pi systems

The Pi Molecular Orbitals of Benzene

The Pi Molecular Orbitals of Benzene

May 5, 2017

Today, let’s go through how to draw out the molecular orbitals of benzene. We’ll compare them with the molecular orbitals for (linear) hexatriene. The big takeaway is that from contrasting the molecular o…

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Conjugation and Resonance

Conjugation and Resonance

January 24, 2017

On Conjugation And Resonance This is the first in a series of posts that will eventually cover conjugation, pi systems, molecular orbital theory, dienes, 1,2- and 1,4- additions, the Diels Alder reaction and other per…

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Introduction To UV-Vis Spectroscopy

September 16, 2016

In today’s post we’ll discuss why most molecules are colourless, introduce the useful technique of UV-visible spectroscopy, and finally explain why molecules like chlorophyll and β-carotene are coloured.…

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