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

using model chemistry: PBEPBEultrafine/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 1Σ
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-2579.033157
Energy at 298.15K 
HF Energy-2579.033157
Nuclear repulsion energy25.674416
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/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 564 558 83.07 29.45 0.13 0.23

Unscaled Zero Point Vibrational Energy (zpe) 281.7 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 278.8 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/6-31G(2df,p)
B
0.55862

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.993
Br2 0.000 0.000 0.171

Atom - Atom Distances (Å)
  Li1 Br2
Li12.1642
Br22.1642

picture of Lithium Bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.010      
2 Br -0.010      


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 -6.574 6.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.748 0.000 0.000
y 0.000 -22.748 0.000
z 0.000 0.000 -4.982
Traceless
 xyz
x -8.883 0.000 0.000
y 0.000 -8.883 0.000
z 0.000 0.000 17.766
Polar
3z2-r235.532
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 4.930 0.000 0.000
y 0.000 4.930 0.000
z 0.000 0.000 5.745


<r2> (average value of r2) Å2
<r2> 23.451
(<r2>)1/2 4.843