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

using model chemistry: CISD/6-311G*

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 CISD/6-311G*
 hartrees
Energy at 0K-3171.902476
Energy at 298.15K-3171.905971
Nuclear repulsion energy122.681123
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 CISD/6-311G*
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 216 200 39.55      

Unscaled Zero Point Vibrational Energy (zpe) 108.1 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 100.0 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 CISD/6-311G*
B
0.07854

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 -1.859
Br2 0.000 0.000 1.009

Atom - Atom Distances (Å)
  K1 Br2
K12.8684
Br22.8684

picture of Potassium Bromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability