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Structure and Bonding Molecular Orbital Theory Hybridization Isomerization Dipoles and Polarity.

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Presentation on theme: "Structure and Bonding Molecular Orbital Theory Hybridization Isomerization Dipoles and Polarity."— Presentation transcript:

1 Structure and Bonding Molecular Orbital Theory Hybridization Isomerization Dipoles and Polarity

2 Orbitals are Probabilities Motion of Electrons Described as Wave Functions 

3 2s Orbital Has a Node

4 Bonding in H 2 Sigma (  Bond

5 Wave Depiction of H 2 Waves reinforce

6 Molecular Orbitals Mathematical Combination of Atomic Orbitals

7 Antibonding Molecular Orbital Destructive Overlap Creates Node

8  and  * of H 2 Each Wave Function  Corresponds to a Different Energy State for an Electron

9 Energy Released When Bond Forms

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11 The p Orbital

12 p x, p y, p z

13 Ground State Electron Configurations

14 Electron Configuration of Carbon

15 Lewis Dot Structure of Methane

16 Tetrahderal Geometry

17 Methane Representations

18 In Ground State 2 bonding sites, 1 lone pair

19 sp 3 Hybridization 4 Regions of electron Density link link

20 Hybridization of 1 s and 3 p Orbitals – sp 3

21 sp 3 is Tetrahedral Geometry Methane

22 Ammonia Tetrahedral Geometry Pyramidal Shape

23 All Have the Same Geometry All Have 4 Regions of Electron Density

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25 Orbital Depiction of Ethane, C 2 H 6, the  bond

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28 Bonding Characteristics of Period 2 Elements

29 A Saturated Hydrocarbon

30 sp 2 Hybridization 3 Regions of Electron Density

31 Hybridization of 1 s and 2 p Orbitals – sp 2

32 An sp 2 Hybridized Atom

33 Ethylene CH 2 =CH 2

34 Views of Ethylene, C 2 H 4

35 Ethylene

36 Formaldehyde

37 sp Hybridization 2 Regions of Electron Density

38 The sp Orbital

39 Acetylene, C 2 H 2, 1  bond 2 perpendicular  bonds

40 Pauling Electronegativity Scale

41 Electrostatic Potential Map Cholormethane

42 Opposite polarity in CH 3 Li

43 Methanol

44 Dipole Moment (  ) is sum of the Bond Moments

45 Nonpolar Compounds Bond Moments Cancel Out

46 Dipole Moment reflects Both Resonance Structures

47 NCl 3 and BCl 3

48 Dipole Moments

49 Dipole-Dipole Interactions

50 London Dispersion Forces

51 The Effect of Branching on Boiling Point

52 Polar Solute in H 2 O

53 Polar Solute in Nonpolar Solvent

54 Nonpolar Solute in Nonpolar Solvent

55 Hydrogen Bonding


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