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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 11, Number 6
BKCSDE 11(6)
June 20, 1990

Title	The Measurement of Transfer Enthalpy in Mixed Solvent (Part Ⅰ). Enthalpies of Solution of Aniline, Pyridine and Benzylamine in the Isodielectric Binary Mixtures of Methanol with Acetonitrile, Nitrobenzene and Nitromethane
Author	Ikchoon Lee, Chul Hyun Kang, Bon-Su Lee, Hai Whang Lee
Keywords
Abstract	Enthalpies of solution of aniline, pyridine and benzylamine in iso-dielectric mixtures of methanol with acetonitrile (AN), nitrobenzene (NB) and nitromethane (NM) have been measured calorimetrically. The solute-solvent interaction was analyzed using a model developed by Waghorne et al. and found that the relatively weak base, aniline, tended to behave anomalously, especially in the NB and NM binary systems by forming bidentate hydrogen bonds between the two-NH2 hydrogens and the two-NO2 oxygens. Pyridine and benzylamine were found to be preferentially solvated by methanol in all the binary mixtures.
Page	546 - 552
Full Text	PDF

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