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

using model chemistry: MP2=FULL/6-31G*

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/6-31G*
 hartrees
Energy at 0K-47.167487
Energy at 298.15K-47.169942
HF Energy-47.015448
Nuclear repulsion energy16.150173
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/6-31G*
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 3062 2885 53.91      
2 A1 1161 1094 27.36      
3 A1 616 580 17.37      
4 E 3153 2970 36.48      
4 E 3153 2970 36.48      
5 E 1530 1441 6.65      
5 E 1530 1441 6.65      
6 E 496 468 230.31      
6 E 496 468 230.31      

Unscaled Zero Point Vibrational Energy (zpe) 7598.6 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 7159.4 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 MP2=FULL/6-31G*
ABC
5.37672 0.73889 0.73889

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.606
C2 0.000 0.000 0.399
H3 0.000 1.018 0.807
H4 -0.882 -0.509 0.807
H5 0.882 -0.509 0.807

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li12.00562.61962.61962.6196
C22.00561.09701.09701.0970
H32.61961.09701.76381.7638
H42.61961.09701.76381.7638
H52.61961.09701.76381.7638

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 111.834 Li1 C2 H4 111.834
Li1 C2 H5 111.834 H3 C2 H4 107.009
H3 C2 H5 107.009 H4 C2 H5 107.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability