Syntheses and structures of two copper-molybdate complexes:: The 3-D [Cu(4,4′-bpy)(MoO4)] and 1-D [Cu2(HDABCO)2(H2Mo8O27)] • 4H2O

被引：15
作者：
Fang, RQ [1 ]
Zhao, YF [1 ]
Zhang, XM [1 ]
机构：
[1] Shanxi Normal Univ, Sch Chem & Mat Sci, Linfen 041004, Shanxi, Peoples R China
来源：
INORGANICA CHIMICA ACTA | 2006年 / 359卷 / 07期
基金：
中国国家自然科学基金;
关键词：
copper; molybdenum; complex; hydrothermal;
D O I：
10.1016/j.ica.2006.01.003
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Hydrothermal reaction of molybdenum oxide and copper(l 1) source in the presence of 4,4'-bipyridine (4,4'-bpy) afforded three-dimensional covalent framework [Cu-II(4,4'-bpy)(MoO4)] (1), while reaction with 1,4-diazoniabicyclo[2,2,2]octane (DABCO) in place of 4,4'-bpy and addition of metal molybdenum resulted in one-dimensional chain-like compound [Cu-2(1) (HDABCO)(2)(Mo-8(OH)(2)O-25)] (.) 4H(2)O (2). The copper in I is divalent and approximately shows trigonal bipyramidal geometry, while in 2 is monovalent and approximately shows T-shaped geometry. The structure of I has a three-dimensional pillar-layered framework constructed from bimetallic (CuMoO4} layers bridged by bifunctional ligand 4,4'-bpy. Interestingly, the {CuMoO4} layer in I consists of 16-membered (Cu4Mo4O8) rings and 8-membered {Cu2Mo2O4] rings, different from other reported (CuMoO4) layers. The structure of 2 consists a one-dimensional {H2Mo8O27}(n) (4n) chain that is attached by peripheral {(Cu(HDABCO)}(2+) units. The {H2Mo8O27}(n)(4n-)chain is constructed from octamolybdates through common corners. (c) 2006 Elsevier B.V. All rights reserved.
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页码：2023 / 2028
页数：6
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