1. Structure and Bonding in Organic ChemistryElectron ConfigurationsLewis Dot StructuresHybridizationOrbital depictionsEdited by: Dr. Nadeem Sadiq SheikhDepartment of Chemistry, College of ScienceKing Faisal University, Saudi Arabia

https://sites.google.com/site/243chem

Organic Chemists Periodic Table

Molecular Model of Aspirin

Nucleus is a Tiny Fraction of the Volume of an Atom

Bonding in H2Sigma (s) Bond

Electron Configurations

Ground State Electron Configurations

px, py, pz

Electron Configuration of Carbon

Lewis Dot Structure of Methane

All Have the Same GeometryAll Have 4 Regions of Electron Density

Tetrahderal Geometry

Methane Representations

In Ground State2 bonding sites, 1 lone pair

sp3 Hybridization 4 Regions of electron Density link

Hybridization of 1 s and 3 p Orbitals sp3

sp3 is Tetrahedral GeometryMethane

Ammonia Tetrahedral GeometryPyramidal Shape

Orbital Depiction of Ethane, C2H6 , the s bond

Depictions of 2-Methylbutane

Bonding Characteristics of Period 2 Elements

Saturated with Hydrogen

A Model of a Saturated Hydrocarbon

sp2 Hybridization3 Regions of Electron Density

Hybridization of 1 s and 2 p Orbitals sp2

An sp2 Hybridized Atom

Ethylene CH2=CH2

Views of Ethylene, C2H4

Ethylene

Formaldehyde

sp Hybridization2 Regions of Electron Density

The sp Orbital

Acetylene, C2H2, 1 s bond 2 perpendicular p bonds

Drawing Structures

Octane Representations

Condensed Formulas

Line-Angle Structures are Often Used as a Short-hand

Line-Angle Structures

Line-Angle structure Superimposed on Lewis Structure

Double Bonds are Shown

For Cyclic Structures, Draw the Corresponding Polygon

Drawing Clear Structures

Benzene can be drawn as one of two resonance structures

Some Line-Angle Structures