return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD=FULL/Def2TZVPP
 hartrees
Energy at 0K-47.314086
Energy at 298.15K-47.316466
HF Energy-47.037019
Nuclear repulsion energy16.264516
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 CCSD=FULL/Def2TZVPP
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 2989 2989 65.15      
2 A1 1114 1114 1.22      
3 A1 638 638 35.08      
4 E 3053 3053 54.16      
4 E 3053 3053 54.17      
5 E 1465 1465 4.87      
5 E 1465 1465 4.87      
6 E 442 442 166.87      
6 E 442 442 166.88      

Unscaled Zero Point Vibrational Energy (zpe) 7331.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7331.0 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 CCSD=FULL/Def2TZVPP
ABC
5.47328 0.75713 0.75713

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.587
C2 0.000 0.000 0.388
H3 0.000 1.009 0.811
H4 -0.874 -0.505 0.811
H5 0.874 -0.505 0.811

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.97462.60192.60192.6019
C21.97461.09461.09461.0946
H32.60191.09461.74821.7482
H42.60191.09461.74821.7482
H52.60191.09461.74821.7482

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 112.767 Li1 C2 H4 112.767
Li1 C2 H5 112.767 H3 C2 H4 105.983
H3 C2 H5 105.983 H4 C2 H5 105.983
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability