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

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posted on 2023-06-09, 05:15 authored by Kieran Griffiths, Julia Mayans, Michael A Shipman, Graham J Tizzard, Simon J Coles, Barry A Blight, Albert Escuer, George KostakisGeorge Kostakis
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.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Crystal Growth & Design

ISSN

1528-7483

Publisher

American Chemical Society

Issue

4

Volume

17

Page range

1524-1538

Department affiliated with

  • Chemistry Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2017-02-22

First Open Access (FOA) Date

2018-02-22

First Compliant Deposit (FCD) Date

2017-02-21

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