Bhattacharya, Rahul ; Ray, Mau Sinha ; Dey, Raja ; Righi, Lara ; Bocelli, Gabriele ; Ghosh, Ashutosh (2002) Synthesis, crystal structure and thermochromism of benzimidazolium tetrachlorocuprate: (C7H7N2)2[CuCl4] Polyhedron, 21 (25-26). pp. 2561-2565. ISSN 0277-5387
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0277-5387(02)01237-8
Abstract
The synthesis and crystal structure of thermochromic, yellow benzimidazolium tetrachlorocuprate(II), (C7H7N2)2[CuCl4 (1), have been reported. The compound crystallizes in the C2/c space group and contains discrete tetrahedral CuCl4 2− species. It absorbs one molecule of water from humid atmosphere at room temperature to produce a hydrated green form, (C7H7N2)2[CuCl4 •H2O, which upon heating loses the water molecule in two steps to form the anhydrous yellow compound 1. The role of the water molecule on the solid state, yellow⇄green thermochromic transformation is discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Thermochromism; Crystal Structures; Benzimidazolium; Tetrachlorocuprat |
| ID Code: | 108409 |
| Deposited On: | 13 Oct 2017 13:07 |
| Last Modified: | 13 Oct 2017 13:07 |
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