Formation of high nuclearity mixed-valent polyoxovanadates in the presence of copper amine complexes

Jency Thomas, Sanjeev Sharma, S. E. Lofland, K. V. Ramanujachary, A. Ramanan

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Two new Müller-type clusters, a one-dimensional solid {Cu(en) 2} 4[Cl ⊂ V 15O 36]·12H 2O 1, and a three-dimensional solid [Cu(pn) 2} 4[Cl ⊂ V 18O 42]·12H 2O 2, have been synthesised by employing identical hydrothermal conditions except varying the nature of organic diamine. 1 crystallised in a chiral space group P2 12 12 1 with a = 12·757(1), b = 18·927(2) and c = 28·590(3) Å, and Z = 4. 2 crystallised in a tetragonal system with space group P4/nnc, a = 15·113(1) and c = 18·542(3) Å, and Z= 2. Mixed-valent vanadium ions in structures 1 and 2 have been established both by magnetisation and bond-length bondvalence measurements. Chemistry of formation of high nuclearity polyoxovanadate clusters is discussed.

Original languageEnglish (US)
Pages (from-to)79-86
Number of pages8
JournalJournal of Chemical Sciences
Volume118
Issue number1
DOIs
StatePublished - Jan 2006

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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