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Bridging Ligands

المؤلف:  Geoffrey A. Lawrance

المصدر:  Introduction to Coordination Chemistry

الجزء والصفحة:  275

2026-04-04

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Bridging Ligands

Some ligands with more than one lone pair of electrons, can bind two metals simultaneously and are then termed bridging ligands leading to polynuclear complexes.

These ligands are identified by the Greek letter mu (u) to indicate the ligand is bridging together with a superscript n to indicate the number of metal atoms to which the ligand is attached (but only if n > 2).

Examples:

This simple group of rules clearly does not by any means cover the full set of naming rules that apply to deal with modern coordination chemistry. However, they go some of the Wayt allowing you to ‘navigate’ around nomenclature for the relatively simple complexes you will likely meet. It is a difficult task to name complicated compounds– which is why, even in the chemical research literature, people sometimes choose to avoid it as much as possible. For some, nothing compares with a drawing of the complex molecule and a trivial name(s) for the ligand(s) involved!