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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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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