[Bis(trispivalatodimolybdenum (II))-μ-bis(4′-carboxylato-2,2′:6′,2″-terpyridine) Ruthenium (II)] (2+) Tetrafluoroborate. Preparation,Electronic Structure and Physical Properties |
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| Authors: | Malcolm H Chisholm Christopher M Hadad Katja Heinze Klaus Hempel Namrata Singh Shubham Vyas |
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| Institution: | 1.Department of Chemistry,The Ohio State University,Columbus,USA;2.Anorganisch-Chemisches Institut der Universit?t Heidelberg,Heidelberg,Germany |
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| Abstract: | The homoleptic compound Ru(II)(L)2 where L = 4′-carboxylato-2,2′:6′,2″-terpyridine was employed as a bridge to link two Mo2(O2CBu
t
)3]+ units in the formation of the title complex: Mo2(O2CBu
t
)3]2-μ-Ru(II)L2] (2+) BF4−]2, which has been characterized by 1H-NMR, UV–vis and emission spectroscopy, MALDI-TOF-MS and cyclic voltammetry. The electronic structure of the complex has
been investigated by density functional theory employing Turbomole on the model complex cation Mo2(O2CH)3]2-μ-(Ru(II)L2)2+. The intense blue color of the cation arises from M2 δ to bridge/terpyridine charge transfer.
This paper is dedicated to Prof. F. A. Cotton in memoriam. |
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| Keywords: | Molybdenum Ruthenium Terpyridine MM bond MLCT Electronic structure |
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