Orgo 6 - 6. Chirality: The Handness of Molecules What Are...

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6. Chirality: The Handness of Molecules What Are Stereoisomers? - Stereoisomers are isomers that have the same molecular formular and the same connectivity, but different orientations of their atoms in space. Cis/trans are sterioisomers. What Are Enantiomers? - Enatiomers are stereoisomers that are nonsuperposable mirror images. [Isomers are different compounds with the same molecular formular, either constitutional isomers which have a different order of attachment of their atoms or stereoisomers which have the same order of attacedment of atoms but a different orientation of their atoms in space. Sterioisomers are either enantiomers or diastereomers, which are stereoisomers that are not mirror images.] Chiral are objects that are not superposable on their mirror image. If an object and its mirror image are superposable, then the object and its mirror image are identical, and there is no possibility of enantiomerism, this is object is achiral. An achiral object has at least one plane of symmetry. A plane of symmetry is an imaginary plane passing through an object and dividing it so that one-half of the object is the reflection of the other half. The most common cause of chirality in organic molecules is a tetrahedral carbon atom with four different groups bonded to it. A stereocenter is an atom at which the interchange of two atoms or groups of atoms bonded to it produces a different stereoisomer.
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This note was uploaded on 02/09/2012 for the course SCIENCE 2213 taught by Professor Lee during the Spring '11 term at UWO.

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Orgo 6 - 6. Chirality: The Handness of Molecules What Are...

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