Synthesis, structural and spectroscopic characterization, catalytic properties, and thermal transformations of new cyclic di- and trisiloxanediolato tantalum complexes

Inorganic Chemistry

Volumn 45, Issue 5, 2006, Pages 2203-2208

  Kapoor, Ramesh N ^a   Cervantes Lee, Francisco ^a   Campana, Charles F ^b   Haltiwanger, Curtis ^b   Abney, Kent ^c   Pannell, Keith H ^a  

^a UNIVERSITY OF TEXAS AT EL PASO   (United States)

^b BRUKER AXS INC   (United States)

^c LOS ALAMOS NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ORGANOMETALLIC COMPOUND; TANTALUM;

ARTICLE; CATALYSIS; CHEMICAL STRUCTURE; CHEMISTRY; DIMERIZATION; INORGANIC CHEMISTRY; METHODOLOGY; SYNTHESIS; X RAY CRYSTALLOGRAPHY;

CATALYSIS; CHEMISTRY, INORGANIC; CRYSTALLOGRAPHY, X-RAY; DIMERIZATION; MOLECULAR STRUCTURE; ORGANOMETALLIC COMPOUNDS; TANTALUM;

EID: 33645092412     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic051274w     Document Type: Article

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30. 29Si NMR spectroscopy indicated a single peak at -10.6 ppm. Addition of a single drop of 6 N HCl resulted in the formation of resonances at -8.5, -10.5, -11.4, -19.5, and -20.5 ppm; after 48 h, only resonances at -8.5, -11.33, -18.7, and -20.5 ppm remained, and after 15 days, two resonances at -8.5 and -18.9 ppm representing D3 and D4, respectively, were present. This conclusion was confirmed by GC/MS and comparison with authentic materials.