Interaction

curated

Interaction Scheme

Molecule

Rhodamine 123
Rhodamine 123

c = 1.0 µM

Host

Cb7
CB7

c = 1.0 — 3500.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 1000.0 ± 100.0 M-1
Kd =
logKa = 3.0 ± 0.04
T 25.0 °C ≈ 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -17.12 ± 0.25 -4.09 ± 0.06
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Absorbance
𝛌abs = 503.0 nm
Detailed information about the solvation.
Solvent System Single Solvent
Solvent water
pH 7.0
Please find here information about the dataset this interaction is part of.
Citation:

J. Mohanty, W. M. Nau, SupraBank 2025, Taming fluorescent dyes with cucurbituril (dataset). https://doi.org/10.34804/supra.20210928365

Link: https://doi.org/10.34804/supra.20210928365
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

W. M. Nau, J. Mohanty, International Journal of Photoenergy 2005, 7, 133–141.

Link: https://doi.org/10.1155/S1110662X05000206
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Binding Isotherm Simulations

The plot depicts the binding isotherm simulation of a 1:1 interaction of Rhodamine 123 (0.02 M) and CB7 (0 — 0.04 M).