1. Simple Ingestion Mechanism Small Fullerenes form and ingest others carbon species (linear, rings etc) to form larger fullerenes C 60 is the first stable species and C 70 the next – they are partial cul-de-sacs Some further ingestion occurs to form larger Fullerenes

2. Exxon Data Cox et al JACS 110 1588 (1988) Sussex NNC Assignment

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8. Laser vapourisation mass spectrum McElvaney et al 1991 C 18 + C 36 + C 50 + C 60 + C 70 + C 22 O 2 + C 22 O 4 + 200 300400500 600 7008009001000 C 54 + C 72 + *

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10. Laser vapourisation mass spectrum McElvaney et al 1991 C 18 C 18 + C 36 + C 50 + C 60 + C 70 + C 22 O 2 + C 22 O 4 + 200 300400500 600 7008009001000 C 54 + C 72 + * n x 18 = 36, 54, 72, 90, 108 C atoms

11. 4x6 = 24 C atoms 24, 48, 72, 96 C 36 + C 60 + C 70 + C 24 + 200 3004005006007008009001000 C 48 + C 72 + 100 C 82 + C 21 + C 50 +

12. 5x6 C atoms in ring C 21 + C 60 + 500 1000 C 70 + 200025001500

13. 18 C atoms

14. | DOWNLOAD | CITATION/STABLE URL | TABLE OF CONT ENTS DOWNLOAD CITATION/STABLE URL TABLE OF CONT ENTS PRINT Your access to JSTOR is provided by Florida State University Libraries EXIT JSTOR SAVE CITATION SAVE CITATION | VIEW SAVED CITATIONS You have saved 0 citations VIEW SAVED CITATIONS p. 1595 of 1594-1596 (2nd of 3 pages) Select Another Page Previous Item in Journal | Next Item in JournalSelect Another Page Previous Item in JournalNext Item in Journal SAVE CITATION SAVE CITATION | VIEW SAVED CITATIONS You have saved 0 citations VIEW SAVED CITATIONS Cyclocarbon Coalescence: Mechanisms for Tailor-Made Fullerene Formation, by Stephen W. McElvany; Mark M. Ross; Nancy S. Goroff; Francois Diederich Science © 1993 American Association for the Advancement of ScienceAmerican Association for the Advancement of Science PRINT PRINT | DOWNLOAD | CITATION/STABLE URL | TABLE OF C ONTENTS JSTOR HOME | SEARCH | BROWSE | TIPS | SET PREFERENCES | ABOUT JSTOR | CONTACT JSTOR | TERMS & CONDITIONS DOWNLOAD CITATION/STABLE URL TABLE OF C ONTENTS JSTOR HOME SEARCH BROWSE TIPS SET PREFERENCES ABOUT JSTOR CONTACT JSTOR TERMS & CONDITIONS ©2000-2004 JSTOR 70+18 70+18+18 70+18+18+18

15. C 88 is strong ???

16. 4C 18  C 72 * C 88 is strong ???

17. 4C 18  C 72 *  C 70 - C 2 C 88 is strong ???

18. 4C 18  C 72 *  C 70  C 88 C 18 - C 2 C 88 is strong ???

