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 LiB (Lithium boride)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Π
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-32.115462
Energy at 298.15K-32.114139
HF Energy-32.115462
Nuclear repulsion energy3.688740
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 PBEPBE/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 518 513 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 259.0 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 256.3 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 PBEPBE/6-31G(2df,p)
B
0.84957

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.345
B2 0.000 0.000 0.807

Atom - Atom Distances (Å)
  Li1 B2
Li12.1519
B22.1519

picture of Lithium boride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li -0.138      
2 B 0.138      


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 -4.340 4.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.896 0.000 0.000
y 0.000 -10.160 0.000
z 0.000 0.000 -5.824
Traceless
 xyz
x -6.904 0.000 0.000
y 0.000 0.200 0.000
z 0.000 0.000 6.704
Polar
3z2-r213.407
x2-y2-4.736
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.408 0.000 0.000
y 0.000 7.237 0.000
z 0.000 0.000 15.361


<r2> (average value of r2) Å2
<r2> 15.111
(<r2>)1/2 3.887