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

using model chemistry: MP2=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-47.225706
Energy at 298.15K-47.228121
HF Energy-47.024148
Nuclear repulsion energy16.299651
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(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 3071 2886 30.90      
2 A1 1135 1067 11.37      
3 A1 646 607 19.94      
4 E 3160 2970 29.92      
4 E 3160 2970 29.92      
5 E 1497 1407 8.07      
5 E 1497 1407 8.07      
6 E 457 430 208.76      
6 E 457 430 208.76      

Unscaled Zero Point Vibrational Energy (zpe) 7540.0 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 7086.8 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(2df,p)
ABC
5.47729 0.76359 0.76359

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.580
C2 0.000 0.000 0.386
H3 0.000 1.009 0.808
H4 -0.874 -0.504 0.808
H5 0.874 -0.504 0.808

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.96532.59242.59242.5924
C21.96531.09391.09391.0939
H32.59241.09391.74751.7475
H42.59241.09391.74751.7475
H52.59241.09391.74751.7475

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 112.733 Li1 C2 H4 112.733
Li1 C2 H5 112.733 H3 C2 H4 106.022
H3 C2 H5 106.022 H4 C2 H5 106.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability