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Ian R Gould  > igould@asu.edu CHM 234 : General Organic Chemistry II  > Spring 2012
 CHM 234/238
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Organic molecules have 3D shapes that are difficult to represent on paper. Also, some concepts are difficult to describe in words or on paper. For these reasons, several small "visualization" movies have been prepared to help you with your understanding.

most of these visualizations are in the form of QUICKTIME MOVIES  
Bonding & Structure I (Basics)
Isomers (or lack of!) 
Isomerization and Single Bonds 
Isomerism and Double Bonds 
Bond Rotation with a Model 
Bonding & Structure II (Better Models)
Tetrahedral Geometry 
Trigonal Planar Geometry 
Linear Geometry 
Pi-Bonds and Anti-Bonds 
Pi-Orbitals in Triple Bonds 
Rotation and Single Bonds 
Isomerism and Double Bonds: Breaking the pi-Bond 
Alkanes (3D Structure)
Steric versus Repulsion Effects in Alkane Conformations 
Newman Projection to 3-D or Sawhorse Structure 
Chair-chair interconversion for cis-1,4-dimethylcyclohexane (mpg file, used with kind permission of Professor Stefan Immel, Technical University of Darmstadt)
Cyclohexane 
Building Cyclohexane Using a Model Kit 
Substituted Cyclohexane 
Chair Interconversion Misconceptions 
Organic Spectroscopy
Understanding the Factors that Control Bond Vibrations (Infrared simulation in html and Java)
Reactions
Drawing Curved Arrows 
Alkenes I
Backside Attack on a Bromonium Ion 
Chirality
Determining configuration R/S using your hand 
Solving R/S problem #1 
Solving R/S problem #2 
Solving R/S problem #3 
Solving R/S problem #4 
Solving R/S problem #5 
Alkyl Halides
The Walden Inversion 
Stereochemistry and E2 elimination 
Conjugated Systems
Diels-Alder Stereochemistry 
Electrocyclic Reactions Using the "Finger and Thumbs"/Aromatic Transition State Theory method 
Enols/Enolates
Solving Aldol Problems Heuristically (Without Doing the Mechanism Algorithmically) 
Solving Claisen Problems Heuristically (Without Doing the Mechanism Algorithmically) 

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