Interaction

curated

Interaction Scheme

Molecule

10
(cobaltocene)+

c = 0.0 — 205.02 µM

Host

Zb4
Zorb[4]arene

c = 150.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 4.30⋅104 ± 1.00⋅104 M-1
Kd =
logKa = 4.63 ± 0.1
T 25.0 °C ≈ 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -26.45 ± 0.59 -6.32 ± 0.14
ΔH = -18.1 -4.33
-TΔS = -8.4 -2.01
J mol-1 K-1 cal mol-1 K-1
ΔS = 28.2 6.7
Comment
Counter ion is hexafluorophosphate anion.
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Isothermal Titration Calorimetry
Instrument: Nano ITC LV
VCell = 190.0 𝜇L
VSyringe = 50.0 𝜇L
cmolecule = 1000.0 𝜇M    syringe
cpartner = 150.0 𝜇M    cell
Ninjection = 25
Vinjection = 1.96 𝜇L
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents 1,2-dichloroethane 50.0 %
acetonitrile 50.0 %
Please find here information about the dataset this interaction is part of.
Citation:

A. Valkonen, K. Rissanen, W. Jiang, L. Yang, F. Pan, S. Lu, SupraBank 2024, A conformationally adaptive macrocycle: conformational complexity and host–guest chemistry of zorb[4]arene (dataset). https://doi.org/10.34804/supra.20230110468

Link: https://doi.org/10.34804/supra.20230110468
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

L.-P. Yang, S.-B. Lu, A. Valkonen, F. Pan, K. Rissanen, W. Jiang, Beilstein J. Org. Chem. 2018, 14, 1570–1577.

Link: https://doi.org/10.3762/bjoc.14.134
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Binding Isotherm Simulations

The plot depicts the binding isotherm simulation of a 1:1 interaction of (cobaltocene)+ (0.00046511627906976747 M) and Zorb[4]arene (0 — 0.0009302325581395349 M).