Issue 21, 2018

Diazine based ligand supported Co II3 and Co II4 coordination complexes: role of anions

Abstract

We report the synthesis and characterisation of a family of three CoII4 and two CoII3 complexes from a symmetrical diazine ligand, H2hyda = N,N-bis(3-methoxy salicylidene)hydrazine. The metallic skeletons of all complexes reveal a nearly linear arrangement of CoII centers. The present results highlight the profound influence of anions on the structural outcome of a complex. Furthermore, distortion imposed by the twisted nature of the diazine-based ligand depends on the use of associated anions which results in triple helical CoII4 and double helical CoII3 entities. The CoII ions in complexes 1–3 are antiferromagnetically coupled leading to an S = 0 ground state. In contrast, complexes 4 and 5 exhibit a magnetic ground state, but exhibit different behaviours at low temperatures due to differences in crystal packing and hence intermolecular interactions.

Graphical abstract: Diazine based ligand supported CoII3 and CoII4 coordination complexes: role of anions

Supplementary files

Article information

Article type
Paper
Submitted
13 Jun 2018
Accepted
18 Sep 2018
First published
18 Sep 2018

New J. Chem., 2018,42, 17587-17596

Diazine based ligand supported CoII3 and CoII4 coordination complexes: role of anions

Y. Sikdar, R. Goswami, R. Modak, M. Basak, M. J. Heras Ojea, M. Murrie and S. Goswami, New J. Chem., 2018, 42, 17587 DOI: 10.1039/C8NJ02955E

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements