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

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-47.259627
Energy at 298.15K-47.261990
HF Energy-47.036419
Nuclear repulsion energy16.214971
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 CCSD/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2981 2806 66.66      
2 A1 1120 1054 3.48      
3 A1 633 596 34.27      
4 E 3046 2867 59.52      
4 E 3046 2867 59.52      
5 E 1467 1381 5.94      
5 E 1467 1381 5.94      
6 E 430 405 169.08      
6 E 430 405 169.09      

Unscaled Zero Point Vibrational Energy (zpe) 7310.2 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 6880.4 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 CCSD/cc-pVTZ
ABC
5.45593 0.75172 0.75172

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.593
C2 0.000 0.000 0.388
H3 0.000 1.011 0.816
H4 -0.875 -0.505 0.816
H5 0.875 -0.505 0.816

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.98122.61252.61252.6125
C21.98121.09771.09771.0977
H32.61251.09771.75091.7509
H42.61251.09771.75091.7509
H52.61251.09771.75091.7509

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 112.937 Li1 C2 H4 112.937
Li1 C2 H5 112.937 H3 C2 H4 105.793
H3 C2 H5 105.793 H4 C2 H5 105.793
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability