Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/99511
Type: Artigo de periódico
Title: Tin(iv) Phosphonates With α-layered Structure: Synthesis And Characterization
Author: Medeiros M.E.
Alves O.L.
Abstract: The synthesis of layered compounds of the general formula Sn(RPO 3)2·xH2O (R = phenyl, 2-carboxyethyl) and Sn(RPO3)2·xH2O (R = dodecyl) are reported. These compounds are formed by the reaction of nitric solutions of SnCl4 with the phosphonic acid or phosphoric ester followed by heating under reflux. The interlayer distances of 13.87, 15.37 and 32.70 Å for 2-carboxyethyl, phenyl and dodecyl derivatives, respectively, are determined by the XRD patterns. A linear relationship between the molar volume and the interlayer distance is observed suggesting an alpha structure similar to α-Sn(RPO4)2·H2O. FTIR spectra show the formation of an Sn- O-P skeleton.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0011588384&partnerID=40&md5=c356485fae36faa3f7c17e2ba32eb687
Date Issue: 1992
Appears in Collections:Unicamp - Artigos e Outros Documentos

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