ic0481531_si_001.cif (62.09 kB)

Supramolecular Recognition Forces:  An Examination of Weak Metal−Metal Interactions in Host−Guest Formation

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posted on 02.05.2005, 00:00 by James D. Crowley, Ian M. Steele, B. Bosnich
Molecular receptors consisting of two parallel-disposed terpy−M−Cl units (M = Pd2+, Pt2+) are used to form host−guest adducts with aromatic molecules and with neutral square-planar Pt2+ complexes. Host−guest formation is controlled by several factors including π−π interactions and, in some cases, weak Pt−Pt interactions between the host and the guest. This latter interaction was examined by comparing the host−guest stability of adducts formed by isoelectronic Pt2+ and Au3+ complexes with the Pt2+ receptor. Consistently, the former is more stable.

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