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Cover Picture: ZAAC ‐ Journal of Inorganic and General Chemistry 10/2015
Publication year - 2015
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201590021
Subject(s) - chemistry , cover (algebra) , crystallography , cationic polymerization , cluster (spacecraft) , carboxylate , stereochemistry , computer science , polymer chemistry , mechanical engineering , engineering , programming language
The cover picture shows two types of the phosphanegold(I) cluster cations and Keggin polyoxometalate (POM) anions coordinated by two mononuclear phosphanegold(I) cations. These intercluster compounds are formed during carboxylate elimination of monomeric phosphanegold(I) carboxylate precursors in the presence of the POM. The structures of phosphanegold(I) cluster cations show different dimerization arrangements by inter‐cationic aurophilic interactions in crossed‐edge arrangement (tetrahedral Au 4 structure) or parallel‐edge arrangement (rectangular Au 4 structure). This structural difference depends upon the p ‐substituent, F or Cl, on the aryl group of the triarylphosphanes. Mononulcear phosphanegold(I) cations linked to the POM indicate a transient state in the formation of the phosphanegold(I) cluster cations. More details are discussed in the article by K. Nomiya et al. on pp. 1688ff.