Koner, Subratanath ; Ghosh, Ashutosh ; Chaudhuri, Nirmalendu Ray (1990) Synthesis of cis and trans isomers of N,N′-dimethyl-1,2-ethanediamine complexes of nickel (II) nitrate and solid-phase thermal cis-to-trans isomeric transformation Journal of the Chemical Society, Dalton Transactions (5). pp. 1563-1567. ISSN 0300-9246
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Official URL: http://pubs.rsc.org/en/Content/ArticleLanding/1990...
Related URL: http://dx.doi.org/10.1039/DT9900001563
Abstract
The octahedral cis and trans isomers of [NiL2(NO3)2]•nH2O (L = N,N′-dimethyl-1,2-ethanediamine; n = 0, 2 or 4) have been synthesised. On heating in the solid state the deaquated cis-[NiL2(NO3)]NO3 isomerises exothermally to trans-[NiL2(NO3)2] accompanied by an irreversible thermochromic colour change from deep blue to pink. This transformation can also be brought about at room temperature in the presence of a humid atmosphere (ca. 60%) as catalyst. The effect of humidity on the composition and geometry of the complexes has been investigated.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 108461 |
| Deposited On: | 13 Oct 2017 12:48 |
| Last Modified: | 13 Oct 2017 12:48 |
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