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

using model chemistry: HF/CEP-121G

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 HF/CEP-121G
 hartrees
Energy at 0K-13.433965
Energy at 298.15K 
HF Energy-13.433965
Nuclear repulsion energy1.662092
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 HF/CEP-121G
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 506 461 108.02 6.02 0.20 0.33

Unscaled Zero Point Vibrational Energy (zpe) 252.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 230.7 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 HF/CEP-121G
B
0.52675

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.053
Br2 0.000 0.000 0.176

Atom - Atom Distances (Å)
  Li1 Br2
Li12.2287
Br22.2287

picture of Lithium Bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.579      
2 Br -0.579      


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 -8.471 8.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.381 0.000 0.000
y 0.000 -19.381 0.000
z 0.000 0.000 -0.255
Traceless
 xyz
x -9.563 0.000 0.000
y 0.000 -9.563 0.000
z 0.000 0.000 19.126
Polar
3z2-r238.252
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 2.111 0.000 0.000
y 0.000 2.111 0.000
z 0.000 0.000 4.660


<r2> (average value of r2) Å2
<r2> 12.554
(<r2>)1/2 3.543