Next Fri: Jan 18 Fixed slides - PowerPoint PPT Presentation

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Next Fri: Jan 18 Fixed slides

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  1. Next Fri: Jan 18 Fixed slides • Original ppt is www posted • Your fixed slides due to me by email by Jan 17

  2. Fri: Jan 25 Two Minutes, Two slides • Your talk will consist of two PowerPoint slides. • You must have artwork or a figure on each slide and the artwork must be relevant to the topic being discussed, not window dressing. • Your brief presentation will discuss why the concept is important, and it will give one practical application. • Keep text to a minimum in your slides—bulleted points at most. Imagine how YOU would feel sitting in a seminar with many slides full of detailed text. Your slides due to me by email by Jan 24

  3. An Outline? • Animations • Pasting figures • Using Color • Text! • Molecular orientations

  4. N N M N N H B N N Animations • molecular motion persists down to -85 oC (Tp*ZnBH4) BH4 (in solution)


  5. Animations • molecular motion • reactions (wipe) • reactants products • animations between slides

  6. Ammine-borane H H H H H H H H C C C C H H H H ethane(g) He B C N O F Ne Al Si P S Cl Ar

  7. Ammine-borane H H H H H H H H N N B B H H H H ammine-borane(s) + + - - He B C N O F Ne Al Si P S Cl Ar THF NaBH4 + NH4Cl H2 + BH3NH3 + NaCl Ramachandran, P. V.; Gagare, P. D. Inorg. Chem. 2007, 46, 7810-7817.

  8. Animations • molecular motion • reactions (wipe) • animations between slides • progressions in busy slides

  9. h , i j , k P E G N H f , g N l N j , k O f , g N h , i N N K B H N N d , e d , e a , b a , b c …but will it… • …bind nickel(II) effectively, • and then… • control nickel(II)-cysteine properties, • select for His6-proteins, • facilitate reversible nickel(II)-NH3, • and stabilize nickel(II)-BH4?

  10. Scorpionate attached h , i j , k P E G N H f , g N l N j , k O f , g N h , i N N K B H N N d , e d , e a , b a , b c

  11. h , i j , k P E G N H f , g N l N j , k O f , g N h , i N N K B H N N d , e d , e a , b a , b c …but will it… • …bind nickel(II) effectively, • and then… • control nickel(II)-cysteine properties, • select for His6-proteins, • facilitate reversible nickel(II)-NH3, • and stabilize nickel(II)-BH4?

  12. An Outline? • Animations • Pasting figures • Using Color • Text! • Molecular orientations

  13. Pasting Figures • transparent background • device independent bitmap

  14. Using Color • be judicious, maximize effect • for specific emphasis

  15. N H N N H N B B N N N N S o l v e n t N N i N C H N i S N 3 N S H N H N 2 2 C O E t C O E t 2 2 O(CH3)3 + NEt3 H3C-NEt3 +

  16. An Outline? • Animations • Pasting figures • Using Color • Text! • Molecular orientations

  17. H- + H+H2 Using Color • be judicious, max. effect • for specific emphasis • to connect ideas

  18. Using Color – colored backgrounds Better off with light fonts pasting figures on dark backgrounds

  19. H B H H H M g H N H 3 B N H 3 H H H Mg(BH4)2(NH3)2(s) m.p. 94 oC • N-H…H and B-H…H parameters comparable to BH3NH3(s) • endothermic H2/NH3 release vs BH3NH3(s) Soloveichik, G.; Her, J. –H.; Stephens, P. W.; Gao, Y.; Rijssenbeek, J.; Andrus, M.; Zhao, J. -C.Inorg. Chem.2008, 47, 4290-4298. original report: Konoplev, V. N.; Silina, T. A. Zh. Neorg. Khim. 1985, 30 (5), 1125.

  20. TEXT! Click to add subtitle.

  21. TEXT! • short, sweet, bulleted lists • A complete talk • background, results, conclusions • Why important? Problems addressed? • novel techniques described • clear spectra, concise tables • effective transitions Logical flow: Great science poorly presented is diminished. A complete talk usually begins with background, leading into the presentation of pertinent results, and followed by the important conclusions that can be drawn from those results. Background information must give context for the work. Why is this work important to the chemical community or the greater world? What problem(s) is this work addressing? It should describe any experimental techniques or methods that might not be common to the experiences of a typical chemist or your particular audience. Pertinent results should be presented in an organized manner, including clear spectra or summary tables. A running outline is one way to maintain organization during a talk. Plan smooth transitions between a slide just presented and the next one about to appear.

  22. TEXT! • short, sweet, bulleted lists • avoid reading long slides • concise tables

  23. X N H 3 N N H H 3 3 M N N H H 3 3 X N H 3 mass % H kg H/L Ca(NH3)8Cl2 9.8 0.116 Mn(NH3)6Cl2 8.0 0.112 Mg(NH3)6Cl2 9.2 0.115 Ni(NH3)6Cl2 7.8 0.119 increasing Tdes • rpellet 95 – 99% of crystalline • nanopores facilitate NH3 transport • heat transport controls NH3 loss Sørensen, R. Z.; Hummelshøj, J. S.; Klerke, A.; Reves, J. B.; Vegge, T.; Nørskov, J. K. Christensen, C. H. J. Am. Chem. Soc.2008, 130, 8660–8668. Christensen, C. H.; Sørensen, R. Z.; Johannessen, T. ; Quaade, U. J.; Honkala, K.; Elmøe, T. D.; Køhler, R.; Nørskov, J. K. J. Mater. Chem., 2005, 15, 4106 – 4108.

  24. Orientations of molecules + +

  25. Orientations of molecules + minimize changes from one slide to the next easier to follow +