Reactions of 2,2′-bipyridine (bpy) and 1,10-phenanthroline (phen) with yttrium(III) nitrate:: preparation, X-ray crystal structures and spectroscopic characterization of the bis-bpy and bis-phen complexes

被引:66
作者
Boudalis, AK
Nastopoulos, V
Perlepes, SP [1 ]
Raptopoulou, CP
Terzis, A
机构
[1] Univ Patras, Dept Chem, Patras 26500, Greece
[2] NCSR Demokritos, Inst Sci Mat, Aghia Paraskevi Attikis 15310, Greece
关键词
D O I
10.1023/A:1007185119324
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Y(NO3)(3) . 5H(2)O reacts with 2,2'-bipyridine (bpy) and 1,10-phenanthroline (phen) to yield similar complexes of 1:2 yttrium:ligand stoichiometry. The crystal structures of the two complexes, namely, [Y(NO3)(3)(bpy)(2)] (1) and [Y(NO3)(3)(phen)(2)] (2), are reported. The three nitrate groups are O,O'-bidentate and the organic ligands are also bidentate. In both structures the metal ion lies on a crystallographic two-fold axis. The stereochemistry about Y-III can be viewed as a sphenocorona. The new complexes were characterized by elemental analyses and spectroscopic (i.r., H-1-n.m.r. and C-13-n.m.r.) techniques. The data are discussed in terms of the nature of bonding and known solid state structures.
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页码:276 / 281
页数:6
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