Two Mononuclear Iron(II) Spin-Crossover Complexes with a N4O2   Coordination Sphere

doi:10.1002/ejic.201201184

CORC > 北京大学 > 化学与分子工程学院

	Two Mononuclear Iron(II) Spin-Crossover Complexes with a N4O2 Coordination Sphere
	Zhang, Li ; Xu, Guan-Cheng ; Wang, Zhe-Ming ; Gao, Song
刊名	欧洲无机化学杂志
	2013
关键词	Spin crossover Iron N,O ligands Ligand effects Magnetic properties MAGNETIC-PROPERTIES WIDE HYSTERESIS TRANSITION CHELATORS DINUCLEAR LIGHT TEMPERATURE COPPER(II) CHEMISTRY PRESSURE
DOI	10.1002/ejic.201201184
英文摘要	Two mononuclear spin-crossover compounds Fe(L-1)(2) (1) and Fe(L-2)(2) (2) {HL1 = 2-hydroxy-3-methyl-N'-[1-(pyridine-2-yl)-butylidene]benzohydrazide, HL2 = 2-hydroxy-N'-[1-(pyridine-2-yl)butylidene]benzohydrazide} were successfully synthesized. The magnetic measurements of the compounds revealed different thermal magnetic behavior. Compound 1 undergoes a gradual complete thermal spin crossover (SCO) with T-1/2 up arrow/down arrow = 243/240 K and a hysteresis loop of 3 K. Compound 2 shows a gradual incomplete SCO during the measurable temperature region with T-1/2 approximate to 330 K. Through the comparison of the magnetic and structural results for 1 and 2 with previously reported related compounds, the alkyl substitutions of the ligand were considered to affect the ligand-field strength and hydrogen-bonding interactions. In addition, photomagnetism results showed an 87 % photoconversion and 36 K of T(LIESST) (LIESST = light-induced excited spin-state trapping) for compound 1. The results enrich the knowledge on how to control the spin-crossover behavior in the new system.; Chemistry, Inorganic & Nuclear; SCI(E); 1; ARTICLE; 5-6,SI; 1043-1048
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/150804]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Zhang, Li,Xu, Guan-Cheng,Wang, Zhe-Ming,et al. Two Mononuclear Iron(II) Spin-Crossover Complexes with a N4O2 Coordination Sphere[J]. 欧洲无机化学杂志,2013.
APA	Zhang, Li,Xu, Guan-Cheng,Wang, Zhe-Ming,&Gao, Song.(2013).Two Mononuclear Iron(II) Spin-Crossover Complexes with a N4O2 Coordination Sphere.欧洲无机化学杂志.
MLA	Zhang, Li,et al."Two Mononuclear Iron(II) Spin-Crossover Complexes with a N4O2 Coordination Sphere".欧洲无机化学杂志 (2013).