Molecular growth from a Mo176 to a Mo248 cluster

A. Müller (), Syed Q. N. Shah, H. Bögge and M. Schmidtmann
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A. Müller: Lehrstuhl für Anorganische Chemie I. Fakultät für Chemie, Universität Bielefeld
Syed Q. N. Shah: Lehrstuhl für Anorganische Chemie I. Fakultät für Chemie, Universität Bielefeld
H. Bögge: Lehrstuhl für Anorganische Chemie I. Fakultät für Chemie, Universität Bielefeld
M. Schmidtmann: Lehrstuhl für Anorganische Chemie I. Fakultät für Chemie, Universität Bielefeld

Nature, 1999, vol. 397, issue 6714, 48-50

Abstract: Abstract In polyoxometalate chemistry a large variety of compounds, clusters and solid-state structures can be formed by the linking together of well-defined metal–oxygen building blocks1, 2. These species exhibit unusual topological and electronic properties, andfind applications ranging from medicine3 to industrial processes4. The recently reported ring-shaped mixed-valence polyoxomolybdates of the type {Mo154} (refs 5, 6) and {Mo176} (refs 7, 8) represent a new class of giant clusters with nanometre-sized cavities and interesting properties for host–guest chemistry. Here we describe the formation of related clusters of the type {Mo248} formed by addition of further units to the inner surface of the {Mo176} ‘wheel’. The additional units arrange themselves into two {Mo36} ‘hub-caps’ on the initial wheel—clusters that are not stable in isolation. These findings reveal a new pathway to the development of complex coordination clusters.

Date: 1999
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DOI: 10.1038/16215

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