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Carbon-Carbon bonds: Hybridization Gina Peschel 05.05.2011 Gina Peschel Content Content Manifestation of Carbon sp -, sp - and sp- Hybridization Graphite and diamond Rolled carbon materials Rehybridization Reactivity

  1. Carbon-Carbon bonds: Hybridization Gina Peschel 05.05.2011 Gina Peschel

  2. Content Content ● Manifestation of Carbon ● sp³ -, sp² - and sp- Hybridization Graphite and diamond ● Rolled carbon materials ● Rehybridization ● Reactivity Gina Peschel

  3. Manifestation of Carbon Manifestation of Carbon a) Diamond b) Graphite c) Ionsdaleite d-f) Fullerenes (C60, C540, C70) g) Amorphous carbon h) Carbon nanotube. Wikipedia, Stichwort: Kohlenstoff Gina Peschel

  4. Bonding of molecular orbitals Bonding of molecular orbitals http://www.grandienetti.org/Teaching/Chem121/Lectures/MOTheory Gina Peschel

  5. Hybridization Hybridization Hybridization Hybridization sp³ -Hybridization sp² -Hybridization sp -Hybridization http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/hybrv18.swf Gina Peschel

  6. sp³ - Hybridization - Hybridization sp³ Energy Ground state sp³- Hybridization Excited state http : //www2.chemie.uni-erlangen.de/projects/vsc/chemie-mediziner-neu/bindung/hybridisierung.html Gina Peschel

  7. sp³ - Hybridization - Hybridization sp³ => http://groups.uni-paderbom.de/cc/lehrveranstaltungen/_aac/vorles/skript/kap_4/kap4_1/grafik/sp2-hybrid.gif Gina Peschel

  8. sp³ - Hybridization - Hybridization sp³ Diamond Wikipedia, Stichwort: Kohlenstoff http://german.alibaba.com/product-free-img/diamond-saw-blade-brick-master-33502694.html Gina Peschel

  9. Bandstructure of diamond Bandstructure of diamond Eg = 5 eV http://www.diamonds-are-forever.org.uk/diamond-structures.html, ,http://static.cosmiq.de/ ,http://rosenthal-diamonds.com Gina Peschel http://www.nextnano.de/nextnano3/tutorial/1Dtutorial_TightBinding_bulk_GaAs_GaP.htm

  10. Diamond Hardness Color Crystal structure Electr. conductivity http://german.alibaba.com/product-free-img/diamond-saw-blade-brick-master-33502694.html http://www.diamonds-are-forever.org.uk/diamond-structures.html, http://www.silverstar-consulting.de/assets/images/gluehbirne.jpg ,http://static.cosmiq.de/ ,http://rosenthal-diamonds. com Gina Peschel

  11. Hybridization Hybridization Hybridization Hybridization sp³ -Hybridization sp² -Hybridization sp -Hybridization http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/hybrv18.swf Gina Peschel

  12. sp² - Hybridization - Hybridization sp² Energy Ground state Excited state sp² - Hybridization http://www2.chemie.uni-erlangen.de/projects/vsc/chemie-mediziner-neu/bindung/hybridisierung.html http://wps.prenhall.com/wps/media/objects/724/741576/Instructor_Resources/Chapter_01/Text_Images/FG01_15.JPG Gina Peschel

  13. sp² - Hybridization - Hybridization sp² http://www.grandienetti.org/Teaching/Chem121/Lectures/MOTheory Wikipedia, Stichwort: Kohlenstoff Gina Peschel

  14. sp² - Hybridization - Hybridization sp² Graphite Wikipedia, Stichwort: Hybridisierung http://www.allmystery.de/dateien/uh60967,1273172966,bleistift-6.png Gina Peschel

  15. Bandstructure of graphene Bandstructure of graphene S.Reich, C.Thomson, J. Maultzsch: Carbon Nanotubes, Basic concepts and Physical Properties, 2004, Wiley-VCH http://www.physics.leidenuniv.nl/institute/news/image126.jpg http://www.silverstar-consulting.de/assets/images/gluehbirne.jpg Gina Peschel http://gwydir.demon.co.uk/jo/minerals/pix/graphite1.jpg

  16. Graphite Hardness Color Crystal structure Electr. conductivity http://www.allmystery.de/dateien/uh60967,1273172966,bleistift-6.png http://www.silverstar-consulting.de/assets/images/gluehbirne.jpg http://gwydir.demon.co.uk/jo/minerals/pix/graphite1.jpg ,http://www.karakal.cz/web/index.php?page=tech Gina Peschel

  17. Diamond and graphite Hardness Color Crystal structure Electr. conductivity http://german.alibaba.com/product-free-img/diamond-saw-blade-brick-master-33502694.html http://www.allmystery.de/dateien/uh60967,1273172966,bleistift-6.png http://www.diamonds-are-forever.org.uk/diamond-structures.html, http://www.silverstar-consulting.de/assets/images/gluehbirne.jpg Gina Peschel http://gwydir.demon.co.uk/jo/minerals/pix/graphite1.jpg ,http://www.karakal.cz/web/index.php?page=tech ,http://rosenthal-diamonds. com

  18. Hybridization Hybridization Hybridization Hybridization sp³ -Hybridization sp² -Hybridization sp -Hybridization http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/hybrv18.swf Gina Peschel

  19. sp - Hybridization - Hybridization sp http://www.grandienetti.org/Teaching/Chem121/Lectures/MOTheory http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/hybrv18.swf Gina Peschel

  20. Hybridization - summary Hybridization - summary http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/hybrv18.swf Gina Peschel

  21. Curved carbon materials - Carbon nanotubes Curved carbon materials - Carbon nanotubes Wikipedia, Stichwort: Carbon Nanotubes Gina Peschel

  22. Curved carbon materials - Rehybridization Curved carbon materials - Rehybridization b) C20 a) Graphene δ = a/(2 √3 d ) - Tilting angles of π-orbitals - Wavefunction of π- and σ- orbitals - Degree of hybridization rs1.physik.uni-dortmund.de/sem/c60/kap5.htm Ouyang Yu y , Peng Jing-Cui ) , Wang Hui, Peng Zhi-Hua, 2008 Chinese Phys. B 17 3123 Gina Peschel

  23. Curved carbon materials - Rehybridization Curved carbon materials - Rehybridization Graphene a) Antibinding π* orbital (conduction band) b) Binding π orbital (valence band) Carbon nanotube Rehybridization orbital S.Reich, C.Thomson, J. Maultzsch: Carbon Nanotubes, Basic concepts and Physical Properties, 2004, Wiley-VCH Gina Peschel

  24. Curved carbon materials - Reactivity Curved carbon materials - Reactivity Reactivity Reactivity Gina Peschel

  25. Curved carbon materials Curved carbon materials - Reactivity Curved carbon materials Curved carbon materials - Reactivity S. Niyogi et al., Acc. Chem. Res. 2002, 35, 1105-1113 Gina Peschel

  26. Curved carbon materials - Reactivity Curved carbon materials - Reactivity S. Park et al., Nano letters 2003, Vol.3, No.9 1273-1277 Gina Peschel

  27. Curved carbon materials - Reactivity Curved carbon materials - Reactivity http://www.ifkp.tu-berlin.de/menue/arbeitsgruppen/ag_thomsen http://nepachem.blogspot.com/2010/12/short-introduction-on-carbon-nano-tube.html Gina Peschel

  28. Curved carbon materials - Fullerene Curved carbon materials - Fullerene http://www.chemie.uni-erlangen.de/hirsch/ Gina Peschel

  29. Summary Summary Gina Peschel

  30. Thank you for your attention! Gina Peschel

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