Coordination compound

Coordination Compound

A Coordination Compound (pronunciation: /koʊˌɔːrdɪˈneɪʃən ˈkɒmpaʊnd/) is a type of chemical compound that involves coordinate bonds. These are formed when a central atom or ion, usually a transition metal, is surrounded by a number of ligands.

Etymology

The term "coordination compound" is derived from the concept of coordinate covalent bond, which is a type of chemical bond where the electron pair is provided by one of the bonding atoms.

Related Terms

• Ligand: An ion or molecule that binds to a central atom to form a coordination complex.
• Central Atom: The atom or ion at the center of a coordination compound or ion.
• Coordinate Covalent Bond: A type of chemical bond where the electron pair is provided by one of the bonding atoms.
• Transition Metal: Any of the metallic elements within Groups 3 to 12 in the Periodic Table that serve as the central atom in coordination compounds.
• Chemical Compound: A substance formed from two or more elements chemically united in fixed proportions.

See Also

• Complex (chemistry)
• Chelation
• Metal Ammine Complex
• Ligand Field Theory
• Crystal Field Theory

External links

• Medical encyclopedia article on Coordination compound
• Wikipedia's article - Coordination compound

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