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

using model chemistry: PBEPBE/6-31+G**

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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-2578.881675
Energy at 298.15K 
HF Energy-2578.881675
Nuclear repulsion energy25.242700
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/6-31+G**
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 546 539 110.13 31.11 0.11 0.20

Unscaled Zero Point Vibrational Energy (zpe) 272.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 269.6 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/6-31+G**
B
0.53999

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

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
Li12.2012
Br22.2012

picture of Lithium Bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.568      
2 Br -0.568      


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 -7.152 7.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.281 0.000 0.000
y 0.000 -23.281 0.000
z 0.000 0.000 -4.718
Traceless
 xyz
x -9.281 0.000 0.000
y 0.000 -9.281 0.000
z 0.000 0.000 18.563
Polar
3z2-r237.126
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 4.309 0.000 0.000
y 0.000 4.309 0.000
z 0.000 0.000 6.214


<r2> (average value of r2) Å2
<r2> 24.064
(<r2>)1/2 4.906