Organometallics
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(18) The platinum(II) silyl hydrido complexes cis-[PtH(SiR3)-
(PCy3)2] show unique thermal behavior through the Pt(η2-HÀSiR3)
interaction, which includes a phosphine exchange process and reductive
elimination of silane involving two distinct transition states:Chan, D.;
Duckett, S. B.; Heath, S. L.; Khazal, I. G.; Perutz, R. N.; Sabo-Etienne, S.;
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(19) Crystal data for 2 at 100 K: C58H88O3P2PdSi, MW = 1029.71,
monoclinic, space groupP21/c, Z= 4, a = 16.4057(7) Å, b = 19.7682(9) Å,
c = 17.2878(7) Å, β = 105.3740(10)°, V = 5406.0(4) Å3, Dcalcd
=
1.265 g cmÀ3, 2θmax = 50.00°, R1 (I > 2σ(I)) = 0.0690, wR2 (all data) =
0.1583 for 9523 reflections, 644 parameters, and 6 restraints, GOF =
1.025. Crystal data for 4 at 100 K: C58H88GeO3P2Pd, MW = 1074.21,
monoclinic, space group P21/c, Z = 4, a = 16.4583(11) Å, b =
19.8712(13) Å, c = 17.2632(12) Å, β = 105.5310(10)°, V = 5439.7(6) Å3,
D
calcd = 1.312 g cmÀ3, 2θmax = 51.00°, R1 (I > 2σ(I)) = 0.0450, wR2
(all data) = 0.1166 for 10 126 reflections, 645 parameters, and 4
restraints, GOF = 1.041.
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dx.doi.org/10.1021/om200576f |Organometallics 2011, 30, 4490–4493