Ligand steric effect on the coordination mode of nitrite ion:: Syntheses and X-ray single crystal structures of trans-[NiL2(ONO)2] and cis-[NiL′2(O2N)]NO2)•H2O [L=2-(aminomethyl)pyridine and L′=(2-aminoethyl)pyridine]

被引：8
|
作者：
Chattopadhyay, Tanmay
Podder, Nirmalya
Banu, Kazi Sabnam
Banerjee, Arpita
Ghosh, Manami
Suresh, Eringathodi [1 ]
Nethaji, Munirathinam
Das, Debasis
机构：
[1] Cent Salt & Marine Chem Res Inst, Analyt Sci Discipline, Bhavnagar 364002, Gujarat, India
[2] Univ Calcutta, Dept Chem, Kolkata 700009, W Bengal, India
[3] Indian Inst Sci, Dept Inorgan & Phys Chem, Bangalore 560012, Karnataka, India
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2007年 / 839卷 / 1-3期
关键词：
nitrito complex; nitrito; (O; O); complex; 2-(aminomethyl)pyridine; 2-(aminoethyl)pyridine;
D O I：
10.1016/j.molstruc.2006.11.013
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The steric effects of the co-ligands originated from the pi-cloud of the pyridine moiety and from increased aliphatic chain length have been utilized to synthesize two different binding modes of nitrite ion. A red-violet nitrito isomer trans-[NiL2(ONO)21 (1) and a blue-violet nitrito (O,O) isomer cis-[NiL'(2)(O2N)](NO2)-H2O(2) are obtained by adding L and L' to the methatiolic suspension of K-4[Ni(NO2)(6)]H2O [L = 2-(aminomethyl)pyridine and L' = 2-(aminoethyl)pyridine]. No other isomer of complex 1 or 2 is yielded in solution irrespective of the nature of the solvent used or in the solid state. They have been characterized by routine physicochernical studies as well as by X-ray single crystal structure analysis. (C) 2006 Elsevier B.V. All rights reserved.
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页码：69 / 75
页数：7
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