Issue 36, 2016

Solid state π–π stacking and higher order dimensional crystal packing, reactivity, and electrochemical behaviour of salphenazine actinide and transition metal complexes

Abstract

Condensation of a 2,3-diaminophenazine or 2,3-diamino-2-quinoxalinol with two equivalents of 3,5-ditertbutylsalicylaldehyde affords new Schiff base ligands. Here, we describe and compare the synthesis, UV-Vis, electrochemical, solution, and solid state behaviour of the free base, salphenazine ligand [LI], and M[LI] complexes, where M = UO2(VI), Cu(II), VO(IV), Zn(II), Co(II), and Ni(II). The change in π-overlap and π-stacking between molecules and long-range ordering of the solid-state structure is vastly different depending on the size and electronic character of the metal. A sterically constrained μ-oxo Fe(III) dimer complex is also reported.

Graphical abstract: Solid state π–π stacking and higher order dimensional crystal packing, reactivity, and electrochemical behaviour of salphenazine actinide and transition metal complexes

Supplementary files

Article information

Article type
Paper
Submitted
15 Jun 2016
Accepted
11 Aug 2016
First published
11 Aug 2016

Dalton Trans., 2016,45, 14243-14251

Solid state π–π stacking and higher order dimensional crystal packing, reactivity, and electrochemical behaviour of salphenazine actinide and transition metal complexes

E. E. Hardy, M. A. Eddy, B. A. Maynard and A. E. V. Gorden, Dalton Trans., 2016, 45, 14243 DOI: 10.1039/C6DT02389D

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