Molecules in four dimensions
Subjects from the organic chemistry curriculum

Structures: Lewis and 3D, using Chime or Jmol. Lewis structures and VSEPR theory translated to 3D.
Molecular Orbitals MO's in diatomics and other small molecules.
d-Block complexes Orbital symmetry in d-block metal coordination complexes.
Conformations of n-alkanes C & J Find out about the conformations of n-alkanes and their potential energy as a function of the conformation.
Stereochemistry and stereoisomers C & J Examine the 3D structures that correspond to the 2D drawings found in textbooks on this subject.
Conformations of cyclohexane C & J Look at the ring-flip of cyclohexane and learn about factors that influence the stability of a conformation.
Stereoisomerism of cyclic compounds C & J An introduction to cis-trans isomerism in cyclic compounds. Learn about the impact of stereochemistry on elimination reactions in cyclic compounds.
Stereochemistry of the SN2 reaction C & J An introduction to the stereochemistry of the SN2 reaction.
The SN1 reaction C & J About the (lack of) stereochemistry of the SN1 reaction, hydride shifts and methyl shifts.
Molecular vibrations C & J Animated vibrations, as part of infrared spectroscopy.
Pseudorotation, Chime or Jmol Conformational changes in the PF5 trigonal bipyramid.
Elimination reactions C & J Two possible E2 elimination reactions in 2-bromobutane.
Stereochemistry of the chlorohydrin reaction C & J An example of a stereoselective and stereospecific reaction.
Reactions of chlorohydrins, Chime or Jmol Epoxide formation in cis or trans 2-chlorocyclohexanol.
Sharpless epoxidation Chime or Jmol Asymmetric epoxidation of the double bond in allylic alcohols.
Reactions of epoxides, Chime or Jmol Acid catalyzed ring opening.
Inversion at nitrogen, Chime or Jmol The difference between an open and a ring structure.
Electrophilic aromatic substitution, Chime, Jmol Calculate the relative activation energy, to determine directive effects.
Cycloaddition reactions Learn about HOMO/LUMO interactions (watch VRML2 animations of orbitals) in the Diels-Alder reaction and in [2 + 2] cycloadditions.
Carbonyl chemistry C & J Reactions of the carbonyl group: nucleophilic addition and alpha-H abstraction.
Glucose, Chime or Jmol The relation between the Fischer projection, the Haworth projection, and the 3D-structure of D-glucose and glucopyranose.
Food science Some rather old Chime pages. Suggestions are welcome.
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