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Alkanes and Cycloalkanes: Structure, Nomenclature, Isomerism, Conformations, and Properties

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Common Substituents

  • Name the following alkane
    02:33
  • Understanding Non-IUPAC Substituents
    06:42
  • Name the following alkane
    03:56

Constitutional Isomers

  • Isomeric Relationships
    03:28
  • Using the flowchart to determine isometric relationships.
    05:02
  • Isomeric Relationships
    02:56

Alkane Nomenclature

  • Naming the root chain
    01:02
  • Provide the IUPAC name for the following alkane
    07:08
  • The different parts of an IUPAC name
    03:43

Cycloalkanes

  • Name the following alkane
    00:53
  • Determining Root Name
    00:18
  • Determining Root Name
    00:34

Bicyclics

  • How to name a bridged bicyclic
    04:39
  • The two types of bicyclic molecules
    01:55
  • How to name a fused bicyclic
    03:27

Conformations

  • Understanding what a conformer is.
    03:29

Newman Projections – Conformational Energy

  • How to draw a Newman Projection Energy Diagram.
    07:27
  • How sigma bond rotation is visualized
    03:11
  • The energy states of 3 different Newman Projections.
    03:51

Barrier To Rotation

  • 4 Values You Should Memorize
    02:54
  • Determining energy cost of eclipsed interaction
    03:00

Heat of Combustion

  • Understanding Heat of Combustion
    01:11
  • What is torsional strain?
    02:00
  • Lowest Heat of Combustion
    02:34

Cyclohexane – Chairs and Positions

  • What is a chair conformation?
    01:05
  • How chairs flip from one conformation to another
    02:22
  • How chairs flip from one conformation to another
    04:26

Cyclohexane – Determination of Cis and Trans

  • Is the following cyclohexane cis or trans?
    00:44
  • How to draw chairs.
    01:18
  • Is the following cyclohexane cis or trans?
    00:27

Chair Flip

  • The 3 important factors when drawing chairs
    05:12

Equatorial Preference

  • Equatorial Preference
    04:02
  • Draw the following chair in the most stable conformation.
    03:17

A-Values

  • Calculating Chair Equilibrium
    06:27

Decalin

  • How to determine the stability of a decalin.
    03:52
  • Draw the following decalin as a chair conformation in the most stable conformation.
    03:14

Types of Isomers

  • Determining when molecules are conformers.
    01:39
  • Determining when molecules are different.
    03:51
  • Determining when molecules are constitutional isomers.
    01:33