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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-47.226175
Energy at 298.15K-47.228594
HF Energy-47.033801
Nuclear repulsion energy16.163370
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/TZVP
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 2999 2865 85.63      
2 A1 1158 1107 8.06      
3 A1 618 590 27.48      
4 E 3069 2932 68.17      
4 E 3069 2932 68.18      
5 E 1451 1386 1.94      
5 E 1451 1386 1.94      
6 E 467 446 170.94      
6 E 467 446 170.94      

Unscaled Zero Point Vibrational Energy (zpe) 7374.4 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 7044.8 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 QCISD/TZVP
ABC
5.44609 0.74128 0.74128

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.605
C2 0.000 0.000 0.393
H3 0.000 1.012 0.819
H4 -0.876 -0.506 0.819
H5 0.876 -0.506 0.819

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.99742.62642.62642.6264
C21.99741.09801.09801.0980
H32.62641.09801.75251.7525
H42.62641.09801.75251.7525
H52.62641.09801.75251.7525

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 112.847 Li1 C2 H4 112.847
Li1 C2 H5 112.847 H3 C2 H4 105.895
H3 C2 H5 105.895 H4 C2 H5 105.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability