Exercises for ADF and ADF-GUI (difficulty: easy)
ADF-GUI:

- Water
- Methane => Neopentane
- Mn2CO10
- Ruthenocene
- Porphyrin
- Ethanol
- Carbon-carbon bondtypes
ADF:

- MO levels of H2O
- Bonding energy of H2O
- Conformational energy of ethane
- Vibrational frequencies of H2O
- Influence of relativistic effects on the At2 bond
- Make new preset


Also have a look at the standard examples