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Chapter 7 d -Metal Complexes

Chapter 7 d -Metal Complexes. 學習化學的五個基礎面向. Get acquainted with chemical language 熟習化學語言 Constitute basic concepts and modeling 建構概念與模型 Quantity and analysis 量與計算 Thinking with and through operation 操作型思考 Data bank of descriptive and applied knowledge 敘述化學與知識應用.

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Chapter 7 d -Metal Complexes

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  1. Chapter 7d-Metal Complexes

  2. 學習化學的五個基礎面向 • Get acquainted with chemical language • 熟習化學語言 • Constitute basic concepts and modeling • 建構概念與模型 • Quantity and analysis • 量與計算 • Thinking with and through operation • 操作型思考 • Data bank of descriptive and applied knowledge • 敘述化學與知識應用

  3. d-Metal Complexes Contents I Structure & Symmetry 1 Constitution 2 Representatitive ligands & Nomenclature 3 Isomerism & Chirality II Bonding & Electronic Structure 1 Crystal Field Theory 2 The Electronic Structures of Four Coordinate Complexes 3 Ligand Field Theory III Reactions of Complexes 1 Coordination Equilibria 2 Rates & Mechanisms of Ligands

  4. 1827 Discovery of Zeise Salt KPtCl3C2H4 What’s the structure of the Zeise Salt?

  5. in recognition of his work on the linkage of atoms in molecules by which he has thrown new light on earlier investigations and opened up new fields of research especially in inorganic chemistry 1913 Alfred Werner 1866 – 1919 University of Zurich Zurich, Switzerland http://nobelprize.org/chemistry/laureates/1913/ http://www.aci.unizh.ch/coord/aw.html

  6. Complex CoCl3·6NH3 CoCl3·5NH3 CoCl3·4NH3 CoCl3·4NH3 Color Yellow Purple Green violet Old Name luteo complex purpureo complex praseo complex violeo complex IUPAC Name hexaamminecobalt(III) Chloride Pentaamminechloro- cobalt(III) chloride trans-tetraammine- dichlorocobalt(III)chloride trans-tetraammine- dichlorocobalt(III) chloride

  7. Werner’s experiments for the conductivity of some coordination complexes

  8. Werner’s experiments for the conductivity of some coordination complexes

  9. polyhedron structures

  10. Ionic radius ratio is crucial (sometimes critical) to the geometry. Huheey pp.473

  11. (H3N)5Cr-O-Cr(NH3)5

  12. Linkage isomers

  13. [Mn(OH2)6]SO4

  14. [Mo(CN)8]3-

  15. Coordination number = 1

  16. Coordination number = 2

  17. Hg(CH3)2

  18. [Cu(CN)2]Cl Coordination number = 3

  19. [Cu(CN)2]Cl

  20. [Cu(CN)2]Cl

  21. [Complexes of C60

  22. Acetylactonate (acac)

  23. Coordination number = 4 A tetrahedral structure may lack of perpendicular C2 symmetry

  24. [PtCl2(NH3)2] Square Planar Cis-form trans-form

  25. [PtCl(dien)]+ Pincer ligand

  26. heme

  27. coenzymeB12

  28. chlorophyll

  29. chloroplastmodel charge transfer

  30. heme tbp sqp

  31. [Ni(CN)5]3- tbp sqp

  32. tbp sqp

  33. Hexamethyltren(CoIII)

  34. heme tbp sqp

  35. Berry pseudo-rotation tbp sqp tbp

  36. Site preference: For electron-rich center, the p-acids might prefer the equatorial sites, but this is not a rigid rule.

  37. [Re(S2C2Ph2)3]

  38. [Re(S2C2Ph2)3] Trigonal Prism and trigonal antiprism

  39. [Re(S2C2Ph2)3] Crown Ether

  40. [CoIII(edta)]–(hexadentate)

  41. Pentagonal bipyramidal

  42. [Zr(ox)4]4-

  43. [Zr(ox)4]4- From cubic to Trigonal dodecahedron And square antiprism

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