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Journal of Cluster Science

, Volume 19, Issue 1, pp 219–230 | Cite as

Self-Assembly of Supramolecular Architectures Using Chlorotetra(Pyrrole-2-Carboxylato)Diruthenium Molecules as Building Blocks

  • María del Carmen Barral
  • Rodrigo González-Prieto
  • Santiago Herrero
  • Reyes Jiménez-Aparicio
  • José Luis Priego
  • Elia del Carmen Royer
  • María Rosario Torres
  • Francisco Alejandro Urbanos
  • Felix Zamora
Original Paper

Abstract

Two new complexes, based on the unit Ru2Cl(μ-O2CC4H4N)4 (1) (O2CC4H4N = pyrrole-2-carboxylate), Ru2Cl(μ-O2CC4H4N)4(H2O)·4H2O [1(H 2 O)·4H 2 O], and Ru2Cl(μ-O2CC4H4N)4(Me2CO) [1(Me 2 CO)], are synthesized and structurally characterized. The physical properties of these complexes are studied and compared with those previously reported for Ru2Cl(μ-O2CC4H4N)4(thf)·thf·H2O [1(thf)·thf·H 2 O]. The nature of the solvent molecule bonded to the axial position of the dimetallic unit determines the supramolecular interactions leading to different arrangements in the solid state. The presence of NH groups in the pyrrolic rings favours the existence of hydrogen bond interactions that are present in the three complexes. In addition, complex 1(Me 2 CO) shows π–π stacking interactions through pyrrolic rings of different dimetallic units.

Keywords

Diruthenium Metal–metal bonds Carboxylate Pyrrole Supramolecular 

Notes

Acknowledgments

We are grateful to M.E.C., C.A.M, and U.C.M (projects no. CTQ2005-00397, S-0505-MAT-0303, and UCM-921073) for financial support. R.G. wishes to acknowledge the Spanish M.E.C. for his “Juan de la Cierva” position.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • María del Carmen Barral
    • 1
  • Rodrigo González-Prieto
    • 2
  • Santiago Herrero
    • 1
  • Reyes Jiménez-Aparicio
    • 1
  • José Luis Priego
    • 1
  • Elia del Carmen Royer
    • 1
  • María Rosario Torres
    • 3
  • Francisco Alejandro Urbanos
    • 1
  • Felix Zamora
    • 4
  1. 1.Departamento de Química Inorgánica, Facultad de Ciencias QuímicasUniversidad Complutense de MadridMadridSpain
  2. 2.Departamento de Física de la Materia Condensada, Facultad de CienciasUniversidad Autónoma de MadridMadridSpain
  3. 3.Centro de Asistencia a la Investigación de Rayos X, Facultad de Ciencias QuímicasUniversidad ComplutenseMadridSpain
  4. 4.Departamento de Química Inorgánica, Facultad de CienciasUniversidad Autónoma de MadridMadridSpain

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