Structural Chemistry

, Volume 2, Issue 3–4, pp (23)231–(30)238 | Cite as

Synthesis, Mössbauer, and IP spectroscopic studies and thermal behavior of diorganotin(IV) complexes with carbohydrate ligands

  • L. Nagy
  • L. Korecz
  • I. Kiricsi
  • L. Zsikla
  • K. Burger
Article
  • 27 Downloads

Abstract

A series of diethyltin(IV) complexes with carbohydrate ligands (aldoses, polyalcohols, sugar acids, sugar amines, and di- and trisaccharides] was prepared. The compositions of the complexes were determined by standard analytical methods. The results showed that complexes formed containing the diethyltin moiety and the carbohydrate ligand in 1∶1 ratio. The IR spectra were consistent with the presence of tin—carbohydrate oxygen vibrations in the compounds. The comparison of experimental quadrupole splitting values with those calculated on the basis of the partial quadrupole splitting (PQS) concept revealed the compounds to be of three types: complexes in with the central tin(IV) atoms are present in purely trigonal bipyramidal surroundings, ones with the tin(IV) atoms present in purely octahedral surroundings, or ones with both octahedral and trigonal bipyramidal arrangements in approximately 1∶1 ratio. The thermal decompositions showed that some of the complexes decompose via the reduction of tin(IV) to SnO as the final tin-containing product, some of them decompose without reduction, to give SnO2, and some decompose to give indefinite final tin-containing products.

Keywords

Sugar Thermal Decomposition SnO2 Aldose Bipyramidal 

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Copyright information

© VCH Publishers, Inc 1991

Authors and Affiliations

  • L. Nagy
    • 1
  • L. Korecz
    • 2
  • I. Kiricsi
    • 3
  • L. Zsikla
    • 4
  • K. Burger
    • 5
  1. 1.Department of Inorganic and Analytical ChemistryA. József UniversitySzegedHungary
  2. 2.Department of Atomic PhysicsL. Eötvös UniversityBudapestHungary
  3. 3.Department of Applied ChemistryA. József UniversitySzegedHungary
  4. 4.A. József UniversitySzegedHungary
  5. 5.A. József UniversitySzegedHungary

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