Chandra, Manish ; Sahay, A. N. ; Mobin, Shaikh M. ; Pandey, Daya Shankar (2002) Synthetic, spectral and structural aspects of some Rh(III) pentamethylcyclopentadiene complexes containing N,N′-donor bridging ligands Journal of Organometallic Chemistry, 658 (1-2). pp. 43-49. ISSN 0022-328X
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0022-328X(02)01598-X
Abstract
Reactions of the chloro-bridged dimeric rhodium complex [{(η5-C5Me5)Rh(μ-Cl)Cl}2] with the N,N′-donor bridging ligands pyridine-2-carbaldehyde azine (paa), p-phenylene-bis(picoline)aldamine (pbp) or p-biphenylene-bis(picoline)aldamine (bbp) in 1:1 molar ratio in methanol led in the formation of cationic binuclear complexes [(η5-C5Me5)ClRh(μ-L)RhCl(η5-C5Me5)] 2+ (L=paa, pbp or bbp) in high yield. It was further observed that reactions of the chloro-bridged dimeric rhodium complex [{(η5-C5Me5)Rh(μ-Cl)Cl}2], with an excess of the above mentioned ligands also, resulted in binuclear complexes. The reaction products have been characterized by microanalyses and spectroscopic studies (IR, 1H-,13C-NMR, ESMS/FAB mass and electronic spectra). Molecular structure of the representative binuclear complex [(η5-C5Me5)ClRh(μ-paa)RhCl(η5-C5Me5)](BF4)2 has been confirmed by single crystal X-ray analysis. Crystal data: monoclinic, P21/n, a=10.2050(7), b=15.4470(7), c=24.959(2) Å, β=97.904(6)°, V=3897.1(5) Å3, Z=4, R=0.0609.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Rhodium Pentamethylcyclopentadiene Complexes; Pyridine-2-carbaldehyde azine; p-Phenylene-bis(picoline)aldamine; p-Biphenylene-bis(picoline)aldamine; Bridged Complexes |
| ID Code: | 105677 |
| Deposited On: | 20 Apr 2017 06:38 |
| Last Modified: | 20 Apr 2017 06:38 |
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