Interaction

curated

Interaction Scheme

Molecule

Untitled
1,2-Phenylenediamine

Host

Cb7
CB7

Indicator

Untitled
Procainamide

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 7.80⋅104 ± 1.60⋅104 M-1
Kd =
logKa = 4.89 ± 0.09
T 25.0 °C ≈ 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -27.92 ± 0.52 -6.67 ± 0.12
These are the specifications of the determination of the experimental results.
Detection Method: Competitive
Assay Type: Competitive Binding Assay
Technique: Nuclear Magnetic Resonance
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents Deuterium Oxide
Additives Deuterium chloride 25.0 mM
Total concentration 75.0 mM
pH 4.75
Please find here information about the dataset this interaction is part of.
Citation:

I. W. Wyman, D. H. Macartney, SupraBank 2025, Host–guest complexations of local anaesthetics by cucurbit[7]uril in aqueous solution (dataset). https://doi.org/10.34804/supra.20210928152

Link: https://doi.org/10.34804/supra.20210928152
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

I. W. Wyman, D. H. Macartney, Org. Biomol. Chem. 2010, 8, 247–252.

Link: https://doi.org/10.1039/b915694a
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Binding Isotherm Simulations

The plot depicts the binding isotherm simulation of a 1:1 interaction of 1,2-Phenylenediamine (0.0002564102564102564 M) and CB7 (0 — 0.0005128205128205128 M).