Thermodynamics of Inclusion complexes in Water: β-Cyclodextrin– Alkyl halides Adducts at 303.15 and 313.15 K

Authors

  • Atri D Tripathi Dept. of Chemistry, Faculty of Engineering, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh 224001, India.
  • Tulika Bhatnagar Dept. of Chemistry, Faculty of Engineering, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh 224001, India.

DOI:

https://doi.org/10.48165/

Keywords:

β -cyclodextrin, tetra ethyl ammonium bromide, Calorimetry, host–guest complex, enthalpy of mixing, hydrophobic cavity

Abstract

The interaction in water of tetra ethyl ammonium  bromide ((C2H5)4N(Br)), tetra propyl ammonium  bromide ((CH3CH2CH2)4N(Br)) and  tetrabutylammonium bromide  ((CH3CH2CH2CH2)4N(Br)) with β –cyclodextrin  (β -CD, cyclomaltose) (C42H70O35 ) for dilute  solutions has been studied calorimetrically at the  temperature 303.15 and 313.15 K. The values of  enthalpy of mixing, Q, of two binary aqueous  solutions of β -CD with alkyl halides at all  temperatures have been fltted by the method of  least squares to the equatlon Q = x1x2 [Ao + A1(x2 – x1) + A2(x2 – x1)2+ A3(x2 – x1)3], where x2 refers to  the mole fraction of the alkyl halide. The results  obtained have been interpreted in terms of host guest interaction. 

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References

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Published

2019-05-05

Issue

Vol. 38 No. 1 (2019): Bulletin of Pure and Applied Sciences Chemistry (Jan-Jun) 2019

Section

Articles

How to Cite

Thermodynamics of Inclusion complexes in Water: β-Cyclodextrin– Alkyl halides Adducts at 303.15 and 313.15 K . (2019). Bulletin of Pure and Applied Sciences-Chemistry , 38(1), 67–73. https://doi.org/10.48165/