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

using model chemistry: MP2=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-47.274214
Energy at 298.15K-47.276552
HF Energy-47.035044
Nuclear repulsion energy16.281193
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/6-311+G(3df,2p)
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 3032 2859 56.82      
2 A1 1092 1030 0.01      
3 A1 632 595 36.29      
4 E 3114 2936 38.33      
4 E 3114 2936 38.33      
5 E 1464 1380 3.70      
5 E 1464 1380 3.70      
6 E 421 397 164.69      
6 E 421 397 164.69      

Unscaled Zero Point Vibrational Energy (zpe) 7377.2 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 6954.5 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/6-311+G(3df,2p)
ABC
5.46417 0.75945 0.75945

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.584
C2 0.000 0.000 0.388
H3 0.000 1.010 0.807
H4 -0.875 -0.505 0.807
H5 0.875 -0.505 0.807

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.97242.59602.59602.5960
C21.97241.09361.09361.0936
H32.59601.09361.74961.7496
H42.59601.09361.74961.7496
H52.59601.09361.74961.7496

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 112.528 Li1 C2 H4 112.528
Li1 C2 H5 112.528 H3 C2 H4 106.249
H3 C2 H5 106.249 H4 C2 H5 106.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability