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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Tetranuclear manganese(ii) complexes of sulfonylcalix[4]arene macrocycles: Synthesis, structure, spectroscopic and magnetic properties
Dalton Transactions, Volume 41, No. 9, Year 2012
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Description
Two tetranuclear manganese(ii) complexes {K +[Mn 4(ThiaSO 2) 2(OH)] -} (1) and {K +[Mn 4(ThiaSO 2) 2(F)] -} (2) have been synthesized under solvothermal conditions in methanol with p-tert-butylsulfonylcalix[4]arene (ThiaSO 2). For both complexes, the structure has been established from single-crystal X-ray diffraction. The two complexes are best described as manganese squares sandwiched between two thiacalixarene macrocycles. In both complexes, in the center of the square formed by the four manganese(ii) atoms, the unexpected presence of μ 4-OH - or μ 4-F - gives a negative charge to the cluster. The two tetranuclear complexes exhibit strong orange luminescence behavior resulting from the symbiosis between the ThiaSO 2 and the Mn 2+. Despite similar chemical formulation, (1) and (2) present difference in emission intensity and lifetime τ. © The Royal Society of Chemistry 2012.
Authors & Co-Authors
Lamouchi, Meriem
France, Villeurbanne
Laboratoire Des Multimatériaux et Interfaces
Tunisia, Tunis
University of Carthage
Jeanneau, Erwann
France, Villeurbanne
Laboratoire Des Multimatériaux et Interfaces
Pillonnet, A.
France, Villeurbanne
Université Claude Bernard Lyon 1
Brioude, Arnaud
France, Villeurbanne
Laboratoire Des Multimatériaux et Interfaces
Martini, Matteo
France, Villeurbanne
Université Claude Bernard Lyon 1
Stephan, O.
France, Saint Martin D'heres
Université Grenoble Alpes
Meganem, Faouzi
Tunisia, Tunis
University of Carthage
Novitchi, G. V.
France, Villeurbanne
Laboratoire Des Multimatériaux et Interfaces
Luneau, Dominique
France, Villeurbanne
Laboratoire Des Multimatériaux et Interfaces
Desroches, Cédric
France, Villeurbanne
Laboratoire Des Multimatériaux et Interfaces
Statistics
Citations: 26
Authors: 10
Affiliations: 4
Identifiers
Doi:
10.1039/c2dt11786j
ISSN:
14779226
e-ISSN:
14779234
Research Areas
Environmental