New Mononuclear Cu(II) Complexes and 1D Chains with 4-Amino-4H-1,2,4-triazole

被引：16
|
作者：
Dirtu, Marinela M. [1 ]
Boland, Yves [1 ]
Gillard, Damien [1 ]
Tinant, Bernard [1 ]
Robeyns, Koen [1 ]
Safin, Damir A. [1 ]
Devlin, Eamonn [2 ]
Sanakis, Yiannis [2 ]
Garcia, Yann [1 ]
机构：
[1] Catholic Univ Louvain, Inst Condensed Matter & Nanosci, Mol Solids & React IMCN MOST, B-1348 Louvain, Belgium
[2] NCSR Demokritos, Inst Adv Mat Physicochem Proc Nanotechnol & Micro, Athens 15310, Greece
来源：
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2013年 / 14卷 / 12期
关键词：
coordination polymers; copper; 1; 2; 4-triazole; magnetic properties; crystal engineering; ASSEMBLY SYSTEM SYNTHESIS; CRYSTAL-STRUCTURES; MAGNETIC-PROPERTIES; COPPER(II) COMPLEXES; SPIN TRANSITION; STRUCTURAL TRANSFORMATION; SWITCHABLE COORDINATION; LINEAR-CHAIN; 1,2,4-TRIAZOLE; COMPOUND;
D O I：
10.3390/ijms141223597
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The crystal structures of two mononuclear Cu(II) NH(2)trz complexes [Cu(NH(2)trz)(4)(H2O)](AsF6)(2) (I) and [Cu(NH(2)trz)(4)(H2O)](PF6)(2) (II) as well as two coordination polymers [Cu((2)-NH(2)trz)(2)Cl]ClH2O (III) and [Cu((2)-NH(2)trz)(2)Cl] (SiF6)(0.5<bold>)1</bold>.5H(2)O (IV) are presented. Cationic 1D chains with bridging bis-monodentate (2)-coordinated NH(2)trz and bridging (2)-coordinated chloride ligands are present in III and IV. In these coordination polymers, the Cu(II) ions are strongly antiferromagnetically coupled with J = -128.4 cm(-1) for III and J = -143 cm(-1) for IV (H = -J Sigma SiSi+1), due to the nature of the bridges between spin centers. Inter-chain interactions present in the crystal structures were taken into consideration, as well as g factors, which were determined experimentally, for the quantitative modeling of their magnetic properties.
引用
收藏
页码：23597 / 23613
页数：17
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