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All results from a given calculation for KF (Potassium Fluoride)

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-695.201815
Energy at 298.15K-695.202617
Nuclear repulsion energy41.833034
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/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 488 456 44.05      

Unscaled Zero Point Vibrational Energy (zpe) 244.1 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 228.1 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/3-21G*
B
0.28210

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 0.695
F2 0.000 0.000 -1.468

Atom - Atom Distances (Å)
  K1 F2
K12.1631
F22.1631

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