Categorizing Interactions Involving Group 11 Elements
The recent focus on supramolecular/nanostructured systems drew major attention on chemical interactions and prompted a flurry of terms indicating specific interaction subclasses. This is particularly true for interactions involving group 11 elements. Group 11 elements afford a wide diversity of chemical interactions which differ for the preferentially involved moieties, the geometric/energetic features, the nature of prevailing attractive forces, etc. Numerous terms are available in the chemical literature to designate specific subclasses of these interactions. For instance, the so-named aurophilic and argentophilic interactions are typically homonuclear short contacts wherein relativistic effects play an important role while coinage (or regium) bonds can be characterized as heteronuclear short contacts wherein the group 11 element is the electrophile. Inconsistent use of these and related terms sometimes occurs, as it is often the case when several terms are employed by different communities to designate phenomena involving analogous moieties.
For more information and comments, contact Task Group Chair Giuseppe Resnati <giuseppe.resnati@polimi.it>
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