2. Alkanes

 2.3  Isomerism of Alkanes

In this part, you need to know the following information: 

1) Constitutional isomers:

The same molucule, but different connnected way

2) Conformational isomers:

Conformational isomers: different spacial isomers by rotatation around the C-C single bond. They can be designated by Sawhorse representation, Newman projection, wedged structure.

3) Energy difference for different conformations

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