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.

引用

页码：69 / 75

页数：7

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