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Spectroscopic characterization of the polycrystalline copper(I) di-n-butyldithlophosphate cluster - Cu-8[S2P(O-n-Bu)(2)](6)(mu(8)-S): Solid-state P-31 CP/MAS and static Cu-65 NMR studies
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Rusanova, Daniela, Pike, Kevin J., Dupree, Ray, Hanna, John V., Antzutkin, Oleg N., Persson, Ingmar and Forsling, Willis (2006) Spectroscopic characterization of the polycrystalline copper(I) di-n-butyldithlophosphate cluster - Cu-8[S2P(O-n-Bu)(2)](6)(mu(8)-S): Solid-state P-31 CP/MAS and static Cu-65 NMR studies. Inorganica Chimica Acta, Vol.359 (No.12). pp. 3903-3910. doi:10.1016/j.ica.2006.04.011 ISSN 0020-1693.
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Official URL: http://dx.doi.org/10.1016/j.ica.2006.04.011
Abstract
A polycrystalline copper(1) O,O'-di-n-butyldithiophosphate cluster compound, Cu-8[S2P(O-n-Bu)(2)](6)(mu(8)-S), was synthesized and characterized by P-31 CP/MAS NMR at 8.46 T and static Cu-65 NMR at multiple magnetic field strengths (7.05, 9.4 and 14.1 T). The principal values of the P-31 chemical shift tensor and the Cu-65 chemical shift and quadrupolar splitting parameters are presented. The data are compared to those for the analogous octa-nuclear cluster compounds [Cu-8(S2P(OEt)(2))6(mu(8)-S)], [Cu-8(S2P(O-n-Pr)(2))(6)(mu(8)-S)] and [Cu-8(S2P(O-i-Bu)(2))(6)(mu(8)-S)]. The transverse relaxation time constant, T-2, for the [Cu-8(S2P(O-n-Bu)(2))(6)(mu(8)-S)] cluster compound was found to be 160 +/- 8 ps. Possible intra-molecular motions in the cluster structures in terms of size and branching of the hydrocarbon chains are discussed as reasons for the different Cu-65 NMR responses of the systems. (c) 2006 Elsevier B.V. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Journal or Publication Title: | Inorganica Chimica Acta | ||||
Publisher: | Elsevier BV | ||||
ISSN: | 0020-1693 | ||||
Official Date: | 1 September 2006 | ||||
Dates: |
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Volume: | Vol.359 | ||||
Number: | No.12 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 3903-3910 | ||||
DOI: | 10.1016/j.ica.2006.04.011 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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