Structure of octane?

The chemical structure of octane is C8H18. It is a straight-chain alkane with eight carbon atoms and 18 hydrogen atoms. The carbon atoms are arranged in a linear chain, with each carbon atom bonded to two hydrogen atoms. The molecular formula for octane is C8H18, and its structural formula is CH3(CH2)6CH3.

Molecular Formula: C8H18

Structural Formula:

```
H H H H H H H H
| | | | | | | | |
| | | | | | | | |
H - C - C - C - C - C - C - C - H
| | | | | | | | |
| | | | | | | | |
H H H H H H H H
```

Condensed Structural Formula: CH3(CH2)6CH3

Line-Angle Structural Formula:

```
HHH HHH
/ \ / \
H - C - C - C - C - C - C - C - H
\ / \ /
HHH HHH
```

Ball-and-Stick Structural Formula:

[Image of octane with balls and sticks representing the atoms and bonds]