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Nomenclature for the C60-Ih and C70-D5h(6) Fullerenes (IUPAC Recommendations 2002)

Published/Copyright: September 1, 2009
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Chemistry International -- Newsmagazine for IUPAC
From the journal Chemistry International -- Newsmagazine for IUPAC Volume 24 Issue 5

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Highlights from Pure and Applied Chemistry

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Nomenclature for the C60-Ih and C70-D5h(6) Fullerenes (IUPAC Recommendations 2002)

by W. H. Powell, F. Cozzi, G. P. Moss, C. Thilgen, R. J.-R. Hwu, and A. Yerin

Pure and Applied Chemistry, Vol. 74, No. 4, pp. 629- 695 (2002)

Fullerenes are a new allotrope of carbon characterized by a closed-cage structure consisting of an even number of three-coordinate carbon atoms devoid of hydrogen atoms. This class was originally limited to closed-cage structures with 12 isolated five-member rings, the rest being six-member rings.

Although it was recognized that existing organic ring nomenclature could be used for these structures, the resulting names would be extremely unwieldy and inconvenient for use. Incorrect von Baeyer ring names have been published. At the same time it was also recognized that established organic nomenclature principles could be used, or adapted, to provide a consistent nomenclature for this unique class of compounds based on the class name fullerene. However, it was necessary to develop an entirely new method for uniquely numbering closed-cage systems.

This paper describes IUPAC recommendations for naming and uniquely numbering the two most common fullerenes with isolated pentagons, the icosahedral C60 fullerene and a D5h-C70 fullerene.

(C60-Ih)[5,6]fullerene

(C60-Ih)[5,6]fullerene

(C70-D5h(6))[5,6]fullerene

(C70-D5h(6))[5,6]fullerene

It also describes recommendations for adapting organic nomenclature principles for naming fullerenes with nonclosed-cage structures, heterofullerenes, derivatives formed by substitution of hydrofullerenes, and the fusion of organic rings or ring systems to the fullerene cage. Finally, the paper suggests methods for describing structures consisting of two or more fullerene units and for denoting configurations of chiral fullerenes and their derivatives.

www.iupac.org/publications/pac/2002/7404/7404x0629.html

Published Online: 2009-09-01
Published in Print: 2002-09

© 2014 by Walter de Gruyter GmbH & Co.

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  1. Contents
  2. Balancing Sources and Uses
  3. A Glance Into the Future
  4. The Special Topics Project
  5. Accomplishments During the Past Decade and Relationships With Industry
  6. Candid Chemistry
  7. IUPAC Representative’s Report on the 34th Codex Committee Session
  8. Young Chemists to the 39th IUPAC Congress, Ottawa, August 2003
  9. Chemical Education International
  10. The “Orange Book” Online
  11. IUPAC–Empfehlungen
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  14. Information Essential for Characterizing a Flow-Based Analytical System (IUPAC Technical Report)
  15. Sulfate-Sensing Electrodes. The Lead- Amalgam/Lead-Sulfate Electrode (IUPAC Technical Report)
  16. Future Requirements In the Characterization of Continuous Fiber Reinforced Polymeric Composites (IUPAC Technical Report)
  17. Nomenclature for the C60-Ih and C70-D5h(6) Fullerenes (IUPAC Recommendations 2002)
  18. Molecular Basis of Biodiversity, Conservation, and Sustained Innovative Utilization (IUPAC Technical Report)
  19. Naming of New Elements (IUPAC Recommendations 2002)
  20. “Heavy Metals”–A Meaningless Term? (IUPAC Technical Report)
  21. Phane Nomenclature. Part II. Modification of the Degree of Hydrogenation and Substitution Derivatives of Phane Parent Hydrides (IUPAC Recommendations 2002)
  22. Harmonized Guidelines for Single- Laboratory Validation of Methods of Analysis (IUPAC Technical Report)
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  24. Studies on Biodegradable Poly[hexano-6- lactone] Fibers. Part 3. Enzymatic Degradation in Vitro (IUPAC Technical Report)
  25. Free-Radical Polymerization: Kinetics and Mechanism
  26. C2+ Nitroalkanes With Water or Organic Solvents: Binary and Multicomponent Systems
  27. Advanced Organic Chemistry Part A: Structure and Mechanisms Part B: Reactions and Synthesis
  28. Modern Coordination Chemistry–The Legacy of Joseph Chatt
  29. Biodiversity
  30. Macromolecules and Materials Science
  31. Nuclear Analytical Techniques in the Life Sciences
  32. Prohibiting Chemical Weapons
  33. Rejuvenating the Learning and Teaching of Chemistry 30 November–4 December 2002, Melbourne, Australia
  34. 4th Florida Heterocyclic Conference 10–12 March 2003, Gainesville, Florida, USA
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https://doi.org/10.1515/ci.2002.24.5.22b

Articles in the same Issue

  1. Contents
  2. Balancing Sources and Uses
  3. A Glance Into the Future
  4. The Special Topics Project
  5. Accomplishments During the Past Decade and Relationships With Industry
  6. Candid Chemistry
  7. IUPAC Representative’s Report on the 34th Codex Committee Session
  8. Young Chemists to the 39th IUPAC Congress, Ottawa, August 2003
  9. Chemical Education International
  10. The “Orange Book” Online
  11. IUPAC–Empfehlungen
  12. Chemical Actinometry
  13. Conducting Polymer Colloids and Nanofilms
  14. Information Essential for Characterizing a Flow-Based Analytical System (IUPAC Technical Report)
  15. Sulfate-Sensing Electrodes. The Lead- Amalgam/Lead-Sulfate Electrode (IUPAC Technical Report)
  16. Future Requirements In the Characterization of Continuous Fiber Reinforced Polymeric Composites (IUPAC Technical Report)
  17. Nomenclature for the C60-Ih and C70-D5h(6) Fullerenes (IUPAC Recommendations 2002)
  18. Molecular Basis of Biodiversity, Conservation, and Sustained Innovative Utilization (IUPAC Technical Report)
  19. Naming of New Elements (IUPAC Recommendations 2002)
  20. “Heavy Metals”–A Meaningless Term? (IUPAC Technical Report)
  21. Phane Nomenclature. Part II. Modification of the Degree of Hydrogenation and Substitution Derivatives of Phane Parent Hydrides (IUPAC Recommendations 2002)
  22. Harmonized Guidelines for Single- Laboratory Validation of Methods of Analysis (IUPAC Technical Report)
  23. Polyaniline. Preparation of a Conducting Polymer (IUPAC Technical Report)
  24. Studies on Biodegradable Poly[hexano-6- lactone] Fibers. Part 3. Enzymatic Degradation in Vitro (IUPAC Technical Report)
  25. Free-Radical Polymerization: Kinetics and Mechanism
  26. C2+ Nitroalkanes With Water or Organic Solvents: Binary and Multicomponent Systems
  27. Advanced Organic Chemistry Part A: Structure and Mechanisms Part B: Reactions and Synthesis
  28. Modern Coordination Chemistry–The Legacy of Joseph Chatt
  29. Biodiversity
  30. Macromolecules and Materials Science
  31. Nuclear Analytical Techniques in the Life Sciences
  32. Prohibiting Chemical Weapons
  33. Rejuvenating the Learning and Teaching of Chemistry 30 November–4 December 2002, Melbourne, Australia
  34. 4th Florida Heterocyclic Conference 10–12 March 2003, Gainesville, Florida, USA
  35. 12th IUPAC International Symposium on Organo-Metallic Chemistry (OMCOS-12) 6–10 July 2003, Toronto, Canada
  36. Calendar of IUPAC Sponsored Conferences
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