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

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-2579.478657
Energy at 298.15K 
HF Energy-2579.478657
Nuclear repulsion energy25.735669
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 B3LYP/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 571 551 89.94 21.38 0.13 0.24

Unscaled Zero Point Vibrational Energy (zpe) 285.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 275.3 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 B3LYP/6-31G(2df,p)
B
0.56129

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.989
Br2 0.000 0.000 0.170

Atom - Atom Distances (Å)
  Li1 Br2
Li12.1590
Br22.1590

picture of Lithium Bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) 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 -6.694 6.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.693 0.000 0.000
y 0.000 -22.693 0.000
z 0.000 0.000 -4.892
Traceless
 xyz
x -8.901 0.000 0.000
y 0.000 -8.901 0.000
z 0.000 0.000 17.801
Polar
3z2-r235.602
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 4.691 0.000 0.000
y 0.000 4.691 0.000
z 0.000 0.000 5.403


<r2> (average value of r2) Å2
<r2> 23.347
(<r2>)1/2 4.832