Bioinorganic Chemistry and Applications

Volume 2010 (2010), Article ID 367128, 7 pages

http://dx.doi.org/10.1155/2010/367128

Research Article

## Synthesis and Structural Characterization of a Metal Cluster and a Coordination Polymer Based on the [Mn_{6}(μ_{4}-O)_{2}]^{10+} Unit

Department of Chemistry, University of Cyprus, 1678 Nicosia, Cyprus

Received 24 February 2010; Accepted 9 March 2010

Academic Editor: Spyros Perlepes

Copyright © 2010 Eleni E. Moushi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

#### Linked References

- R. H. Holm, P. Kennepohl, and E. I. Solomon, “Structural and functional aspects of metal sites in biology,”
*Chemical Reviews*, vol. 96, no. 7, pp. 2239–2314, 1996. View at Google Scholar · View at Scopus - R. Bagai and G. Christou, “The Drosophila of single-molecule magnetism: $[{\text{Mn}}_{12}{\text{O}}_{12}{({\text{O}}_{2}\text{CR})}_{16}{({\text{H}}_{2}\text{O})}_{4}]$,”
*Chemical Society Reviews*, vol. 38, no. 4, pp. 1011–1026, 2009. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus - S. Mukhopadhyay, S. K. Mandal, S. Bhaduri, and W. H. Armstrong, “Manganese clusters with relevance to photosystem II,”
*Chemical Reviews*, vol. 104, no. 9, pp. 3981–4026, 2004. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus - J. Barber, “Photosynthetic energy conversion: natural and artificial,”
*Chemical Society Reviews*, vol. 38, no. 1, pp. 185–196, 2009. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus - A. Mishra, W. Wernsdorfer, K. A. Abboud, and G. Christou, “The first high oxidation state manganese-calcium cluster: relevance to the water oxidizing complex of photosynthesis,”
*Chemical Communications*, no. 1, pp. 54–56, 2005. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus - W. Ruttinger and G. C. Dismukes, “Synthetic water-oxidation catalysts for artificial photosynthetic water oxidation,”
*Chemical Reviews*, vol. 97, no. 1, pp. 1–24, 1997. View at Publisher · View at Google Scholar · View at Scopus - R. Brimblecombe, G. F. Swiegers, G. C. Dismukes, and L. Spiccia, “Sustained water oxidation photocatalysis by a bioinspired manganese cluster,”
*Angewandte Chemie International Edition*, vol. 47, no. 38, pp. 7335–7338, 2008. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus - A. J. Wu, J. E. Penner-Hahn, and V. L. Pecoraro, “Structural, spectroscopic, and reactivity models for the manganese catalases,”
*Chemical Reviews*, vol. 104, no. 2, pp. 903–938, 2004. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus - J. Kim and H. Cho, “Reductive coupling of trinuclear $[{\text{Mn}}^{\text{II}}{\text{Mn}}^{{\text{III}}_{2}}\text{O}]$ core to form hexanuclear $[{\text{Mn}}_{4}^{\text{II}}{\text{Mn}}_{2}^{\text{III}}{\text{O}}_{2}]$
cluster,”
*Inorganic Chemistry Communications*, vol. 7, no. 1, pp. 122–124, 2004. View at Publisher · View at Google Scholar · View at Scopus - C. Benelli, M. Murrie, S. Parsons, and R. E. P. Winpenny, “Synthesis, structural and magnetic characterisation of a new Mn-Gd pivalate: preparation from a pre-formed hexanuclear cluster,”
*Dalton Transactions*, no. 23, pp. 4125–4126, 1999. View at Google Scholar · View at Scopus - R. Manchanda, G. W. Brudvig, and R. H. Crabtree, “High-valent oxomanganese clusters: structural and mechanistic work relevant to the oxygen-evolving center in photosystem II,”
*Coordination Chemistry Reviews*, vol. 144, pp. 1–38, 1995. View at Google Scholar · View at Scopus - T. C. Stamatatos, D. Foguet-Albiol, S. P. Perlepes et al., “4-(hydroxymethyl)pyridine and pyrimidine in manganese benzoate chemistry: preparation and characterization of hexanuclear clusters featuring the ${\{{\text{Mn}}_{4}^{\text{II}}{\text{Mn}}_{2}^{\text{III}}{({\mu}_{4}-\text{O})}_{2}\}}^{10+}$ core,”
*Polyhedron*, vol. 25, no. 8, pp. 1737–1746, 2006. View at Publisher · View at Google Scholar · View at Scopus - A. R. Schake, J. B. Vincent, Q. Li et al., “Preparation, structure, and magnetochemistry of hexanuclear manganese oxide complexes: chemically and thermally induced aggregation of ${\text{Mn}}_{3}\text{O}{({\text{O}}_{2}\text{CPh})}_{6}{(\text{py})}_{2}({\text{H}}_{2}\text{O})$
