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

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-47.271176
Energy at 298.15K-47.273530
HF Energy-47.036459
Nuclear repulsion energy16.310567
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3038 2884 48.43      
2 A1 1098 1043 2.60      
3 A1 639 607 34.00      
4 E 3103 2946 41.11      
4 E 3103 2946 41.11      
5 E 1472 1397 6.02      
5 E 1472 1397 6.02      
6 E 425 403 176.61      
6 E 425 403 176.61      

Unscaled Zero Point Vibrational Energy (zpe) 7386.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 7013.0 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 MP2=FULL/cc-pVTZ
ABC
5.49763 0.76120 0.76120

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.582
C2 0.000 0.000 0.387
H3 0.000 1.007 0.808
H4 -0.872 -0.504 0.808
H5 0.872 -0.504 0.808

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.96992.59372.59372.5937
C21.96991.09121.09121.0912
H32.59371.09121.74431.7443
H42.59371.09121.74431.7443
H52.59371.09121.74431.7443

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 112.651 Li1 C2 H4 112.651
Li1 C2 H5 112.651 H3 C2 H4 106.112
H3 C2 H5 106.112 H4 C2 H5 106.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability