Volume 25, Issue 3 (9-2017)                   www.ijcm.ir 2017, 25(3): 667-672 | Back to browse issues page


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Tabatabaee M, Dušek M, Pojarova M. The phase transition of pyridine-2-6-dicarboxylateo nickel (II), rehydrate at different temperatures. www.ijcm.ir. 2017; 25 (3) :667-672
URL: http://ijcm.ir/article-1-964-en.html
Abstract:   (778 Views)
A nickel complex with pyridine-2,6-dicarboxylic acid formulated as [Ni(pydcH)2].3H2O was synthesized and its crystal structure determined with single-crystal X-ray at diffraction temperatures (296 K and 120 K).  Pyridine-2,6-dicarboxyli acid  deprotonated on one group of COOH and two pydcH- anion is coordinated to Ni(II) atom as a tridentate ligand forming a distorted octahedral environment. The phase transition in crystal system is obtained with differ in temperature. The title compound is crystallized in monoclinic system with P21/c space group at 296 K, while it is crystallized in triclinic system with CAWT IMAGE space group at 120 K. 
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Type of Study: Research | Subject: Special
Received: 2017/08/29 | Accepted: 2017/08/29 | Published: 2017/08/29

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