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

using model chemistry: MP4/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP4/6-311+G(3df,2p)
 hartrees
Energy at 0K-47.263155
Energy at 298.15K-47.265489
HF Energy-47.034946
Nuclear repulsion energy16.174353
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 MP4/6-311+G(3df,2p)
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 2965 2798        
2 A1 1101 1039        
3 A1 620 585        
4 E 3036 2865        
4 E 3036 2865        
5 E 1456 1375        
5 E 1456 1374        
6 E 421 398        
6 E 421 398        

Unscaled Zero Point Vibrational Energy (zpe) 7256.2 cm-1
Scaled (by 0.9438) Zero Point Vibrational Energy (zpe) 6848.4 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 MP4/6-311+G(3df,2p)
ABC
5.42203 0.74742 0.74742

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.597
C2 0.000 0.000 0.390
H3 0.000 1.014 0.817
H4 -0.878 -0.507 0.817
H5 0.878 -0.507 0.817

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.98772.61822.61822.6182
C21.98771.10001.10001.1000
H32.61821.10001.75641.7564
H42.61821.10001.75641.7564
H52.61821.10001.75641.7564

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 112.794 Li1 C2 H4 112.794
Li1 C2 H5 112.794 H3 C2 H4 105.954
H3 C2 H5 105.954 H4 C2 H5 105.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability