UNSPECIFIED. (2005) Characterization of an organometallic xenon complex using NMR and IR spectroscopy. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 102 (6). pp. 1853-1858. ISSN 0027-8424

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Abstract

Photolysis of Re((PrCP)-Pr-i)(CO)(2)(PF3) in liquid or supercritical Xe yields two new compounds [Re((PrCp)-Pr-i)(CO)(2)Xe and Re((PrCp)-Pr-i)(CO)(PF3)Xe]. Re((PrCp)-Pr-i)(CO)(PF3)Xe has been characterized by NMR and IR spectroscopies. The compound is an organometallic Xe complex that has been characterized by using NMR spectroscopy and is shown to be longer-lived than other organometallic Xe complexes by IR spectroscopy. F-19, P-31, and Xe-129 chemical shifts have been determined. The Xe-129 chemical shift of Re((PrCp)-Pr-i)(CO)(PF3)Xe, delta -6,179, is a Xe shift that is significantly shielded, on the order of 1,000 ppm, with respect to free Xe. The coupling constants between coordinated Xe-129 and both the F-19 and P-31 nuclei present have been Extracted, confirming the identity of the compound. Observed line widths give a lower limit to the lifetime of the coordinated Xe of 27 ms at 163 K.

Item Type:	Journal Article
Subjects:	Q Science
Journal or Publication Title:	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Publisher:	NATL ACAD SCIENCES
ISSN:	0027-8424
Date:	8 February 2005
Volume:	102
Number:	6
Number of Pages:	6
Page Range:	pp. 1853-1858
Identification Number:	10.1073/pnas.0406527102
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/7364

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