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Oxidation Numbers and Oxidation States

  • Book
  • © 1969

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Authors:
  1. Chr. Klixbüll Jørgensen

    1. Cyanamid European Research Institute, Cologny, Geneva, Switzerland

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Table of contents (12 chapters)

  1. Front Matter

    Pages i-vii
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  2. Introduction

    • Chr. Klixbüll Jørgensen
    Pages 1-5

  3. Formal Oxidation Numbers

    • Chr. Klixbüll Jørgensen
    Pages 6-13

  4. Configurations in Atomic Spectroscopy

    • Chr. Klixbüll Jørgensen
    Pages 14-38

  5. Characteristics of Transition Group Ions

    • Chr. Klixbüll Jørgensen
    Pages 39-71

  6. Internal Transitions in Partly Filled Shells

    • Chr. Klixbüll Jørgensen
    Pages 72-119

  7. Inter-Shell Transitions

    • Chr. Klixbüll Jørgensen
    Pages 120-140

  8. Electron Transfer Spectra and Collectively Oxidized Ligands

    • Chr. Klixbüll Jørgensen
    Pages 141-186

  9. Oxidation States in Metals and Black Semi-Conductors

    • Chr. Klixbüll Jørgensen
    Pages 187-202

  10. Closed-Shell Systems, Hydrides and Back-Bonding

    • Chr. Klixbüll Jørgensen
    Pages 203-233

  11. Homopolar Bonds and Catenation

    • Chr. Klixbüll Jørgensen
    Pages 234-244

  12. Quanticule Oxidation States

    • Chr. Klixbüll Jørgensen
    Pages 245-253

  13. Taxological Quantum Chemistry

    • Chr. Klixbüll Jørgensen
    Pages 254-269

  14. Back Matter

    Pages 271-291
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Keywords

About this book

The correlation of spectroscopic and chemical investigations in recent years has been highly beneficial of many reasons. Around 1950, no valid explanation was available of the colours of compounds of the five tran­ sition groups. Later, it was possible to identify the excited levels with those expected for an electron configuration with adefinite number of electrons in the partly filled shell. I t is not generally recognized that this is equivalent to determining spectroscopic oxidation states related to the preponderant electron configuration and not to estimates of the fractional atomic charges. This brings in an entirely different type of description than the formal oxidation numbers used for characterizing compounds and reaction schemes. However, it must be realized that collectively oxidized ligands, formation of cluster-complexes and catenation may prevent the oxidation state from being well-defined. The writer would like to express his gratitude to many, but first of all to DR. CLAUS SCHÄFFER, University of Copenhagen, who is the most efficient group-theoretical engineer known to the writer; his comments and discussions have been highly valuable. The writer's colleague, Pro­ fessor FAUSTO CALDERAZZO (now going to the University of Pisa) has been most helpful in metallo-organic questions. Thanks are also due to Professors E. RANcKE-MADsEN and K. A. JENSEN for correspondence and conversations about formal oxidation numbers.

Authors and Affiliations

  • Cyanamid European Research Institute, Cologny, Geneva, Switzerland

    Chr. Klixbüll Jørgensen

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