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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-46.490987
Energy at 298.15K-46.493562
HF Energy-46.420507
Nuclear repulsion energy16.000550
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/STO-3G
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 3344 2972 8.96      
2 A1 1391 1237 134.11      
3 A1 652 579 0.50      
4 E 3497 3108 2.55      
4 E 3497 3108 2.55      
5 E 1743 1549 19.65      
5 E 1743 1549 19.65      
6 E 641 570 333.43      
6 E 641 570 333.43      

Unscaled Zero Point Vibrational Energy (zpe) 8574.4 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 7621.8 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/STO-3G
ABC
5.36011 0.71521 0.71521

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.634
C2 0.000 0.000 0.406
H3 0.000 1.020 0.823
H4 -0.883 -0.510 0.823
H5 0.883 -0.510 0.823

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li12.04002.66092.66092.6609
C22.04001.10211.10211.1021
H32.66091.10211.76651.7665
H42.66091.10211.76651.7665
H52.66091.10211.76651.7665

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 112.270 Li1 C2 H4 112.270
Li1 C2 H5 112.270 H3 C2 H4 106.534
H3 C2 H5 106.534 H4 C2 H5 106.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability