[{Pt(CO)3}2]2+: The First Homoleptic, Dinuclear, Cationic Platinum(I) Carbonyl Complex Formed in Concentrated Sulfuric Acid

✍ Scribed by Qiang Xu; Yoshie Souma; Brian T. Heaton; Chacko Jacob; Kan Kanamori

• Publisher: John Wiley and Sons
• Year: 2000
• Tongue: English
• Weight: 69 KB
• Volume: 112
• Category: Article
• ISSN: 0044-8249
• DOI: 10.1002/(sici)1521-3757(20000103)112:1<214::aid-ange214>3.0.co;2-e

✦ Synopsis

In the last ten years there has been a rapid development in the preparation and structural characterization of homoleptic metal carbonyl cations of late transition metals, following the discovery that they can be prepared in superacid media. This area has recently been reviewed [1] and, apart from the CO-bridged dinuclear palladium(i) complex [Pd 2 (m-CO) 2 ]-(SO 3 F) 2 [2a] and the unstable dinuclear mercury(i) carbonyl cation [Hg 2 (CO) 2 ] 2 , [2b] all the complexes are monomeric with values of n Ä(CO) significantly higher than 2143 cm À1 , the value for free CO. [3] In the 1970s the homoleptic, anionic platinum carbonyl clusters [Pt 3 (CO) 6 ] n 2À [