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Title: Four new families of polynuclear Zn-Ln coordination clusters. Synthetic, topological, magnetic, and luminescent aspects
Author: Griffiths, Kieran
Mayans Ayats, Júlia
Shipman, Michael A.
Tizzard, Graham J.
Coles, Simon J.
Blight, Barry A.
Escuer Fité, Albert
Kostakis, George E.
Keywords: Zinc
Metalls de terres rares
Rare earth metals
Issue Date: 1-Apr-2017
Publisher: American Chemical Society
Abstract: The employment of three structurally related Schiff bases H(2)L1, H(2)L2, and H(3)L3 with zinc and lanthanide salts under various reaction conditions, gave four families of compounds formulated as [Zn(2)(II)Ln(2)(III)(L1)(4)(EtOH)(6)][ClO4](2) (1-3), [Zn(5)(II)Ln(OH)(L1)(6)(H2O)] (4-6), [Zn(4)(II)Ln(2)(III)(OH)(2)(L2)(4) (OAc)(2)(NO3)(2)(DMF)3]center dot DMF (7-9), and [Zn(2)(II)Ln(2)(III)(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 Zn-II/Ln(III) 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 Zn-II/Ln(III) chemistry. Magnetic studies are presented for the Dy-II analogues (1, 7, and 10) are presented, 7 demonstrates field -induced slow relaxation of the magnetization. Fluorescence studies are also discussed.
Note: Versió postprint del document publicat a:
It is part of: Crystal Growth & Design, 2017, vol. 17, num. 4, p. 1524-1538
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ISSN: 1528-7483
Appears in Collections:Articles publicats en revistes (Química Inorgànica i Orgànica)

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