L1 Intro, Ligand Field Theory and Organometallic Introduction

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Last updated 10:28 AM on 7/9/26
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8 Terms

1
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Recap of ligand field theory, high spin/ low spin electronics from Year 1 CotE

2
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What are the frontier orbitals

The HOMO and LUMO - in the case of metal centres it is the eg and t2g orbitals

<p>The HOMO and LUMO - in the case of metal centres it is the eg and t2g orbitals</p>
3
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Difference in MO diagram for pi donors/pi acceptors

They both stabilise the t2g orbital compared to the sigma bonding (middle). The pi donors stabilise the t2g* more

<p>They both stabilise the t2g orbital compared to the sigma bonding (middle). The pi donors stabilise the t2g* more</p>
4
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Reasoning for the spectrochemical series

Tends to be mainly pi acceptor strength.

<p>Tends to be mainly pi acceptor strength.</p>
5
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What influences organometallic reactivity in general

Bond polarity - the more polar, the more reactive/ less selective.

<p>Bond polarity - the more polar, the more reactive/ less selective.</p>
6
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Organometallic reaction to oxidation and hydrolysis

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7
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How do the bond strengths between M-L change as the metal gets larger down the group

Higher bond strength as the overlap is stronger. The increased radius is outweighed

<p>Higher bond strength as the overlap is stronger. The increased radius is outweighed</p>
8
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Kinetics and reactivity of organometallics

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