Hybrid molecular materials based upon organic π-electron donors and inorganic metal complexes.: Conducting salts of bis(ethylenediseleno)tetrathiafulvalene (BEST) with the octahedral anions hexacyanoferrate(III) and nitroprusside

被引：22

作者：

Clemente-León, M

Coronado, E

Galán-Mascarós, JR

Giménez-Saiz, C

Gómez-García, CJ

Fabre, JM

Mousdis, GA

Papavassiliou, GC

机构：

[1] Univ Valencia, Inst Ciencia Mol, Burjassot 46100, Spain

[2] ENSCM, F-34296 Montpellier, France

[3] Natl Hellen Res Fdn, Inst Theoret & Phys Chem, GR-11635 Athens, Greece

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2002年 / 168卷 / 02期

关键词：

BEST; BEDS-TTF; TTF; hexacyanometalate; nitroprusside; radical salt; magnetic properties; molecular conductors;

D O I：

10.1006/jssc.2002.9759

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis, structure and physical characterization of three new radical salts formed by the organic donor bis(ethylenediseleno)tetrathiafulvalene (BEDS-TTF or BEST) and the paramagnetic hexacyanoferrate(ill) anion [Fe(CN)(6)](3-) or the photochromic nitroprusside anion [Fe(CN)(5)NO](2-) are reported: (BEST)(4)[Fe(CN)(6)] (1), (BEST)(3)[Fe(CN)(6)](2) (.) H2O (2) and (BEST)(2)[Fe(CN)(5)NO] (3). Salts 1 and 3 show a layered structure with alternating organic (beta-type packing) and inorganic slabs. Salt 2 shows an original interpenetrated structure probably due to the unprecedented presence of (BEST)(2+) dications. The three salts are semiconductors although salt 1 exhibits a high room temperature conductivity and a semiconducting-semiconducting transition at ca. 150K which has been attributed to a dimerization in the organic sublattice. (C) 2002 Etsevier Science (USA).

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收藏

页码：616 / 625

页数：10

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