Malini, R. ; Krishnan, V. (1984) Charge transfer complexes of crown ethers with neutral organic π-acceptor, 2-dicyanoethylene 1,3-indane dione Spectrochimica Acta Part A: Molecular Spectroscopy, 40 (3). pp. 323-328. ISSN 0584-8539
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/058485...
Related URL: http://dx.doi.org/10.1016/0584-8539(84)80056-2
Abstract
The interaction of benzo-15-crown-5, dibenzo-18-crown-6 and dibenzo-24-crown-8 with 2-dicyanoethylene 1,3-indane dione in CH2Cl2 has been described in terms of the formation of 1:1 molecular complexes. The magnitude of association constants and thermodynamic parameters indicate cooperative interactions of oxygens with the acceptors. The 1H and 13C NMR spectra of the complexes show that π-π interactions are a major source of ground state stabilization in these complexes.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 17262 |
| Deposited On: | 16 Nov 2010 08:05 |
| Last Modified: | 04 Jun 2011 06:45 |
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