Interaction Scheme

Molecule

Coumarin 30 neutral
Coumarin-30-neutral

c = 1.0 µM

Host

Cb7
CB7

c = 0.0 — 275.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 4.40⋅104 ± 1000.0 M-1
Kd =
logKa = 4.64 ± 0.01
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -26.5 ± 0.06 -6.33 ± 0.01
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Fluorescence
𝛌ex = 423.0 nm
𝛌em = 500.0 nm
Detailed information about the solvation.
Solvent System Buffer System 5 mM carbonate pH-10.5
Solvents water
Additives Sodium carbonate 4.1 mM
sodium bicabonate 0.9 mM
Source of Concentration estimated
Total concentration 5.0 mM
pH 10.5
Please find here information about the dataset this interaction is part of.
Citation:

J. Mohanty, N. Barooah, A. C. Bhasikuttan, M. Sundararajan, SupraBank 2024, Synergistic Effect of Intramolecular Charge Transfer toward Supramolecular pKa Shift in Cucurbit[7]uril Encapsulated Coumarin Dyes (dataset). https://doi.org/10.34804/supra.20210928179

Link: https://doi.org/10.34804/supra.20210928179
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

N. Barooah, M. Sundararajan, J. Mohanty, A. C. Bhasikuttan, J. Phys. Chem. B 2014, 118, 7136–7146.

Link: https://doi.org/10.1021/jp501824p
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Coumarin-30-neutral (0.00045454545454545455 M) and CB7 (0 — 0.0009090909090909091 M).