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Title: Topological investigations of molecular interactions in binary mixtures containing methylene bromide
Authors: Sharma, V.K.
Singh, Jaibir
Singh, Bhup
Issue Date: Jul-1998
Publisher: NISCAIR-CSIR, India
Abstract: Molar excess volumes and molar excess enthalpies of methylene bromide(i)+ cyclohexane (j) and methylene bromide(i) + m-nitrotoluene(j) mixtures have been determined diiatometrically andcalorimetrically as a function of composition at 308.15 K. The analysis of VE data by graph-theoretical approach reveals that methylene bromide + m-nitrotoluene mixture is characterised by interactions between the delocalised p - electron cloud over nitrogen and oxygen atoms of nitro group in m-nitrotoluene and vacant 3d orbitals of bromine atom in methylene bromide. IR studies lend additional support to the nature and extent of interactions for the proposed structure in the mixture. The observed data have also been analysed in terms of Sanchez and Lacombe's theory [J phys Chem, 80(1976)2352; 80(1976)2568].
Page(s): 586-591
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.37A(07) [July 1998]

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