A Mixed-Ligand Approach for Spin-Crossover Modulation in a Linear FeII Coordination Polymer

被引：17

作者：

Calvo Galve, Nestor ^{[1
]}

Coronado, Eugenio ^{[1
]}

Gimenez-Marques, Monica ^{[1
]}

Minguez Espallargas, Guillermo ^{[1
]}

机构：

[1] Univ Valencia, Inst Ciencia Mol ICMol, Paterna 46980, Spain

来源：

INORGANIC CHEMISTRY | 2014年 / 53卷 / 09期

关键词：

METAL-ORGANIC FRAMEWORKS; MAGNETIC-PROPERTIES; MOLECULAR MATERIALS; THERMAL HYSTERESIS; IRON(II) COMPLEXES; ROOM-TEMPERATURE; TRANSITION; LIGHT; DILUTION; STATE;

D O I：

10.1021/ic500141v

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

In this work, we present a family of Fe-II coordination polymers of general formula [Fe(btzx)(3-3x)(btix)(3x)(ClO4)(2) with interesting spin-crossover properties. These coordination polymers have been synthesized using chemical mixtures of two different but closely related ligands, 1,4-bis(tetrazol-1-ylmethyl)benzene (btzx) and 1,4-bis(triazol-1-ylmethyl)benzene (btix), and the effect of a gradual substitution of the ligand in the spin transition temperature has been investigated. Several chemical mixtures have been structurally characterized by X-ray powder diffraction indicating a clear critical amount in the composition of the mixture after which mixed phases rather than a single phase comprising mixed components are observed. Importantly, this approach causes the appearance of a new transition at lower temperatures that is not present in the pure [Fe(L)(3)](ClO4)(2) systems.

引用

页码：4482 / 4490

页数：9

共 96 条

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