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

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-3156.645510
Energy at 298.15K-3156.649026
Nuclear repulsion energy121.071803
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 CID/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 231 215 37.06      

Unscaled Zero Point Vibrational Energy (zpe) 115.7 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 107.6 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 CID/3-21G*
B
0.07650

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 -1.884
Br2 0.000 0.000 1.023

Atom - Atom Distances (Å)
  K1 Br2
K12.9066
Br22.9066

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