What is the systematic name for each of the following...

What is the systematic name for each of the following coordination compounds? $\begin{array}{ll}{\text { (a) } \mathrm{Cs}\left[\mathrm{FeCl}_{4}\right]} & {\text { (b) }\left[\mathrm{V}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]\left(\mathrm{NO}_{3}\right)_{3}} \\ {\text { (c) }\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right] \mathrm{Br}} & {\text { (d) } \mathrm{Cu}(\mathrm{gly})_{2}}\end{array}$

What is the systematic name for each of the following coordination compounds?

$\begin{array}{ll}{\text { (a) } \mathrm{Cs}\left[\mathrm{FeCl}_{4}\right]} & {\text { (b) }\left[\mathrm{V}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]\left(\mathrm{NO}_{3}\right)_{3}} \\ {\text { (c) }\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right] \mathrm{Br}} & {\text { (d) } \mathrm{Cu}(\mathrm{gly})_{2}}\end{array}$

Key Concepts

Coordination Compounds

Coordination compounds consist of a central metal ion bonded to a set of surrounding molecules or ions, known as ligands. Their systematic naming requires an understanding of the structure, including the identity of the metal, the nature and number of ligands, and the overall charge of the complex.

Oxidation State Determination

Determining the oxidation state of the central metal is essential for naming coordination compounds. This involves accounting for the charges contributed by each ligand and any counter ions, ensuring that the overall charge of the complex is correctly balanced in the final name.

Ligand Nomenclature

Ligands in coordination compounds are named according to specific rules: anionic ligands typically receive an '-ido' or '-o' ending, while neutral ligands often retain their common names. Additionally, prefixes are used to denote the number of identical ligands present, and any polydentate or ambidentate nature must be clearly indicated.

Complex Ion Naming and Charge Balancing

When naming coordination compounds, the complex ion is named by first listing the ligands (in alphabetical order, ignoring any numerical prefixes) followed by the metal center along with its oxidation state placed in parentheses in Roman numerals. If the overall complex ion is negative, the name of the metal is modified with an '-ate' suffix.

Chelation and Bidentate Ligands

Chelating ligands, such as bidentate ligands, bind to the central metal ion at multiple sites, often increasing the stability of the compound. Their naming involves the use of appropriate numerical prefixes to indicate the multiplicity of the coordination sites, as well as the application of specific nomenclature rules that reflect their multidentate binding.

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