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24: Organometallic chemistry- d-block elements

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Feb 3, 2021
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- 23.7A: Selenium and Tellurium
- 24.1: Introduction

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The study of Organometallic chemistry has been important in the growth of chemistry ever since the first compound was synthesized in 1827. Organometallic compounds can be defined as a compound that contains at least one metal-carbon bond, not including cyanide. Organometallic compounds are used in numerous reactions, including but not limited to, the Grignard reaction, and the Simmons-Smith reaction.

24.1: Introduction
Transition metal σ−bonded organometallic compounds like the metal alkyls, aryls and the hydrides derivatives are by for the most common organometallic species encountered in the world of chemistry. Yet, these compounds remained elusive till as late as the 1960s and the 1970s.
24.2: Common Types of Ligand - Bonding and Spectroscopy
24.3: The 18-electron Rule
The 18-electron rule is used primarily for predicting and rationalizing formulae for stable metal complexes, especially organometallic compounds. The rule is based on the fact that the valence shells of transition metals consist of nine valence orbitals (one s orbital, three p orbitals and five d orbitals), which collectively can accommodate 18 electrons as either bonding or nonbonding electron pairs.
24.4: Metal Carbonyls - Synthesis, Physical Properties, and Structure
- 24.4A: Synthesis and Physical Properties
- 24.4B: Structures
24.5: The Isolobal Principle and Application of Wade's Rules
Wade’s rules are used to rationalize the shape of borane clusters by calculating the total number of skeletal electron pairs (SEP) available for cluster bonding. In using Wade’s rules it is key to understand structural relationship of various boranes.
24.6: Total Valence Electron Counts in d-block Organometallic Clusters
24.7: Types of Organometallic Reactions
24.8: Metal Carbonyls - Selected Reactions
24.9: Metal Carbonyl Hydrides and Halides
24.10: Alkyl, Aryl, Alkene, and Alkyne Complexes
24.11: Allyl and Buta-1,3-diene Complexes
- 24.11A: Allyl and Related Ligands
- 24.11B: Buta-1,3-diene and Related Ligands
24.12: Carbene and Carbyne Complexes
24.13: Complexes Containing $\eta^5$ -cyclopentadienyl Ligands
- 24.13A: Ferrocene and other Metallocenes
- 24.13B: ( $\eta^5-Cp)_2Fe_2(CO)_4$ and Derivatives
24.14: Complexes Containing $\eta^6$ - and $\eta^7$ -ligands
- 24.14A: $\eta^6$ -Arene Ligands
- 24.14B: Cycloheptatriene and Derived Ligands
24.15: Complexes Containing the $\eta^4$ -cyclobutadiene Ligand
24.16: Transition Metal Complexes

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