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47, 49 Ti NMR spectra of half‐sandwich titanium(IV) complexes
Author(s) -
Erben Milan,
Růžička Aleš,
Picka Michal,
Pavlík Ivan
Publication year - 2004
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1354
Subject(s) - chemistry , spectral line , titanium , resonance (particle physics) , line (geometry) , nmr spectra database , analytical chemistry (journal) , crystallography , atomic physics , physics , geometry , mathematics , organic chemistry , chromatography , astronomy
The 47, 49 Ti chemical shifts, resonance line half‐widths (Δν 1/2 ) and energies of the first electronic charge‐transfer transitions $(\lambda_{\max}^{\rm 1.CT})$ of Cp′TiX 3 , where Cp′ = η 5 ‐C 5 H 5 (Cp), η 5 ‐C 5 H 4 Me (MeCp), η 5 ‐C 5 HMe 4 (Me 4 Cp), η 5 ‐C 5 Me 5 (Me 5 Cp), η 5 ‐C 5 H 4 SiMe 3 (SiCp), η 5 ‐C 5 H 4 SnMe 3 (SnCp) and η 5 ‐C 5 H 4 SiMe 2 Cl (Si ′ Cp) and X = Cl, Br, I and OBu t , half‐sandwich complexes are reported. For the compounds studied, a direct linear relationship between δ( 49 Ti) and $\lambda_{\max}^{\rm 1.CT}$ was found. Copyright © 2004 John Wiley & Sons, Ltd.