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polydentate
This term is used exclusively within the specialized register of inorganic chemistry and coordination chemistry. It describes the structural capacity of a ligand to form multiple coordinate covalent bonds with a single metal ion, creating a stable ring structure known as a chelate. This is contrasted with monodentate ligands, which possess only one donor atom.
Because it is a technical descriptor of molecular architecture, the word is almost never found in general conversation or non-scientific literature. It functions as a precise classification of chemical behavior rather than a descriptive adjective for general use.
Meanings
Examples
EDTA is a classic example of a polydentate ligand.
The stability of the complex increases when a polydentate ligand is used.
I wonder if this specific metal ion prefers a polydentate or a monodentate coordinator.
I wonder if this specific metal ion prefers a polydentate or a monodentate coordinator.
Polydentate ligands can wrap around the metal center to form a chelate ring.
We need to synthesize a polydentate molecule that can selectively bind to copper.
The professor explained how polydentate ligands contribute to the chelate effect.
Is the ligand polydentate or just bidentate in this particular reaction?
A polydentate structure allows for multiple points of attachment to the central atom.