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Molecules 2009, 14(9), 3610-3620; doi:10.3390/molecules14093610
Article

Microwave-Assisted Synthesis and Crystal Structure of Oxo(diperoxo)(4,4'-di-tert-butyl-2,2'-bipyridine)-molybdenum(VI)

1, 1, 1, 1, 1, 2 and 2,*
1 Department of Chemistry, CICECO, University of Aveiro, 3810–193 Aveiro, Portugal 2 Laboratory of Separation and Reaction Engineering, Associate Laboratory LSRE/LCM, Faculdade de Engenharia da Universidade do Porto, Rua Dr. Roberto Frias, 4200–465, Porto, Portugal
* Author to whom correspondence should be addressed.
Received: 21 July 2009 / Revised: 3 September 2009 / Accepted: 14 September 2009 / Published: 16 September 2009
(This article belongs to the Special Issue Microwave Assisted Synthesis)
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Abstract

The oxodiperoxo complex MoO(O2)2(tbbpy) (tbbpy = 4,4'-di-tert-butyl-2,2'- bipyridine) was isolated from the reaction of MoO2Cl2(tbbpy) in water under microwaveassisted heating at 120 ºC for 4 h. The structure of the oxodiperoxo complex was determined by single crystal X-ray diffraction. The MoVI centre is seven-coordinated with a geometry which strongly resembles a highly distorted bipyramid. Individual MoO(O2)2(tbbpy) complexes are interdigitated along the [010] direction to form a column. The crystal structure is formed by the close packing of the columnar-stacked complexes. Interactions between neighbouring columns are essentially of van der Waals type mediated by the need to effectively fill the available space.
Keywords: molybdenum; peroxo complexes; N ligands; microwave-assisted synthesis; X-ray diffraction molybdenum; peroxo complexes; N ligands; microwave-assisted synthesis; X-ray diffraction
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Amarante, T.R.; Almeida Paz, F.A.; Gago, S.; Gonçalves, I.S.; Pillinger, M.; Rodrigues, A.E.; Abrantes, M. Microwave-Assisted Synthesis and Crystal Structure of Oxo(diperoxo)(4,4'-di-tert-butyl-2,2'-bipyridine)-molybdenum(VI). Molecules 2009, 14, 3610-3620.

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