Solution-State Spin Crossover in a Family of [Fe(L)2(CH3CN)2](BF4)2 Complexes

被引：4
|
作者：
Wilson, Benjamin H. [1 ,2 ,3 ]
Scott, Hayley S. [1 ]
Archer, Rosanna J. [1 ]
Mathoniere, Corine [4 ,5 ]
Clerac, Rodolphe [2 ,3 ]
Kruger, Paul E. [1 ]
机构：
[1] Univ Canterbury, MacDiarmid Inst, Sch Phys & Chem Sci, Private Bag 4800, Christchurch 8041, New Zealand
[2] CNRS, CRPP, UMR 5031, F-33600 Pessac, France
[3] Univ Bordeaux, CRPP, UMR 5031, F-33600 Pessac, France
[4] CNRS, ICMCB, UMR 5026, F-33600 Pessac, France
[5] Univ Bordeaux, ICMCB, UMR 5026, F-33600 Pessac, France
来源：
MAGNETOCHEMISTRY | 2019年 / 5卷 / 02期
关键词：
spin crossover; Fe(II); supramolecular chemistry; solution-state SCO; molecular magnetism; crystallography; LIGAND; MEMORY; SERIES;
D O I：
10.3390/magnetochemistry5020022
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We report herein on five new Fe(II) complexes of general formula [Fe(L)(2)(NCCH3)(2)](BF4)(2)center dot xCH(3)CN (L = substituted 2-pyridylimine-based ligands). The influence of proximally located electron withdrawing groups (e.g., NO2, CN, CF3, Cl, Br) bound to coordinated pyridylimine ligands has been studied for the effect on spin crossover in their Fe(II) complexes. Variable-temperature UV-visible spectroscopic studies performed on complexes with more strongly electronegative ligand substituents revealed spin crossover (SCO) in the solution, and thermodynamic parameters associated with the spin crossover were estimated.
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页数：13
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