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

using model chemistry: QCISD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-47.272278
Energy at 298.15K-47.274626
HF Energy-47.036923
Nuclear repulsion energy16.171785
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 QCISD(T)/aug-cc-pVTZ
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 2955 2857        
2 A1 1093 1056        
3 A1 625 604        
4 E 3023 2922        
4 E 3023 2922        
5 E 1452 1403        
5 E 1451 1403        
6 E 427 413        
6 E 427 413        

Unscaled Zero Point Vibrational Energy (zpe) 7237.2 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 6997.0 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 QCISD(T)/aug-cc-pVTZ
ABC
5.41550 0.74772 0.74772

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ

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 1.015 0.816
H4 -0.879 -0.507 0.816
H5 0.879 -0.507 0.816

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.98722.61772.61772.6177
C21.98721.10041.10041.1004
H32.61771.10041.75751.7575
H42.61771.10041.75751.7575
H52.61771.10041.75751.7575

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 112.766 Li1 C2 H4 112.766
Li1 C2 H5 112.766 H3 C2 H4 105.984
H3 C2 H5 105.984 H4 C2 H5 105.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability