Скачать или смотреть Making 3 Fascinating Coordination Compounds of Cobalt

In this video I discuss and make a few fascinating cobalt complexes. I thought this video would be a good opportunity to discuss the science, the history, and the nomenclature of coordination complexes along with a bit of modern application.
Let me know in the comments if the more informative approach is appreciated/interesting, or if you found it a bit too much.

Note that my explanation of how these compounds work is intentionally oversimplified in order to make this topic accessible to a wider audience. Specifically, my goal was to make no mention of Molecular Orbitals, degenerate orbitals, antibonding, hard/soft bases, or hybridization.
However, as those of you with a background in inorganic chem know, valence bond theory is inadequate to properly explain where electrons actually reside when these bonds form (they don't literally go into a 4d orbital the way I showed).
This makes little difference in synthetic practice, but its not really possible to explain the spectroscopic (color) outputs of the metal complexes without these more advanced bonding concepts.
I did have to mention pi-backbonding once to explain why carbonyls were the strongest ligands, and I did have to mention hybridization once to emphasize the structural difference between Co(II) and Co(III) amine complexes.
Perhaps I'll do a part 2 eventually where I get into these more advanced concepts, let me know if that's something you'd like to see!

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