Chapter 20
Transition Metals and Coordination Complexes
![Properties of Transition Metals](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11454.jpg)
Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups…
![Coordination Compounds and Nomenclature](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11455.jpg)
In most main group element compounds, the valence electrons of the isolated atoms combine to form chemical bonds that satisfy the octet rule. For…
![Coordination Number and Geometry](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11457.jpg)
For transition metal complexes, the coordination number determines the geometry around the central metal ion. Table 1 compares coordination numbers…
![Structural Isomerism](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11458.jpg)
Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can…
![Valence Bond Theory](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11460.jpg)
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from…
![Crystal Field Theory - Octahedral Complexes](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11461.jpg)
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons…
![Preparation of SNS Cobalt(II) Pincer Model Complexes of Liver Alcohol Dehydrogenase](https://cloudfront.jove.com/files/thumbs/60668_t.png)
Chemical model complexes are prepared to represent the active site of an enzyme. In this protocol, a family of tridentate pincer ligand precursors…
![Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers](https://cloudfront.jove.com/files/thumbs/56062_t.png)
This article shows how the COLTRIMS (Cold Target Recoil Ion Momentum Spectroscopy) or the "reaction microscope" technique can be used to distinguish…