Structural characterizations of some adducts of silver(I) nitrate and perchlorate with some cyclic di- (or tri-) ene organic ligands

  • Lim K
  • Marchetti F
  • Pettinari C
 et al. 
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Abstract

Single crystal X-ray structural characterizations of some adducts of silver(I) nitrate and perchlorate with assorted organic poly-ene ligands (nbd = norbornadiene, bicyclo[2.2.1]hepta-2,5-diene; cod = 1,5-cyclooctadiene; cdt ≡ trans,trans,cis-cyclododeca-1,5,9-triene) are reported, all being polymeric in form (with the exception of mononuclear ionic AgClO4:cod (1:2)), with chains comprised of alternating silver and nitrate/perchlorate components substituted or linked by unsaturated donors which complete the coordination spheres of the silver atoms. In AgNO3:nbd (2:1) (a redetermination), pairs of silver/nitrate strands are linked in a one-dimensional polymer by the nbd ligands. In AgNO3:nbd (1:1)∞, meandering silver/nitrate strands containing pairs of independent silver and nitrate units in a crystallographic mirror plane are linked to either side with parallel planes by nbd ligands. In AgNO3:cod (1:1)∞, the cod ligands 'chelate' to the silver atoms in a silver/nitrate chain. In AgNO3:cdt (1:2)∞, pairs of 'unidentate' cdt ligands are pendant from a silver/nitrate chain, while in the (1:1)∞adduct, the cdt ligands bridge pairs of silver atoms from an adjacent chain forming a two-dimensional web. A common form of the bridging nitrate group in the above is as an O,O′-NO3-O′,O″ bis-chelate, the pair of the bis-oxygen chelates having a common oxygen atom. © 2005 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Olefins
  • Poly-ene ligands
  • Silver
  • X-ray

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Authors

  • Claudio PettinariUniversita degli Studi di Camerino Sezione di Chimica

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  • Kevin C. Lim

  • Fabio Marchetti

  • Brian W. Skelton

  • Bradley J. Smith

  • Allan H. White

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