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Magnetic coupling in a hybrid Mn(ii) acetylene dicarboxylate

Hendon, Christopher H., Pradaux-Caggiano, Fabienne, Hatcher, Lauren E., Gee, William J., Wilson, Chick C., Butler, Keith T., Carbery, David R., Walsh, Aron and Melot, Brent C. 2016. Magnetic coupling in a hybrid Mn(ii) acetylene dicarboxylate. Physical Chemistry Chemical Physics 18 (48) 10.1039/C6CP06886C

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Abstract

The design of ligands that mediate through-bond long range super-exchange in metal–organic hybrid materials would expand chemical space beyond the commonly observed short range, low temperature magnetic ordering. Here we examine acetylene dicarboxylate as a potential ligand that could install long range magnetic ordering due to its spatially continuous frontier orbitals. Using a known Mn(II)-containing coordination polymer we compute and measure the electronic structure and magnetic ordering. In this case, the latter is weak owing to the sub-optimal ligand coordination geometry, with a critical temperature of 2.5 K.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1463-9076
Date of First Compliant Deposit: 19 March 2020
Date of Acceptance: 18 November 2016
Last Modified: 25 Mar 2020 04:46
URI: https://orca.cardiff.ac.uk/id/eprint/130502

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