Synthesis, characterisation and structural studies of [Cu(dach)(μ-NCS)(NCS)]n and [Cu(dach)2(N3)]ClO4 (dach = 1,4-diazacycloheptane)

Nirmal Kumar Karan, Samiran Mitra, Takayuki Matsushita, Volker Gramlich, Georgina Rosair

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)


A new singly bridging complex [Cu(dach)(µ-NCS)(NCS)]n (dach=1,4-diazacycloheptane) has been synthesised and its crystal structure determined. There are many examples of double NCS bridged polymeric chains, but fewer singly bridged ones. IR, ESR and temperature variable magnetic studies are described but no magnetic interaction was found between the copper centres. [Cu(dach)2(N3)]ClO4 has also been characterised by IR, ESR spectra and magnetic studies. The crystal structure determination shows that it is a penta-coordinated monomeric species with an axially coordinated azide linked to the perchlorate counterion by hydrogen bonding. © 2002 Published by Elsevier Science B.V.

Original languageEnglish
Pages (from-to)87-91
Number of pages5
JournalInorganica Chimica Acta
Issue number1
Publication statusPublished - 17 Apr 2002


  • 1,4-Diazacycloheptane
  • Copper(II)
  • Crystal structures
  • Magnetic studies
  • Monomeric azide complexes
  • Thiocyanato bridged complexes


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