http://www.cnr.it/ontology/cnr/individuo/prodotto/ID18517
The synthesis and X-ray structural characterization of mer and fac isomers of the technetium(I) nitrosyl complex [TcCl2(NO)(PNPpr)] (Articolo in rivista)
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- The synthesis and X-ray structural characterization of mer and fac isomers of the technetium(I) nitrosyl complex [TcCl2(NO)(PNPpr)] (Articolo in rivista) (literal)
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- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.ica.2009.04.017 (literal)
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Nicholson T.L. ; Mahmood A . ; Refosco F. ; Tisato F. ; Muller P. ; Jones A.G. (2009)
The synthesis and X-ray structural characterization of mer and fac isomers of the technetium(I) nitrosyl complex [TcCl2(NO)(PNPpr)]
in Inorganica Chimica Acta (Testo stamp.); Academic Press Elsevier, Amsterdam (Paesi Bassi)
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- Nicholson T.L. ; Mahmood A . ; Refosco F. ; Tisato F. ; Muller P. ; Jones A.G. (literal)
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- http://pdn.sciencedirect.com/science?_ob=MiamiImageURL&_cid=271401&_user=6668161&_pii=S0020169309002369&_check=y&_origin=article&_zone=toolbar&_coverDate=01-Aug-2009&view=c&originContentFamily=serial&wchp=dGLbVBA-zSkzk&md5=78e1aca4a26962a0afb8c4729da54e7d/1-s2.0-S0020169309002369-main.pdf (literal)
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- 1,2,6 The Department of Radiology, Harvard Medical School, 200 Longwood Ave, Building D2-137, Boston, MA 02215, USA
5 The Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
3,4 ICIS-CNR, Corso S. Uniti, 4, 35100 Padova, Italy (literal)
- Titolo
- The synthesis and X-ray structural characterization of mer and fac isomers of the technetium(I) nitrosyl complex [TcCl2(NO)(PNPpr)] (literal)
- Abstract
- The nitrosyl complex H[TcNOCl4] reacts with the tridentate ligand bis[(2-diphenylphosphino)propyl] amine (PNPpr) to yield a mixture of the mer or fac isomers of [TcCl2(NO)(PNPpr)]. In acetonitrile, where the ligand is freely soluble, reaction occurs at room temperature to yield mostly the mer isomer with the linear nitrosyl ligand cis to the amine ligand; and the phosphine ligands arranged in a mutually trans orientation. The reaction in methanol requires reflux to dissolve the lipophilic ligand and generates the fac isomer of [TcCl2(NO)(PNPpr)] as the major product, with the tridentate ligand in a facial arrangement, leaving the chlorides and nitrosyl ligand in the remaining facial sites. The steric bulk of the tridentate ligand's diphenylphophino-moieties results in a significant distortion from octahedral geometry, with the P-Tc-P bond angle expanded to 99.48(4)degrees. The infrared spectra display absorptions from these nitrosyl ligands in the 1700 and 1800 cm(-1) regions for the fac and mer isomers, respectively. The ESI(+) mass spectra each display the parent ion at 647 m/z. (literal)
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