Characterization of an organometallic xenon complex using NMR and IR spectroscopy

Graham E. Ball; Tamim A. Darwish; Spili Geftakis; Michael W. George; Douglas J. Lawes; Peter Portius; Jonathan P. Rourke

doi:10.1073/pnas.0406527102

Characterization of an organometallic xenon complex using NMR and IR spectroscopy

Graham E. Ball, Tamim A. Darwish, Spili Geftakis, Michael W. George, Douglas J. Lawes, Peter Portius, Jonathan P. Rourke

Research output: Journal Publication › Article › peer-review

33 Citations (Scopus)

Abstract

Photolysis of Re(ⁱPrCp)(CO)₂(PF₃) in liquid or supercritical Xe yields two new compounds [Re(ⁱPrCp)(CO) ₂Xe and Re(ⁱPrCp)(CO)(PF₃)Xe]. Re( ⁱPrCp)(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. ¹⁹F, ³¹P, and ¹²⁹Xe chemical shifts have been determined. The ¹²⁹Xe chemical shift of Re(ⁱPrCp)(CO)(PF₃)Xe, δ -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 ¹²⁹Xe and both the ¹⁹F and ³¹P 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.

Original language	English
Pages (from-to)	1853-1858
Number of pages	6
Journal	Proceedings of the National Academy of Sciences of the United States of America
Volume	102
Issue number	6
DOIs	https://doi.org/10.1073/pnas.0406527102
Publication status	Published - 8 Feb 2005
Externally published	Yes

Keywords

Multinuclear NMR
Photolysis
Time-resolved IR
Xenon chemical shifts

ASJC Scopus subject areas

General

Access to Document

10.1073/pnas.0406527102

Cite this

@article{89f68e90987a4320a1a9787302b2a375,

title = "Characterization of an organometallic xenon complex using NMR and IR spectroscopy",

abstract = "Photolysis of Re(iPrCp)(CO)2(PF3) in liquid or supercritical Xe yields two new compounds [Re(iPrCp)(CO) 2Xe and Re(iPrCp)(CO)(PF3)Xe]. Re( iPrCp)(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. 19F, 31P, and 129Xe chemical shifts have been determined. The 129Xe chemical shift of Re(iPrCp)(CO)(PF3)Xe, δ -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 129Xe and both the 19F and 31P 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.",

keywords = "Multinuclear NMR, Photolysis, Time-resolved IR, Xenon chemical shifts",

author = "Ball, {Graham E.} and Darwish, {Tamim A.} and Spili Geftakis and George, {Michael W.} and Lawes, {Douglas J.} and Peter Portius and Rourke, {Jonathan P.}",

year = "2005",

month = feb,

day = "8",

doi = "10.1073/pnas.0406527102",

language = "English",

volume = "102",

pages = "1853--1858",

journal = "Proceedings of the National Academy of Sciences of the United States of America",

issn = "0027-8424",

publisher = "National Academy of Sciences",

number = "6",

}

TY - JOUR

T1 - Characterization of an organometallic xenon complex using NMR and IR spectroscopy

AU - Ball, Graham E.

AU - Darwish, Tamim A.

AU - Geftakis, Spili

AU - George, Michael W.

AU - Lawes, Douglas J.

AU - Portius, Peter

AU - Rourke, Jonathan P.

PY - 2005/2/8

Y1 - 2005/2/8

N2 - Photolysis of Re(iPrCp)(CO)2(PF3) in liquid or supercritical Xe yields two new compounds [Re(iPrCp)(CO) 2Xe and Re(iPrCp)(CO)(PF3)Xe]. Re( iPrCp)(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. 19F, 31P, and 129Xe chemical shifts have been determined. The 129Xe chemical shift of Re(iPrCp)(CO)(PF3)Xe, δ -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 129Xe and both the 19F and 31P 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.

AB - Photolysis of Re(iPrCp)(CO)2(PF3) in liquid or supercritical Xe yields two new compounds [Re(iPrCp)(CO) 2Xe and Re(iPrCp)(CO)(PF3)Xe]. Re( iPrCp)(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. 19F, 31P, and 129Xe chemical shifts have been determined. The 129Xe chemical shift of Re(iPrCp)(CO)(PF3)Xe, δ -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 129Xe and both the 19F and 31P 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.

KW - Multinuclear NMR

KW - Photolysis

KW - Time-resolved IR

KW - Xenon chemical shifts

UR - http://www.scopus.com/inward/record.url?scp=13844318046&partnerID=8YFLogxK

U2 - 10.1073/pnas.0406527102

DO - 10.1073/pnas.0406527102

M3 - Article

C2 - 15677722

AN - SCOPUS:13844318046

SN - 0027-8424

VL - 102

SP - 1853

EP - 1858

JO - Proceedings of the National Academy of Sciences of the United States of America

JF - Proceedings of the National Academy of Sciences of the United States of America

IS - 6

ER -

Characterization of an organometallic xenon complex using NMR and IR spectroscopy

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this