lecture note 5 - Organic Lecture Series CH 310/318 M...

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Organic Lecture Series 1 CH 310/318 M LECTURE 5 Textbook Assignment: Chapter 2 Today’s Topics: Alkanes & Cycloalkanes Alkanes & Cycloalkanes Notice & Announcements: POW 1 Posted to WEB site—Due 9/7 (Tues) Holiday on Monday 9/6/10 Organic Lecture Series 2 Conformations Conformation: Conformation: Any three- dimensional arrangement of atoms in a molecule that results from rotation about a single bond.
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Organic Lecture Series 3 • Staggered conformation: Staggered conformation: A conformation about a carbon-carbon single bond in which the atoms or groups on one carbon are as far apart as possible from the atoms or groups on an adjacent carbon. • Newman projection: Newman projection: A way to view a molecule by looking along a carbon-carbon single bond. H HH H Conformations Conformations Organic Lecture Series 4 • Eclipsed conformation: Eclipsed conformation: A conformation about a carbon-carbon single bond in which the atoms or groups of atoms on one carbon are as close as possible to the atoms or groups of atoms on an adjacent carbon. H H H H Conformations
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Organic Lecture Series 5 • Torsional Torsional strain strain – strain that arises when nonbonded atoms separated
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lecture note 5 - Organic Lecture Series CH 310/318 M...

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