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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-47.215246
Energy at 298.15K-47.217662
HF Energy-47.024190
Nuclear repulsion energy16.234506
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 MP2/6-31G(2df,p)
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 3061 2891 31.88      
2 A1 1122 1060 14.43      
3 A1 641 606 19.10      
4 E 3150 2975 30.32      
4 E 3150 2975 30.32      
5 E 1486 1403 8.46      
5 E 1486 1403 8.46      
6 E 461 436 207.11      
6 E 461 436 207.11      

Unscaled Zero Point Vibrational Energy (zpe) 7508.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 7091.9 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 MP2/6-31G(2df,p)
ABC
5.44525 0.75344 0.75344

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.591
C2 0.000 0.000 0.390
H3 0.000 1.012 0.811
H4 -0.876 -0.506 0.811
H5 0.876 -0.506 0.811

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.98062.60582.60582.6058
C21.98061.09591.09591.0959
H32.60581.09591.75271.7527
H42.60581.09591.75271.7527
H52.60581.09591.75271.7527

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 112.579 Li1 C2 H4 112.579
Li1 C2 H5 112.579 H3 C2 H4 106.193
H3 C2 H5 106.193 H4 C2 H5 106.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability