Jump to main content
Jump to site search

Issue 18, 2002
Previous Article Next Article

Synthesis, crystal structure and magneto-structural correlation of two bi-bridging 1D copper(ii) chains

Author affiliations

Abstract

Two 1D bi-bridging Cu(II) chains, catena-oxalate-bis[1-(2-aminoethyl)pyrrolidine-copper(II)]-0.5(squarate) perchlorate hydrate (1) and catena-pyrazine-oxalate-tetraaquo-dicopper(II) diperchlorate (2) have been synthesised and their molecular structures determined by X-ray crystallography. Compound 1 exhibits a polymeric arrangement with a ladder-like structure running parallel to crystallographic axis a, in which two [(Cu(ampy))2(ox)] chains (ampy = 1-(2-aminoethyl)pyrrolidine; ox = oxalate) are linked by squarate groups. The oxalate behaves simultaneously as bis-bridging and bis-monodentate towards four coplanar copper ions, a coordination mode which has never been reported for Cu(II). Compound 2 is characterized by a polymeric array with alternate repetition of bridging oxalate and ‘pyz’ (pyz = pyrazine). Low temperature magnetic behaviour reveals the existence of a dominant weak antiferromagnetic interaction within 1 whereas in 2 a strong antiferromagnetic interaction is observed. The results obtained experimentally corroborate the structural parameters in both 1 and 2.

Graphical abstract: Synthesis, crystal structure and magneto-structural correlation of two bi-bridging 1D copper(ii) chains

Back to tab navigation

Supplementary files

Publication details

The article was received on 15 May 2002, accepted on 12 Jul 2002 and first published on 20 Aug 2002


Article type: Paper
DOI: 10.1039/B204728B
J. Chem. Soc., Dalton Trans., 2002, 3471-3476

  •   Request permissions

    Synthesis, crystal structure and magneto-structural correlation of two bi-bridging 1D copper(II) chains

    P. S. Mukherjee, S. Konar, E. Zangrando, C. Diaz, J. Ribas and N. Ray Chaudhuri*, J. Chem. Soc., Dalton Trans., 2002, 3471
    DOI: 10.1039/B204728B

Search articles by author

Spotlight

Advertisements