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All results from a given calculation for LiBr (Lithium Bromide)

using model chemistry: B2PLYP/6-31G*

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 B2PLYP/6-31G*
 hartrees
Energy at 0K-2578.808726
Energy at 298.15K 
HF Energy-2578.769347
Nuclear repulsion energy25.540020
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 B2PLYP/6-31G*
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 589 559 96.79 19.62 0.17 0.29

Unscaled Zero Point Vibrational Energy (zpe) 294.4 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 279.4 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 B2PLYP/6-31G*
B
0.55279

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.004
Br2 0.000 0.000 0.172

Atom - Atom Distances (Å)
  Li1 Br2
Li12.1756
Br22.1756

picture of Lithium Bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.372      
2 Br -0.372      


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 -6.862 6.862
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.688 0.000 0.000
y 0.000 -22.688 0.000
z 0.000 0.000 -4.891
Traceless
 xyz
x -8.899 0.000 0.000
y 0.000 -8.899 0.000
z 0.000 0.000 17.798
Polar
3z2-r235.595
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 3.640 0.000 0.000
y 0.000 3.640 0.000
z 0.000 0.000 5.223


<r2> (average value of r2) Å2
<r2> 23.534
(<r2>)1/2 4.851