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Issue 7, 2020
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A capped trigonal prismatic cobalt(ii) complex as a structural archetype for single-ion magnets

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Abstract

Two mononuclear, seven-coordinate Co(II) and Fe(II) complexes [CoII(BPA-TPA)](BF4)2 (1-Co) and [FeII(BPA-TPA)](ClO4)2 (2-Fe) with a capped trigonal prismatic coordination geometry have been synthesized from the pentapyridyldiamine (BPA-TPA) ligand. 1-Co exhibits easy plane anisotropy in which slow magnetic relaxation is observed under a 1.0 kOe dc field. It is the first example of a single-ion magnet (SIM) of a 3d transition metal ion with a capped trigonal prismatic configuration. 2-Fe is not a SIM at 1.8 K.

Graphical abstract: A capped trigonal prismatic cobalt(ii) complex as a structural archetype for single-ion magnets

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Article information


Submitted
25 Dec 2019
Accepted
22 Jan 2020
First published
29 Jan 2020

Dalton Trans., 2020,49, 2063-2067
Article type
Communication

A capped trigonal prismatic cobalt(II) complex as a structural archetype for single-ion magnets

G. Yi, H. Cui, C. Zhang, W. Zhao, L. Chen, Y. Zhang, X. Chen, Y. Song and A. Yuan, Dalton Trans., 2020, 49, 2063
DOI: 10.1039/C9DT04881B

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