Reaction of platinum-gold cluster compounds with dihydrogen

The platinum-gold cluster compound [Pt(Au-PPh[sub 3])[sub 8]](NO[sub 3])[sub 2] has been found to reversibly and rapidly react with dihydrogen to give the new dihydride cluster [Pt(H)[sub 2](AuPPh[sub 3])[sub 8]](NO[sub 3])[sub 2]. The reaction takes place in solution and solid phases. In solution t...

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Bibliographic Details
Published in:Inorganic chemistry 1993-03, Vol.32 (7), p.1074-1075
Main Authors: Kappen, T. G. M. M, Bour, J. J, Schlebos, P. P. J, Roelofsen, A. M, Van der Linden, J. G. M, Steggerda, J. J, Aubart, Mark A, Krogstad, Donald A, Schoondergang, Marcel F. J, Pignolet, Louis H
Format: Article
Language:English
Subjects:
400201 - Chemical & Physicochemical Properties
ATOMIC CLUSTERS
CHEMICAL REACTIONS
CHEMISTRY
Coordination compounds
ELECTROCHEMISTRY
ELEMENTS
Exact sciences and technology
GOLD COMPOUNDS
GOLD HYDRIDES
HYDRIDES
HYDROGEN
HYDROGEN COMPOUNDS
Inorganic chemistry and origins of life
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
MAGNETIC RESONANCE
NITRATES
NITROGEN COMPOUNDS
NONMETALS
NUCLEAR MAGNETIC RESONANCE
OXYGEN COMPOUNDS
PHOSPHINES
PHOSPHORUS COMPOUNDS
PLATINUM COMPOUNDS
PLATINUM HYDRIDES
Preparations and properties
RESONANCE
TRANSITION ELEMENT COMPOUNDS
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Description
Summary:The platinum-gold cluster compound [Pt(Au-PPh[sub 3])[sub 8]](NO[sub 3])[sub 2] has been found to reversibly and rapidly react with dihydrogen to give the new dihydride cluster [Pt(H)[sub 2](AuPPh[sub 3])[sub 8]](NO[sub 3])[sub 2]. The reaction takes place in solution and solid phases. In solution the reaction has been followed by NMR spectroscopy as a function of temperature and H[sub 2] pressure and by electrochemistry. The new cluster has been characterized by NMR spectroscopy and is thought to be a key intermediate in the rapid H[sub 2]-D[sub 2] equilibration reaction catalyzed by [Pt(Au-PPh[sub 3])[sub 8]](NO[sub 3])[sub 2].
ISSN:0020-1669
1520-510X
DOI:10.1021/ic00059a007