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Synthesis and magnetic properties of a 1-D helical chain derived from a Nickel-Sodium Schiff base complex

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Title Synthesis and magnetic properties of a 1-D helical chain derived from a Nickel-Sodium Schiff base complex
 
Creator UPADHYAY, A
DAS, C
MEERA, SN
LANGLEY, SK
MURRAY, KS
SHANMUGAM, M
 
Subject Nickel
Schiff base
magnetism
Helical chain
CHIRAL COORDINATION POLYMERS
NONLINEAR-OPTICAL PROPERTIES
CRYSTAL-STRUCTURES
METAL-COMPLEXES
ANTIFERROMAGNETIC INTERACTIONS
FRAMEWORK MATERIALS
RATIONAL DESIGN
SPIN-CROSSOVER
TRIPLE HELICES
LIGAND
 
Description The reaction of the deprotonated form of the Schiff base ligand; (E)-2-methoxy-6-((phenylimino) methyl)phenol (L) with nickel chloride hydrate results in the formation of the 1-dimentional coordination polymer; Na[Ni(L)(2)(OMe)(MeOH)](n) (1). The structure was determined via single crystal X-ray diffraction measurements. A careful analysis of the complex shows that the polymer exists as a helical structure, where the helicity is brought about by the presence of an alkali metal ion which is observed for the first time. Moreover the helical structure in 1 is maintained predominantly through covalent bond rather than supramolecular interactions. Direct current magnetic susceptibility measurement suggests that complex 1 obeys the Curie law. The fitting of magnetic data using the PHI software package yields parameters of S = 1, g = 2.26 and D = +4.51 (or D = -7.24 cm(-1)) for 1.
 
Publisher INDIAN ACAD SCIENCES
 
Date 2014-12-28T08:59:29Z
2014-12-28T08:59:29Z
2014
 
Type Article
 
Identifier JOURNAL OF CHEMICAL SCIENCES, 126(5)1443-1449
0974-3626
0973-7103
http://dx.doi.org/10.1007/s12039-014-0712-y
http://dspace.library.iitb.ac.in/jspui/handle/100/16242
 
Language English