Functionalised β-diketone assisted self-assembly of a hexanuclear yttrium oxo-hydroxo cluster

被引：20
|
作者：
Jami, Ananda Kumar [1 ]
Kishore, Pilli V. V. N. [1 ]
Baskar, Viswanathan [1 ]
机构：
[1] Univ Hyderabad, Sch Chem, Hyderabad 500046, Andhra Pradesh, India
来源：
POLYHEDRON | 2009年 / 28卷 / 11期
关键词：
Yttrium clusters; Self-assembly; Functionalised beta-diketones; Oxo-hydroxo bridges; Synthesis and structural elucidation; STRUCTURAL-CHARACTERIZATION; LANTHANIDE CLUSTERS; COMPLEXES; TETRANUCLEAR; IRON(III); MOLECULES; SERIES; LIGAND;
D O I：
10.1016/j.poly.2009.04.035
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reaction of YCl3 center dot 6H(2)O with ortho-hydroxydibenzoylmethane (HO-DBMH) in a 1:2 ratio, in methanol and in the presence of excess triethylamine as a base yielded a yellow precipitate which on crystallization from toluene or benzene/hexane afforded pale yellow block-like crystals. Single crystal X-ray diffraction of I revealed the formation of an interesting hexanuclear yttrium oxo-hydroxo cluster [Y-2(O-DBM)(6)(HO-DBM)(4)(mu(3)-OH)(2)(MeOH)(4)]; the core resembles a butterfly framework flanked by a lanthanide atom on each side. Ten phenolic beta-diketone ligands are present in the Cluster, which bridge the metal centers in both chelating and chelating-bridging fashions. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2284 / 2286
页数：3
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