Pd(II) and Pt(II) complexes with chalcogenide derivatized phosphathia ligands

Connolly, Julie, Genge, Anthony R. J., Pope, Simon J. A. ORCID: https://orcid.org/0000-0001-9110-9711 and Reid, Gillian 1998. Pd(II) and Pt(II) complexes with chalcogenide derivatized phosphathia ligands. Polyhedron 17 (13-14) , pp. 2331-2336. 10.1016/S0277-5387(97)00508-1

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Abstract

The mixed phosphine sulfide/thioether and phosphine selenide/thioether ligands L1-L4 react with PdCl2 or PtCl2 in the presence of TlPF6 in MeNO2 solution to give the distorted square planar complexes [Pd(L)](PF6)2 or [Pt(L)](PF6)2 as powdered solids. IR spectroscopy shows ν(PS) or ν(PSe) for the complexes are to low frequency of free L1-L4, indicating coordination via the sulfide or selenide. 31P{1H}, 77Se{1H} and 195Pt NMR studies confirm η4-ligation in solution, and the spectra do not alter significantly upon cooling. Also, the 195Pt NMR chemical shifts indicate that the mixed phosphine sulfide/thioether donor set results in a very similar electronic environment at Pt(II) to a homoleptic tetrathioether donor set. δ(195Pt) for the mixed phosphine selenide/thioether complexes of Pt(II) occur at slightly lower frequency. The crystal structure of L3 is also reported.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Subjects:	Q Science > QD Chemistry
Uncontrolled Keywords:	Pd(II); Pt(II); chalcogenide
Publisher:	Elsevier
ISSN:	0277-5387
Last Modified:	21 Oct 2022 10:54
URI:	https://orca.cardiff.ac.uk/id/eprint/41656

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