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Four-Coordinate, Trigonal Pyramidal Pt(II) and Pd(II) Complexes

Tsay, Charlene and Mankad, Neal P. and Peters, Jonas C. (2010) Four-Coordinate, Trigonal Pyramidal Pt(II) and Pd(II) Complexes. Journal of the American Chemical Society, 132 (40). pp. 13975-13977. ISSN 0002-7863.

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We report herein the characterization of electrophilic, trigonal bipyramidal {[SiP_3^R]Pt(L)}+ cations ([SiP_3 ^R] ) [(2-R_2PC_6H_4)_3Si]; R ) Ph, ^iPr) that feature weakly coordinated ligands including CH_2Cl_2, Et_2O, toluene, and H_2. A cationic toluene adduct that shows a close platinum aryl C-H σ-contact is perhaps most noteworthy in this context. For the isopropyl-substituted ligand, [SiP_3^(iPr)], it has proven possible to exclude the fifth axial donor to afford the rigorously four-coordinate, trigonal pyramidal (TP) complex {[SiP_3^(iPr)]Pt}^+. An isostructural TP palladium complex {[SiP_3^(iPr)]Pd}^+ is also accessible. Prototypical four-coordinate d^8 platinum and palladium complexes are square planar. The TP d^8 cations described herein are hence geometrically distinct.

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Peters, Jonas C.0000-0002-6610-4414
Additional Information:© 2010 American Chemical Society. Published In Issue October 13, 2010. Article ASAP September 21, 2010. Received: June 16, 2010. This work was generously supported by the NSF (CHE-0750234). We are grateful to Paul F. Oblad for conducting preliminary synthetic studies and to Dr. Peter Müller and Dr. David VanderVelde for assistance with XRD and NMR studies, respectively.
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Issue or Number:40
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Official Citation:Four-Coordinate, Trigonal Pyramidal Pt(II) and Pd(II) Complexes Charlene Tsay, Neal P. Mankad, Jonas C. Peters Journal of the American Chemical Society 2010 132 (40), 13975-13977
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:20638
Deposited By: Ruth Sustaita
Deposited On:02 Nov 2010 18:10
Last Modified:26 Nov 2019 11:15

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