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CoII/ZnII–(L-Tyrosine) Magnetic Metal–Organic Frameworks

  1. Bo Zhou1,2,
  2. Nuno J. O. Silva3,
  3. Fa-Nian Shi1,
  4. Fernando Palacio4,
  5. Luís Mafra1,
  6. João Rocha1

Article first published online: 13 JUL 2012

DOI: 10.1002/ejic.201200169

Issue

European Journal of Inorganic Chemistry

European Journal of Inorganic Chemistry

Special Issue: Organic-Inorganic Hybrid Materials: Design and Applications (Cluster Issue)

Volume 2012, Issue 32, pages 5259–5268, November 2012

Additional Information

How to Cite

Zhou, B., Silva, N. J. O., Shi, F.-N., Palacio, F., Mafra, L. and Rocha, J. (2012), CoII/ZnII–(L-Tyrosine) Magnetic Metal–Organic Frameworks. Eur. J. Inorg. Chem., 2012: 5259–5268. doi: 10.1002/ejic.201200169

Author Information

  1. 1

    Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal, Fax: +351-234-370084

  2. 2

    Jiangsu Key Laboratory of New Power Batteries, Jiangsu Key Laboratory of Biofunctional Materials, Laboratory of Electrochemistry, College of Chemistry and Materials Science, Nanjing Normal University, 210097 Nanjing, P. R. China

  3. 3

    Department of Physics, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal

  4. 4

    Instituto de Ciencia de Materiales de Aragón CSIC-Universidad de Zaragoza and Departamento de Física de la Materia Condensada, Facultad de Ciencias, Universidad de Zaragoza, 50009 Zaragoza, Spain

Publication History

  1. Issue published online: 5 NOV 2012
  2. Article first published online: 13 JUL 2012
  3. Manuscript Received: 20 FEB 2012

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Keywords:

  • Amino acids;
  • Cobalt;
  • Zinc;
  • Metal-organic frameworks;
  • Magnetic properties

Abstract

Three chiral coordination polymers assembled from L-tyrosine (L-tyr) and cobalt, cobalt/zinc and zinc salts, with a new three-dimensional (3D) structure and formulated as [M(L-tyr)]n (M = Co, Co/Zn, Zn) have been prepared by mild hydrothermal synthesis. These three compounds are isostructural, crystallize with monoclinic symmetry in the C2 space group and possess four crystallographically unique metal sites in tetrahedral (two) and octahedral (two) coordination environments resulting in two slightly distinct edge-sharing metal dimers with L-tyr linking the metal atoms in pillars. These features result in a dense framework. The study of the magnetic properties of the cobalt-bearing solid reveals a ferromagnetic exchange interaction within the Co2+ dimers. The racemic compound of dl-tyrosine and cobalt was also synthesized and its structure characterized.

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