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cis and trans Influences in Pt(PPh3)2 Complexes

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cis and trans Influences in Pt(PPh3)2 Complexes
Luca Rigamonti,a Michele Rusconi,a Carlo Manassero,b Mario
Manassero,b Alessandra Forni,c Alessandro Pasinia
a
Dipartimento di Chimica Inorganica, Metallorganica e
Analitica ‘L. Malatesta’, Università degli Studi di Milano, Via
Venezian 21, 20133 Milano, Italy. [email protected]
b
Dipartimento di Chimica Strutturale e Stereochimica
Inorganica, Università degli Studi di Milano, Via Venezian 21,
20133 Milano, Italy.
c
CNR-ISTM, Via Golgi 19, 20133 Milano, Italy.
The cis and the trans
influences are important
tools to rationalize the bond
strengths in complexes. In
cis/trans- [PtIIXY(PPh3)2]
compounds (X and Y are
anionic
ligands)
the
variations of the Pt-P bond
strengths can be related to
the 1JPtP values, which
depend on both the cis and trans influences of X and Y.
Analysing the coupling constants of a series of cis and trans[PtIIXY(PPh3)2] compounds these influences can be
rationalized and quantified.1 The structural trans and cis
influences are less manifest, as shown by several crystal
structures, which have been determined. A theoretical study
will also be described, in order to fully comprehend these
systems.
1. some already published results in: Rigamonti, L.; Manassero, C.;
Rusconi, M.; Manassero, M.; Pasini, A. Dalton Trans. 2009, 12061213.
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