Mandal, Sisir K. ; Chakravarty, Akhil R. (1993) Stereochemical properties and X-ray structure of a water-soluble diastereomeric (arene)ruthenium(II) Schiff-base complex: [Ru(η-MeC6H4Pri-p)(H2O)(L∗)](ClO4), containing a weakly bound aqua ligand [HL∗=(S)-(α-methylbenzyl)salicylaldimine] Inorganic Chemistry, 31 (18). pp. 3851-3854. ISSN 0020-1669
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic00070a014
Related URL: http://dx.doi.org/10.1021/ic00070a014
Abstract
An air-stable and water-soluble diastereomeric half-sandwich ruthenium(I1) complex, [Ru(η-MeC6H4Pri-p)(H2O)-(L∗)](ClO4) (l), has been isolated and structurally characterized [HL∗= (27)-(α-methylbenzyl)salicylaldimine, 2-HOC6H4CH=NCHMePh]. Complex 1, C25H30NO6ClRu, crystallizes in the noncentric triclinic space group P1 with a=9.885(1)Å, b=10.185(1)Å, c=14.187(2)Å, α=110.32(1)°, β=102.17(1)°, Å=102.41(1)°, V=1243( 1) Å3, and Z=2. The X-ray structure shows the presence of two diastereomers in a 1:l ratio having RRuνSC and SRuνSC configurations. The Ru-OH2 bond distances are considerably long, and the values for RRu-1 and SRu-1isomers are 2.119(5) and 2.203(5) Å, respectively. The aqua complex (1) exists as a single diastereomer in solution, and it forms stable adducts with P-, N-, and halide-donor ligands. The stereochemical changes associated with adduct-forming reactions follow an inversion order: PPh3»P(OMe)3> pyridine bases»halides (I, Br, Cl)>H2O.
| Item Type: | Article |
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| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 78287 |
| Deposited On: | 19 Jan 2012 06:36 |
| Last Modified: | 19 Jan 2012 06:37 |
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