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Dalton Trans. 2007 Jan 21;(3):295-8. doi: 10.1039/b613282k. Epub 2006 Nov 20.

Synthesis and characterization of a spin crossover iron(II)-iron(III) mixed valence supramolecular pseudo-dimer exhibiting chiral recognition, hydrogen bonding, and pi-pi interactions.

Dalton transactions (Cambridge, England : 2003)

Cynthia T Brewer, Greg Brewer, Ray J Butcher, Everett E Carpenter, Ann M Schmiedekamp, Carol Viragh

Affiliations

  1. The Catholic University of America, Washington, DC 20064, USA. [email protected]

PMID: 17200748 DOI: 10.1039/b613282k

Abstract

Reaction of iron(II) and the 3 : 1 Schiff base condensate of 5-methylpyrazole-3-carboxaldehyde and tris(2-aminoethyl)amine in air gives a pseudo-dimer complex with a triple helix structure made of Delta-Delta and Lambda-Lambda pairings of spin crossover iron(II) and low spin iron(III) cations that are held together by three pi-pi and hydrogen bonding interactions.

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