19. | DOWNLOAD | CITATION/STABLE URL | TABLE OF CONT ENTS DOWNLOAD CITATION/STABLE URL TABLE OF CONT ENTS PRINT Your access to JSTOR is provided by Florida State University Libraries EXIT JSTOR SAVE CITATION SAVE CITATION | VIEW SAVED CITATIONS You have saved 0 citations VIEW SAVED CITATIONS p. 1595 of 1594-1596 (2nd of 3 pages) Select Another Page Previous Item in Journal | Next Item in JournalSelect Another Page Previous Item in JournalNext Item in Journal SAVE CITATION SAVE CITATION | VIEW SAVED CITATIONS You have saved 0 citations VIEW SAVED CITATIONS Cyclocarbon Coalescence: Mechanisms for Tailor-Made Fullerene Formation, by Stephen W. McElvany; Mark M. Ross; Nancy S. Goroff; Francois Diederich Science © 1993 American Association for the Advancement of ScienceAmerican Association for the Advancement of Science PRINT PRINT | DOWNLOAD | CITATION/STABLE URL | TABLE OF C ONTENTS JSTOR HOME | SEARCH | BROWSE | TIPS | SET PREFERENCES | ABOUT JSTOR | CONTACT JSTOR | TERMS & CONDITIONS DOWNLOAD CITATION/STABLE URL TABLE OF C ONTENTS JSTOR HOME SEARCH BROWSE TIPS SET PREFERENCES ABOUT JSTOR CONTACT JSTOR TERMS & CONDITIONS ©2000-2004 JSTOR 70+24

20. | DOWNLOAD | CITATION/STABLE URL | TABLE OF CONT ENTS DOWNLOAD CITATION/STABLE URL TABLE OF CONT ENTS PRINT Your access to JSTOR is provided by Florida State University Libraries EXIT JSTOR SAVE CITATION SAVE CITATION | VIEW SAVED CITATIONS You have saved 0 citations VIEW SAVED CITATIONS p. 1595 of 1594-1596 (2nd of 3 pages) Select Another Page Previous Item in Journal | Next Item in JournalSelect Another Page Previous Item in JournalNext Item in Journal SAVE CITATION SAVE CITATION | VIEW SAVED CITATIONS You have saved 0 citations VIEW SAVED CITATIONS Cyclocarbon Coalescence: Mechanisms for Tailor-Made Fullerene Formation, by Stephen W. McElvany; Mark M. Ross; Nancy S. Goroff; Francois Diederich Science © 1993 American Association for the Advancement of ScienceAmerican Association for the Advancement of Science PRINT PRINT | DOWNLOAD | CITATION/STABLE URL | TABLE OF C ONTENTS JSTOR HOME | SEARCH | BROWSE | TIPS | SET PREFERENCES | ABOUT JSTOR | CONTACT JSTOR | TERMS & CONDITIONS DOWNLOAD CITATION/STABLE URL TABLE OF C ONTENTS JSTOR HOME SEARCH BROWSE TIPS SET PREFERENCES ABOUT JSTOR CONTACT JSTOR TERMS & CONDITIONS ©2000-2004 JSTOR

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30. C 132 + C 60 + 500 1000 C 70 + 200025001500 C 160 + C 214 + C 264 + C 336 +

31. | DOWNLOAD | CITATION/STABLE URL | TABLE OF CONT ENTS DOWNLOAD CITATION/STABLE URL TABLE OF CONT ENTS PRINT Your access to JSTOR is provided by Florida State University Libraries EXIT JSTOR SAVE CITATION SAVE CITATION | VIEW SAVED CITATIONS You have saved 0 citations VIEW SAVED CITATIONS p. 1594 of 1594-1596 (1st of 3 pages) Select Another Page Previous Item in Journal | Next Item in JournalSelect Another Page Previous Item in JournalNext Item in Journal Cyclocarbon Coalescence: Mechanisms for Tailor-Made Fullerene Formation, by Stephen W. McElvany; Mark M. Ross; Nancy S. Goroff; Francois Diederich Science © 1993 American Association for the Advancement of ScienceAmerican Association for the Advancement of Science PRINT PRINT | DOWNLOAD | CITATION/STABLE URL | TABLE OF C ONTENTS JSTOR HOME | SEARCH | BROWSE | TIPS | SET PREFERENCES | ABOUT JSTOR | CONTACT JSTOR | TERMS & CONDITIONS DOWNLOAD CITATION/STABLE URL TABLE OF C ONTENTS JSTOR HOME SEARCH BROWSE TIPS SET PREFERENCES ABOUT JSTOR CONTACT JSTOR TERMS & CONDITIONS ©2000-2004 JSTOR