Ddpd as Expanded Terpyridine: Dramatic Effects of Symmetry and Electronic Properties in First Row Transition Metal Complexes
by
Christoph Förster 1, Matthias Dorn 1, Thomas Reuter 1, Sven Otto 1,2, Güllü Davarci 3, Tobias Reich 3
, Luca Carrella 1, Eva Rentschler 1 and Katja Heinze 1,*
Christoph Förster 1, Matthias Dorn 1, Thomas Reuter 1, Sven Otto 1,2, Güllü Davarci 3, Tobias Reich 3, Luca Carrella 1, Eva Rentschler 1 and Katja Heinze 1,*
1
Institute of Inorganic Chemistry and Analytical Chemistry, Johannes Gutenberg University of Mainz, Duesbergweg 10-14, 55128 Mainz, Germany
2
Graduate School Materials Science in Mainz, Staudingerweg 9, 55128 Mainz, Germany
3
Institute of Nuclear Chemistry, Fritz-Strassmann-Weg 2, 55128 Mainz, Germany
*
Author to whom correspondence should be addressed.
Inorganics 2018, 6(3), 86; https://doi.org/10.3390/inorganics6030086
Received: 26 July 2018 / Revised: 18 August 2018 / Accepted: 22 August 2018 / Published: 27 August 2018
(This article belongs to the Special Issue First-Row Transition Metal Complexes)
The 2,2′:6′:2″-terpyridine ligand has literally shaped the coordination chemistry of transition metal complexes in a plethora of fields. Expansion of the ligand bite by amine functionalities between the pyridine units in the tridentate N,N’-dimethyl-N,N’-dipyridine-2-yl-pyridine-2,6-diamine ligand (ddpd) modifies the properties of corresponding transition metal complexes, comprising redox chemistry, molecular dynamics, magnetism and luminescence. The origins of these differences between ddpd and tpy complexes will be elucidated and comprehensively summarized with respect to first row transition metal complexes with d2–d10 electron configurations. Emerging applications of these ddpd complexes complementary to those of the well-known terpyridine ligand will be highlighted.
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Keywords:
tridentate ligands; expanded terpyridine; pincer ligands; ligand bite angle; ligand field splitting; 3d metal ions
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MDPI and ACS Style
Förster, C.; Dorn, M.; Reuter, T.; Otto, S.; Davarci, G.; Reich, T.; Carrella, L.; Rentschler, E.; Heinze, K. Ddpd as Expanded Terpyridine: Dramatic Effects of Symmetry and Electronic Properties in First Row Transition Metal Complexes. Inorganics 2018, 6, 86.
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