forming products containing the ${[{\text{Mn}}_{6}{\text{O}}_{2}]}^{10+}$ core,”
*Inorganic Chemistry*, vol. 28, no. 10, pp. 1915–1923, 1989. View at Google Scholar · View at Scopus - C.-B. Ma, M.-Q. Hu, H. Chen, C.-N. Chen, and Q.-T. Liu, “Aggregation of hexanuclear, mixed-valence manganese oxide clusters linked by propionato ligands to form a one-dimensional polymer ${[{\text{Mn}}_{6}{\text{O}}_{2}{({\text{O}}_{2}\text{CEt})}_{10}({\text{H}}_{2}{\text{O}}_{4})]}_{\text{n}}$,”
*European Journal of Inorganic Chemistry*, no. 33, pp. 5274–5280, 2008. View at Publisher · View at Google Scholar · View at Scopus - V. Ovcharenko, E. Fursova, G. Romanenko, and V. Ikorskii, “Synthesis and structure of heterospin compounds based on the $[{\text{Mn}}_{6}{\text{O}}_{2}{\text{piv}}_{10}]$-cluster unit and nitroxide,”
*Inorganic Chemistry*, vol. 43, no. 11, pp. 3332–3334, 2004. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus - K. Nakata, H. Miyasaka, K. Sugimoto, T. Ishii, K.-I. Sugiura, and M. Yamashita, “Construction of a one-dimensional chain composed of ${\text{Mn}}_{6}$
clusters and 4,${4}^{\prime}$-bipyridine linkers: the first step for creation of “nano-dots-wires”,”
*Chemistry Letters*, no. 7, pp. 658–659, 2002. View at Google Scholar · View at Scopus - J. W. Choi, J. J. Park, M. Park, D. Y. Moon, and M. S. Lah, “A 2D layered metal-organic framework constructed by using a hexanuclear manganese metallamacrocycle as a supramolecular building block,”
*European Journal of Inorganic Chemistry*, no. 35, pp. 5465–5470, 2008. View at Publisher · View at Google Scholar · View at Scopus - J. B. Vincent, H.-R. Chang, K. Folting, J. C. Huffman, G. Christou, and D. N. Hendrickson, “Preparation and physical properties of trinuclear oxo-centered manganese complexes of the general formulation ${[{\text{Mn}}_{3}\text{O}{({\text{O}}_{2}\text{CR})}_{6}{\text{L}}_{3}]}^{0,+}$ (R = Me or Ph; L = a neutral donor group) and the crystal structures of $[{\text{Mn}}_{3}\text{O}{({\text{O}}_{2}\text{CMe})}_{6}{(\text{pyr})}_{3}](\text{pyr})$ and $[{\text{Mn}}_{3}\text{O}{({\text{O}}_{2}\text{CPh})}_{6}{(\text{pyr})}_{2}({\text{H}}_{2}\text{O})]\xb70.5\text{MeCN}$,”
*Journal of the American Chemical Society*, vol. 109, no. 19, pp. 5703–5711, 1987. View at Google Scholar · View at Scopus - Oxford Diffraction,
*CrysAlis CCD and CrysAlis RED, Version 1.171.32.15*, Oxford Diffraction Ltd, Abingdon, Oxford, UK, 2008. - A. Altomare, G. Cascarano, C. Giacovazzo et al., “SIR92—a program for automatic solution of crystal structures by direct methods,”
*Journal of Applied Crystallography*, vol. 27, p. 435, 1994. View at Google Scholar - G. M. Sheldrick,
*SHELXL97-A Program for the Refinement of Crystal Structure*, University of Göttingen, Göttingen, Germany. - L. J. Farrugia, “WinGX suite for small-molecule single-crystal crystallography,”
*Journal of Applied Crystallography*, vol. 32, no. 4, pp. 837–838, 1999. View at Google Scholar · View at Scopus - K. Brandenburg,
*DIAMOND. Version 3.1d*, Crystal Impact GbR, Bonn, Germany, 2006. - C. F. Macrae, P. R. Edgington, P. McCabe et al., “Mercury: visualization and analysis of crystal structures,”
*Journal of Applied Crystallography*, vol. 39, no. 3, pp. 453–457, 2006. View at Publisher · View at Google Scholar · View at Scopus - S. Zartilas, E. E. Moushi, V. Nastopoulos, A. K. Boudalis, and A. J. Tasiopoulos, “Two new coordination polymers containing the triangular ${[{\text{Mn}}_{3}\text{O}{({\text{O}}_{2}\text{CR})}_{6}]}^{0/+}$,”
*Inorganica Chimica Acta*, vol. 361, no. 14-15, pp. 4100–4106, 2008. View at Publisher · View at Google Scholar · View at Scopus - X. Bu, N. Zheng, and P. Feng, “Tetrahedral chalcogenide clusters and open frameworks,”
*Chemistry: A European Journal*, vol. 10, no. 14, pp. 3356–3362, 2004. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus