Interaction

curated

Interaction Scheme

Molecule

D11d2
1,1'-(undecane-1,11-diyl)bis(1,4-diazabicyclo[2...

Host

Host 1a
syn oxatube

Binding Properties

𝜈 Molecule 1 : 2 Host
Ka = 6.70⋅109 ± 6.70⋅108 M-2
Kd =
logKa = 9.83 ± 0.04
T 25.0 °C ≈ 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -56.09 ± 0.25 -13.41 ± 0.06
ΔH = -65.9 ± 6.59 -15.75 ± 1.58
-TΔS = 9.8 ± 0.98 2.34 ± 0.23
J mol-1 K-1 cal mol-1 K-1
ΔS = -32.9 ± 3.3 -7.9 ± 0.8
Comment
Counter ion :hexafluorophosphate anion.K : K of ternary complex. The cooperativity factor, α = 28
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Isothermal Titration Calorimetry
Instrument: NanoITC LV
VCell = 190.0 𝜇L
Molecule: syringe
Partner: cell
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents acetonitrile 50.0 %
1,2-dichloroethane 50.0 %
Please find here information about the dataset this interaction is part of.
Citation:

A. Valkonen, K. Rissanen, H. Ke, W. Jiang, Y. Ma, SupraBank 2025, Achieving Strong Positive Cooperativity through Activating Weak Non‐Covalent Interactions (dataset). https://doi.org/10.34804/supra.20230310471

Link: https://doi.org/10.34804/supra.20230310471
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

Y. L. Ma, H. Ke, A. Valkonen, K. Rissanen, W. Jiang, Angew. Chem. Int. Ed. 2018, 57, 709–713.

Link: https://doi.org/10.1002/anie.201711077
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Binding Isotherm Simulations

The plot depicts the binding isotherm simulation of a 1:1 interaction of 1,1'-(undecane-1,11-diyl)bis(1,4-diazabicyclo[2.2.2]octan-1-ium) (2.9850746268656717e-09 M) and syn oxatube (0 — 5.970149253731343e-09 M).