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Saccharinato complexes of Ce(V) with 2-hydroxypyridine: Synthesis, spectroscopic and thermal characteristics of [Ce(sac)2(SO4)(H2O)4] and [Ce(sac)2(SO4)(PyOH)2] by Akmal S. Gaballa; Said M. Teleb; Thomas Müller is a Chemistry article available to read on EtoBox.

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The synthesis of Ce(IV) complexes [Ce(sac)2(SO4)(H2O)4] (1) and [Ce(sac)2 (SO4)(PyOH)2] (2) (sac=saccharinate, PyOH=2-hydroxypyridine) starting with sodium saccharinate is described. Their vibrational and nuclear magnetic resonance (1H, 13C) spectra as well as their thermal mode of degradation were investigated. The data indicate that sac in complex 1 behaves as a monodentate ligand through the nitrogen atoms. Saccharinato ligand in complex 2 shows different mode of coordination, where it behaves as tridentate and binds Ce(IV) through its carbonylic oxygen, nitrogen and sulphonylic oxygen atoms. The most probable structure in complex 2 is that, units of [Ce(sac)2(SO4)(PyOH)2] are linked by bridges of the O- of sac sulphonyl leading to polymeric chains.

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Author

Akmal S. Gaballa; Said M. Teleb; Thomas Müller

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Pergamon Press Ltd.; Elsevier BV (ISSN 1386-1425)

Published

2008

Language

EN

Field

Chemistry (Physical Sciences)