Supriya, Sabbani ; Das, Samar K. (2010) A simple coordination complex exhibiting colour change on slight structural modification: synthesis and crystal structures of violet and yellow forms of [NiII(opda)2(NCS)2] (opda = orthophenylenediamine) Journal of Chemical Sciences, 122 (5). pp. 731-737. ISSN 0253-4134
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Official URL: http://www.ias.ac.in/chemsci/Pdf-Sep2010/731.pdf
Related URL: http://dx.doi.org/10.1007/s12039-010-0061-4
Abstract
The violet-coloured compound [NiII(opda)2(NCS)2] (1) undergoes colour change to straw-yellow colour retaining its molecular composition on standing over long period of time at room temperature in the solid state. Compound 1 (violet form) and its yellow-form [NiII(opda)2(NCS)2] (2) (opda = orthophenylenediammine) have been characterized by routine spectroscopic methods and single crystal X-ray diffraction analysis. Compound 1 crystallizes in monoclinic space group P21/c and its yellow form (compound 2) retains same space group. Their crystal structures show an intricate supramolecular network based on N-H···S hydrogen bonds, that involve amine and thiocyanate groups coordinated to nickel(II).
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Indian Academy of Sciences. |
| Keywords: | Orthophenylenediamine; Nickel Complexes; Crystal Structures; Intricate Hydrogen Bonding Networks |
| ID Code: | 63463 |
| Deposited On: | 29 Sep 2011 04:33 |
| Last Modified: | 18 May 2016 12:14 |
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