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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-47.108080
Energy at 298.15K-47.110605
HF Energy-47.002901
Nuclear repulsion energy16.034172
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 3007 2857 77.61      
2 A1 1181 1122 25.09      
3 A1 614 583 8.04      
4 E 3100 2946 49.12      
4 E 3100 2946 49.12      
5 E 1525 1448 6.46      
5 E 1525 1448 6.46      
6 E 539 512 258.23      
6 E 539 512 258.23      

Unscaled Zero Point Vibrational Energy (zpe) 7564.4 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 7187.0 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
5.24146 0.72826 0.72826

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 -1.617
C2 0.000 0.000 0.408
H3 0.000 1.031 0.801
H4 -0.893 -0.516 0.801
H5 0.893 -0.516 0.801

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li12.02462.62872.62872.6287
C22.02461.10391.10391.1039
H32.62871.10391.78641.7864
H42.62871.10391.78641.7864
H52.62871.10391.78641.7864

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 110.879 Li1 C2 H4 110.879
Li1 C2 H5 110.879 H3 C2 H4 108.027
H3 C2 H5 108.027 H4 C2 H5 108.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability