Interaction

curated

Interaction Scheme

Molecule

Untitled
Potassium chloride

Host

2.2.2 cryptand
[2.2.2]Cryptand

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 2.00⋅105 M-1
Kd =
logKa = 5.3
T 25.0 °C ≈ 298 K
kin= 7500000.0 ± M-1s-1
kout= 37.5 ± s-1
Energy kJ mol-1 kcal mol-1
ΔG = -30.26 -7.23
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Potentiometry
Detailed information about the solvation.
Solvent System Single Solvent
Solvent acetonitrile
Please find here information about the dataset this interaction is part of.
Citation:

G. W. Gokel, W. M. Leevy, M. E. Weber, SupraBank 2025, Crown Ethers:  Sensors for Ions and Molecular Scaffolds for Materials and Biological Models (dataset). https://doi.org/10.34804/supra.20210928196

Link: https://doi.org/10.34804/supra.20210928196
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

G. W. Gokel, W. M. Leevy, M. E. Weber, Chem. Rev. 2004, 104, 2723–2750.

Link: https://doi.org/10.1021/cr020080k
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Binding Isotherm Simulations

The plot depicts the binding isotherm simulation of a 1:1 interaction of Potassium chloride (0.0001 M) and [2.2.2]Cryptand (0 — 0.0002 M).