mononuclear complex
Quick Summary
A mononuclear complex in chemistry is a coordination compound that contains a single metal atom or ion. This central metal atom is surrounded by ligands, which are molecules or ions that attach to the metal. In mononuclear complexes, these ligands are typically monodentate, meaning they attach to the metal through only one atom.
These complexes can be electrically neutral or charged, forming complex ions. Examples include uranium hexafluoride (UF6) and the hexaaquanickel(2+) ion, [Ni(H2O)6]2+. Mononuclear complexes are fundamental in understanding chemical bonding and exhibit various properties like color and catalytic activity.123
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