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: CCD/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 CCD/3-21G
 hartrees
Energy at 0K-46.869401
Energy at 298.15K-46.871921
HF Energy-46.752055
Nuclear repulsion energy15.991453
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 CCD/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 2950 2869 82.53      
2 A1 1205 1172 34.61      
3 A1 631 614 8.51      
4 E 3019 2935 49.92      
4 E 3019 2935 49.92      
5 E 1552 1509 7.31      
5 E 1552 1509 7.31      
6 E 523 508 276.76      
6 E 523 508 276.75      

Unscaled Zero Point Vibrational Energy (zpe) 7486.8 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 7279.4 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 CCD/3-21G
ABC
5.28433 0.72075 0.72075

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.627
C2 0.000 0.000 0.406
H3 0.000 1.027 0.815
H4 -0.890 -0.514 0.815
H5 0.890 -0.514 0.815

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li12.03252.64892.64892.6489
C22.03251.10571.10571.1057
H32.64891.10571.77911.7791
H42.64891.10571.77911.7791
H52.64891.10571.77911.7791

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 111.721 Li1 C2 H4 111.721
Li1 C2 H5 111.721 H3 C2 H4 107.131
H3 C2 H5 107.131 H4 C2 H5 107.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability