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 LiBr (Lithium Bromide)

using model chemistry: B1B95/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at B1B95/daug-cc-pVDZ
 hartrees
Energy at 0K-2582.075004
Energy at 298.15K 
HF Energy-2582.075004
Nuclear repulsion energy25.243289
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 B1B95/daug-cc-pVDZ
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 566 566 105.12 24.38 0.72 0.83

Unscaled Zero Point Vibrational Energy (zpe) 283.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 283.0 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 B1B95/daug-cc-pVDZ
B
0.54002

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/daug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.027
Br2 0.000 0.000 0.174

Atom - Atom Distances (Å)
  Li1 Br2
Li12.2011
Br22.2011

picture of Lithium Bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li -0.017      
2 Br 0.017      


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 -7.305 7.305
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.939 0.000 0.000
y 0.000 -22.939 0.000
z 0.000 0.000 -4.015
Traceless
 xyz
x -9.462 0.000 0.000
y 0.000 -9.462 0.000
z 0.000 0.000 18.924
Polar
3z2-r237.847
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 5.251 0.000 0.000
y 0.000 5.251 0.000
z 0.000 0.000 5.966


<r2> (average value of r2) Å2
<r2> 23.775
(<r2>)1/2 4.876