How Long to Read The Effects of Ligand Electronics on the Properties and Reactivity of Late Transition Metal Complexes

How Long Does it Take to Read The Effects of Ligand Electronics on the Properties and Reactivity of Late Transition Metal Complexes?

It takes the average reader 3 hours and 55 minutes to read The Effects of Ligand Electronics on the Properties and Reactivity of Late Transition Metal Complexes by David Shaffer

Assuming a reading speed of 250 words per minute. Learn more

Description

The overarching theme of the work herein is the investigation of the effects of ligand electronics on the electronic structure and reactivity of non-innocent late transition metal complexes. Chapter 2 describes the electronic structure of (nacnacR[supercript]) Rh II[superscript] (phdisq) (nacnacR[superscript] = CH[C(R)(N-i [superscript] Pr2 C6 H3)]2, -[superscript], R = CH3, CF3; phdisq = 9,10-phenanthrenediiminosemiquinone *[superscript]-[superscript]), which incorporates both a reducible diimine ligand and a reducing [beta]-diketiminate ligand. The complex is assigned as having highly delocalized, closed shell frontier orbitals. One-electron oxidation of (nacnacCH3[superscript]) RhII[superscript] (phdisq) produces a delocalized ligand-based radical, while one-electron reduction gives (nacnac CH3[superscript]) RhII[superscript]) (phda). Chapter 3 studies the oxidative addition of halogen substrates to (nacnacR[superscript]) Rh(phdisq). Chlorine and bromine are observed to add in a normal trans fashion, but the addition of iodine is found to be dependent on the electronic properties of the ligands, forming either an [eta]1 -I2 complex or the oxidative addition product. Chapter 4 reports the reactions of (nacnacCH3[superscript])Rh(phdisq) with haloacids. The addition of HCl quickly produces the product [(nacnacH[superscript]CH3[superscript] RhCl2 (phdaH2)]+[superscript] (phdaH2 = 9,10-phenanthrenediamine), which is the result of protonation of the (nacnacCH3[superscript]) ligand, oxidative addition to the rhodium center, and hydrogenation of the phdi ligand. This reaction is reversible, and the deprotonated (nacnacCH3[superscript])RhCl2 (phdaH2) is also isolable but undergoes slow disproportionation. All phdaH2 complexes are dehydrogenated by oxygen to give the corresponding phdi products. Chapter 5 examines the differences between (nacnacCH3[superscript])Co(phdisq) and (nacnacCH3[superscript])Rh(phdisq). The solid state structures are completely analogous, suggesting analogous electronic ground states. Differences in the solution spectroscopic characterization between the rhodium and cobalt complexes suggest the existence of a thermally accessible triplet state for (nacnacCH3[superscript])Co(phdisq). Chapter 6 addresses the question of how the introduction of a reducible ligand will affect the electrocatalytic potential of a catalyst for proton reduction. The complexes (adi)M(bdt) (M = Ni, Co; adi = N-N'-bis(2,4,6-trimethylphenyl)-acenapthene-1,2-diimine, bdt = 1,2-benzenedithiolate2-[superscript] are described, and the cobalt complex is evaluated as an electrocatalyst for H+[superscript] reduction. Results indicate that the [eta]-acidic nature of the adi ligand makes the cobalt center less basic, thus reducing its catalytic efficiency. Chapter 7 compares tungsten complexes of the well-known redox active bis(3,5-di- tert- butyl-phenolate)amido3-[superscript] ligand (ONO3-[superscript]) and the novel bis(4-methyl-thiophenolate)amido3-[superscript] (SNS3-[superscript]) ligand. While W(ONO)2 is found to be an `innocent' tungsten(VI) complex, W(SNS)2 is described as tungsten(IV) with partially oxidized (SNS) ligands. W(SNS)2 has a highly distorted geometry that is ascribed to [eta]-[eta] interactions in the solid state.

How long is The Effects of Ligand Electronics on the Properties and Reactivity of Late Transition Metal Complexes?

The Effects of Ligand Electronics on the Properties and Reactivity of Late Transition Metal Complexes by David Shaffer is 233 pages long, and a total of 58,949 words.

This makes it 79% the length of the average book. It also has 72% more words than the average book.

How Long Does it Take to Read The Effects of Ligand Electronics on the Properties and Reactivity of Late Transition Metal Complexes Aloud?

The average oral reading speed is 183 words per minute. This means it takes 5 hours and 22 minutes to read The Effects of Ligand Electronics on the Properties and Reactivity of Late Transition Metal Complexes aloud.

What Reading Level is The Effects of Ligand Electronics on the Properties and Reactivity of Late Transition Metal Complexes?

The Effects of Ligand Electronics on the Properties and Reactivity of Late Transition Metal Complexes is suitable for students ages 12 and up.

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