Interaction Scheme

Molecule

Ba
Ba2+

Host

18 crown 6
18-Crown-6

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 3715.0 ± 85.6 M-1
Kd =
logKa = 3.57 ± 0.01
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -20.38 ± 0.06 -4.87 ± 0.01
ΔH = -22.2 ± 0.02 -5.31 ± 0.0
-TΔS = 2.0 ± 0.1 0.48 ± 0.02
J mol-1 K-1 cal mol-1 K-1
ΔS = -6.7 ± 0.3 -1.6 ± 0.1
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Isothermal Titration Calorimetry
Instrument: ITC
Molecule: syringe
Partner: cell
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents water 75.0 %
Formic acid 25.0 %
Please find here information about the dataset this interaction is part of.
Citation:

H. Buschmann, E. Schollmeyer, K. Jansen, C. Meschke, SupraBank 2024, Thermodynamic Data for Complex Formation Between Cucurbituril and Alkali and Alkaline Earth Cations in Aqueous Formic Acid Solution (dataset). https://doi.org/10.34804/supra.20231010496

Link: https://doi.org/10.34804/supra.20231010496
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

H.-J. Buschmann, K. Jansen, C. Meschke, E. Schollmeyer, Journal of Solution Chemistry 1998, 27, 135–140.

Link: https://doi.org/10.1023/A:1022605306651
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Ba2+ (0.005383580080753701 M) and 18-Crown-6 (0 — 0.010767160161507403 M).