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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-46.865611
Energy at 298.15K-46.868128
HF Energy-46.752131
Nuclear repulsion energy16.011087
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 CISD/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 2965 2770 86.27      
2 A1 1207 1128 34.81      
3 A1 636 594 9.76      
4 E 3028 2829 54.16      
4 E 3028 2829 54.16      
5 E 1560 1457 7.52      
5 E 1560 1457 7.52      
6 E 522 488 275.55      
6 E 522 488 275.55      

Unscaled Zero Point Vibrational Energy (zpe) 7513.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 7020.5 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 CISD/3-21G*
ABC
5.29408 0.72274 0.72274

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.624
C2 0.000 0.000 0.405
H3 0.000 1.026 0.814
H4 -0.889 -0.513 0.814
H5 0.889 -0.513 0.814

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li12.02972.64512.64512.6451
C22.02971.10441.10441.1044
H32.64511.10441.77751.7775
H42.64511.10441.77751.7775
H52.64511.10441.77751.7775

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 111.688 Li1 C2 H4 111.687
Li1 C2 H5 111.687 H3 C2 H4 107.167
H3 C2 H5 107.167 H4 C2 H5 107.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability