repulsion energy16.206856
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 MP2=FULL/6-311G*
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 3020 2860 65.57      
2 A1 1166 1104 2.58      
3 A1 627 594 25.71      
4 E 3104 2940 46.51      
4 E 3104 2940 46.51      
5 E 1511 1431 2.06      
5 E 1511 1431 2.06      
6 E 464 439 197.48      
6 E 464 439 197.48      

Unscaled Zero Point Vibrational Energy (zpe) 7485.5 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 7089.5 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 MP2=FULL/6-311G*
ABC
5.43089 0.75094 0.75094

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.593
C2 0.000 0.000 0.390
H3 0.000 1.013 0.813
H4 -0.877 -0.507 0.813
H5 0.877 -0.507 0.813

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.98352.61092.61092.6109
C21.98351.09791.09791.0979
H32.61091.09791.75501.7550
H42.61091.09791.75501.7550
H52.61091.09791.75501.7550

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 112.646 Li1 C2 H4 112.646
Li1 C2 H5 112.646 H3 C2 H4 106.119
H3 C2 H5 106.119 H4 C2 H5 106.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability