NDLI: μ-Phenoxo-μ-pseudohalide and μ-pseudohalide dinuclear, tetranuclear and one-dimensional complexes: magneto-structural correlation and interesting type of solid state isomerism

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Journal of Chemical Sciences : Volume 124, Issue 5, September 2012

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μ-Phenoxo-μ-pseudohalide and μ-pseudohalide dinuclear, tetranuclear and one-dimensional complexes: magneto-structural correlation and interesting type of solid state isomerism

Content Provider	Springer Nature Link
Author	SASMAL, SUJIT MOHANTA, SASANKASEKHAR
Copyright Year	2012
Abstract	Five Schiff base ligands have been utilized to explore metallo-pseudohalide (azide or cyanate) systems. These ligands are the 1:1 condensation products of 3-methoxysalicylaldehyde with ethanolamine (H$_{2}$L$^{1}$)/1-(2-aminoethyl)-piperidine (HL$^{2}$)/ 4-(2-aminoethyl)-morpholine (HL$^{3}$) or salicylaldehyde with 1-(2-aminoethyl)-piperidine (HL$^{4}$)/4-(2-aminoethyl)-morpholine (HL$^{5}$). The derived complexes are as follows: Four heterobridged μ-phenoxo-μ$_{1,1}$-azide/cyanate dinickel(II) compounds of composition [Ni $^{\rm II}_{2}$ (HL $^{1})_{3}(\mu_{1,1}$ -N$_{3}$)]·3H$_{2}$O (1), [Ni $^{\rm II}_{2}$ (L $^{2})_{2}(\mu _{1,1}$ -N$_{3}$)(N$_{3}$)(H$_{2}$O)]·CH$_{3}$CH$_{2}$OH (2), [Ni $^{\rm II}_{2}$ (L $^{3})_{2}$ (μ$_{1,1}$-N$_{3}$)(CH$_{3}$CN)(H$_{2}$O)](ClO$_{4}$)·H$_{2}$O·CH$_{3}$CN (3) and [Ni $^{\rm II}_{2}$ (HL $^{1})_{3}(\mu _{1,1}$ -NCO)]·2H$_{2}$O (4); Two μ$_{1,3}$-azide bridged tetranickel(II) compounds [{Ni$^{II}$(L $^{4})(\mu _{1,3}$ -N$_{3}$)(H$_{2}$O)}$_{4}$] (5) and [{Ni$^{II}$(L $^{5})(\mu _{1,3}$ -N$_{3}$)(H$_{2}$O)}$_{4}$] (6); Two μ$_{1,3}$-azide/cyanate one-dimensional compounds [Cu$^{II}$L $^{5}(\mu _{1,3}$ -NCO)]$_{ n }$·2nH$_{2}$O (7) and [Cu$^{II}$L $^{5}(\mu _{1,3}$ -N$_{3}$)]$_{ n }$· 2nH$_{2}$O (8). Except compound 5 which shows overall antiferromagnetic coupling, other compounds exhibit overall ferromagnetic interaction. Syntheses, crystal structures, magnetic properties, density functional theoretical (DFT) calculations and experimental/theoretical magneto-structural correlations have been carried out which have revealed some interesting observations on composition/topology, magneto-structural correlations and solid state isomerism. The results have been already published. The present report deals with a review of the salient and interesting features of these works. Graphical Abstract This article reviews some recent studies on metallo-pseudohalide compounds, only pseudohalide bridged or heterobridged µ-phenoxo-µ1,1-azide/cyanate complexes, and focuses on the following features: (i) unprecedented type of structures; (ii) unique bridge distance dependency of exchange integral; (iii) experimental and density functional theoretical magneto-structural correlations; (iv) interesting magnetic, crystallographic and supramolecular isomerisms.
Starting Page	1353
Ending Page	1364
Page Count	12
File Format	PDF
ISSN	09743626
Journal	Journal of Chemical Sciences
Volume Number	124
Issue Number	6
e-ISSN	09737103
Language	English
Publisher	Springer-Verlag
Publisher Date	2013-01-09
Publisher Institution	Indian Academy of Sciences
Publisher Place	India
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Metallo-pseudohalides magneto-structural correlations DFT heterobridged Chemistry/Food Science
Content Type	Text
Resource Type	Article
Subject	Chemistry

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