Four New Families of Polynuclear Zn-Ln Coordination Clusters. Synthetic, Topological, Magnetic, and Luminescent Aspects

Griffiths, Kieran and Mayans, Julia and Shipman, Michael A. and Tizzard, Graham J. and Coles, Simon J. and Blight, Barry A. and Escuer, Albert and 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

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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]·DMF (7-9), and [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:
Journal Article
Journal or Publication Title:
Crystal Growth and Design
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
?? CHEMISTRY(ALL)MATERIALS SCIENCE(ALL)CONDENSED MATTER PHYSICS ??
ID Code:
137063
Deposited By:
Deposited On:
01 Oct 2019 10:55
Refereed?:
Yes
Published?:
Published
Last Modified:
19 Sep 2023 02:16