Interaction

curated

Interaction Scheme

Molecule

Pyronine
Pyronine

c = 1.0 µM

Host

Cb8
CB8

c = 0.0 — 6.25 µM

Binding Properties

𝜈 Molecule 2 : 1 Host
Ka = 3.24⋅1013 ± 6.10⋅1012 M-2
Kd =
logKa = 13.51 ± 0.08
T 25.0 °C ≈ 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -77.12 ± 0.47 -18.43 ± 0.11
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Fluorescence
𝛌em = 510.0 nm
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents water
Additives hydrochloric acid
pH 5.5
Please find here information about the dataset this interaction is part of.
Citation:

P. Montes-Navajas, A. Corma, H. Garcia, SupraBank 2025, Complexation and Fluorescence of Tricyclic Basic Dyes Encapsulated in Cucurbiturils (dataset). https://doi.org/10.34804/supra.2021092824

Link: https://doi.org/10.34804/supra.2021092824
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

P. Montes-Navajas, A. Corma, H. Garcia, ChemPhysChem 2008, 9, 713–720.

Link: https://doi.org/10.1002/cphc.200700735
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Binding Isotherm Simulations

The plot depicts the binding isotherm simulation of a 1:1 interaction of Pyronine (6.17283950617284e-13 M) and CB8 (0 — 1.234567901234568e-12 M).