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: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-47.325246
Energy at 298.15K-47.327557
HF Energy-47.325246
Nuclear repulsion energy16.186880
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 PBEPBEultrafine/aug-cc-pVTZ
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 2908 2875 81.15      
2 A1 1036 1025 8.81      
3 A1 620 613 20.31      
4 E 2975 2942 38.40      
4 E 2975 2942 38.40      
5 E 1391 1375 4.93      
5 E 1391 1375 4.93      
6 E 416 411 163.41      
6 E 416 411 163.42      

Unscaled Zero Point Vibrational Energy (zpe) 7063.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 6984.4 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
5.36702 0.75955 0.75955

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.583
C2 0.000 0.000 0.385
H3 0.000 1.019 0.812
H4 -0.883 -0.510 0.812
H5 0.883 -0.510 0.812

Atom - Atom Distances (Å)
  Li1 C2 H3 H4 H5
Li11.96832.60332.60332.6033
C21.96831.10511.10511.1051
H32.60331.10511.76541.7654
H42.60331.10511.76541.7654
H52.60331.10511.76541.7654

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 112.739 Li1 C2 H4 112.739
Li1 C2 H5 112.739 H3 C2 H4 106.015
H3 C2 H5 106.015 H4 C2 H5 106.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li -0.019      
2 C -0.413      
3 H 0.144      
4 H 0.144      
5 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -5.485 5.485
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.091 0.000 0.000
y 0.000 -12.091 0.000
z 0.000 0.000 -2.249
Traceless
 xyz
x -4.921 0.000 0.000
y 0.000 -4.921 0.000
z 0.000 0.000 9.842
Polar
3z2-r219.685
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.546 0.000 0.000
y 0.000 5.546 -0.000
z 0.000 -0.000 8.280


<r2> (average value of r2) Å2
<r2> 19.009
(<r2>)1/2 4.360