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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-47.172417
Energy at 298.15K-47.174881
HF Energy-47.015438
Nuclear repulsion energy16.120854
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/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 3030 2805 77.61      
2 A1 1182 1095 20.91      
3 A1 627 580 20.02      
4 E 3104 2873 52.37      
4 E 3104 2873 52.37      
5 E 1529 1416 5.94      
5 E 1529 1416 5.94      
6 E 496 460 218.39      
6 E 496 460 218.39      

Unscaled Zero Point Vibrational Energy (zpe) 7548.5 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 6988.4 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 CISD/6-31G*
ABC
5.37983 0.73693 0.73693

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.609
C2 0.000 0.000 0.397
H3 0.000 1.018 0.814
H4 -0.882 -0.509 0.814
H5 0.882 -0.509 0.814

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li12.00622.62782.62782.6278
C22.00621.09991.09991.0999
H32.62781.09991.76331.7633
H42.62781.09991.76331.7633
H52.62781.09991.76331.7633

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 112.244 Li1 C2 H4 112.244
Li1 C2 H5 112.244 H3 C2 H4 106.562
H3 C2 H5 106.562 H4 C2 H5 106.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability