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Four new families of polynuclear Zn-Ln coordination clusters. Synthetic, topological, magnetic and luminescent aspects

Blight, Barry A., Griffiths, Kieran, Mayans, Julia, Shipman, Michael A., Tizzard, Graham J., Coles, Simon J., Escuer, Albert, Kostakis, George E. (2017) Four new families of polynuclear Zn-Ln coordination clusters. Synthetic, topological, magnetic and luminescent aspects. Crystal Growth and Design, 17 (4). pp. 1524-1538. ISSN 1528-7483. E-ISSN 1528-7505. (doi:10.1021/acs.cgd.6b01401)

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Abstract

The employment of three structurally related Schiff bases H2L1, H2L2 , and H3L3 with zinc and lanthanide salts under various reaction conditions, gave four families of compounds formulated as [ZnII2LnIII2(L1)4(EtOH)6][ClO4]2 (1-3), [ZnII5Ln(OH)(L1)6(H2O)] (4-6), [(ZnII4LnIII2(OH)2(L2)4(OAc)2(NO3)2(DMF)3]) (7-9), [ZnII2LnIII2(L3)2(NO3)2(CO3)2(CH3OH)2] (10-12) with robust and novel topologies. Synthetic aspects are discussed. A comprehensive topological analysis of all reported ZnII/LnIII CCs with a core nuclearity of four and above is presented and identifies that families (4-6) and (7-9) are the first examples of the 2,3,4M6-1 motif in ZnII/LnIII chemistry. Magnetic studies are presented for the DyIII analogues (1, 7 and 10) are presented, 7 demonstrates field-induced slow relaxation of the magnetization. Fluorescence studies are also discussed.

Item Type: Article
DOI/Identification number: 10.1021/acs.cgd.6b01401
Uncontrolled keywords: Coordination Clusters, Zinc, Lanthanide, Topology, Magnetism
Subjects: Q Science
Q Science > QD Chemistry
Divisions: Faculties > Sciences > School of Physical Sciences
Depositing User: Michael Woods
Date Deposited: 28 Feb 2017 09:23 UTC
Last Modified: 29 May 2019 18:43 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/60545 (The current URI for this page, for reference purposes)
Blight, Barry A.: https://orcid.org/0000-0003-1166-6206
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