Interaction

curated

Interaction Scheme

Molecule

Barbital
Barbital

c = 0.0 — 700.0 µM

Host

5 nitro n n' bis 6 %282 ethylhexanoylamino%29pyrid 2 yl isophthalamide
5-Nitro-N,N'-bis[6-(2-ethylhexanoylamino)pyrid-...

c = 400.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 6.73⋅104 ± 1100.0 M-1
Kd =
logKa = 4.83 ± 0.01
T 25.0 °C ≈ 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -27.56 ± 0.04 -6.59 ± 0.01
ΔH = -156.1 -37.31
-TΔS = 128.4 30.69
J mol-1 K-1 cal mol-1 K-1
ΔS = -430.7 -102.9
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Isothermal Titration Calorimetry
Molecule: syringe
Partner: syringe
Detailed information about the solvation.
Solvent System Single Solvent
Solvent chloroform
Please find here information about the dataset this interaction is part of.
Citation:

C. Dethlefs, J. Eckelmann, H. Kobarg, T. Weyrich, S. Brammer, C. Näther, U. Lüning, SupraBank 2024, Determination of Binding Constants of Hydrogen-Bonded Complexes by ITC, NMR CIS, and NMR Diffusion Experiments (dataset). https://doi.org/10.34804/supra.20210928396

Link: https://doi.org/10.34804/supra.20210928396
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

C. Dethlefs, J. Eckelmann, H. Kobarg, T. Weyrich, S. Brammer, C. Näther, U. Lüning, Eur. J. Org. Chem. 2011, 2011, 2066–2074.

Link: https://doi.org/10.1002/ejoc.201001684
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Binding Isotherm Simulations

The plot depicts the binding isotherm simulation of a 1:1 interaction of Barbital (0.00029717682020802375 M) and 5-Nitro-N,N'-bis[6-(2-ethylhexanoylamino)pyrid-2-yl]isophthalamide (0 — 0.0005943536404160475 M).