Indole derivatives are available as XYZ files:

1. Methane

2. Ethane

3. Propane

4. Butane

5. Pentane

6. Hexane

7. Heptane

8. Octane

9. Nonane

10. Decane

11. Undecane

12. Dodecane

13. Tridecane

14. Tetradecane

15. Pentadecane

16. Hexadecane