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All results from a given calculation for KBr (Potassium Bromide)

using model chemistry: B3LYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-3159.037186
Energy at 298.15K-3159.040696
Nuclear repulsion energy123.962581
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/3-21G*
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 227 219 23.33      

Unscaled Zero Point Vibrational Energy (zpe) 113.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 109.3 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/3-21G*
B
0.08019

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 -1.840
Br2 0.000 0.000 0.999

Atom - Atom Distances (Å)
  K1 Br2
K12.8388
Br22.8388

picture of Potassium Bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.534      
2 Br -0.534      


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 -10.020 10.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.030 0.000 0.000
y 0.000 -32.030 0.000
z 0.000 0.000 -18.724
Traceless
 xyz
x -6.653 0.000 0.000
y 0.000 -6.653 0.000
z 0.000 0.000 13.307
Polar
3z2-r226.614
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 5.016 0.000 0.000
y 0.000 5.016 0.000
z 0.000 0.000 8.964


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000