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      https://www.ias.ac.in/article/fulltext/jcsc/130/04/0037

    • Keywords

       

      Volatile organic amines; hydrogen bonding; Lindqvist-type isopolyanions; gas–liquid diffusion.

    • Abstract

       

      Diffusion of piperidine and pyridine into an acidified aqueous solution of Na2MoO4, yield compounds [(pipH)4][Mo8O26] · 4H2O (pip = piperidine = C5H11N) (1) and [(pyH)4][Mo8O26] (py =pyridine = C5H5N) (2), respectively. Compound 1 possesses supramolecular 3-D network and the relevant connectivity pattern generates channels of approximate dimensions of 10.76 × 11.57´A° 2, in which the piperidinium cations are located as guests. Multidimensional supramolecular frameworks (3-D in compound 1 and 2-D layer type of network in compound 2) have been made possible, as the organic cations and polyoxometalate (POM) anions are glued together by significant hydrogen bonding interactions. The synthesis of compounds 1 and 2 provides a unique ‘gas–liquid’ synthetic route in POM chemistry that result in organic–inorganic hybrid materials with structural diversities. This synthetic approach, first time in POM chemistry, can be described as a potential bag filter for volatile organic amines.

    • Author Affiliations

       

      VADDYPALLY SHIVAIAH N TANMAYA KUMAR SAMAR K DAS1

      1. School of Chemistry, University of Hyderabad, Hyderabad, Telangana 500 046, India
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