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

using model chemistry: QCISD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-47.214198
Energy at 298.15K-47.216533
HF Energy-47.020639
Nuclear repulsion energy15.952988
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 QCISD(T)/cc-pVDZ
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 2967 2827        
2 A1 1087 1036        
3 A1 600 572        
4 E 3044 2901        
4 E 3044 2901        
5 E 1440 1373        
5 E 1440 1372        
6 E 431 410        
6 E 431 410        

Unscaled Zero Point Vibrational Energy (zpe) 7240.6 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 6901.0 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 QCISD(T)/cc-pVDZ
ABC
5.27927 0.72575 0.72575

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.621
C2 0.000 0.000 0.397
H3 0.000 1.028 0.828
H4 -0.890 -0.514 0.828
H5 0.890 -0.514 0.828

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li12.01782.65582.65582.6558
C22.01781.11441.11441.1144
H32.65581.11441.78001.7800
H42.65581.11441.78001.7800
H52.65581.11441.78001.7800

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 112.757 Li1 C2 H4 112.757
Li1 C2 H5 112.757 H3 C2 H4 105.995
H3 C2 H5 105.995 H4 C2 H5 105.995
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability