## The H6 cluster

In this section you will calculate the wavefunction and the energy level diagrams for the linear and cyclic H6 clusters.

Exercise 1: Start DLVisualize, run a CRYSTAL calculation for the linear case: H6_linear.inp

Exercise 2: Run a CRYSTAL properties calculation of the energy level diagram + the density of states
for the H6 linear cluster, as explained in Exercise 4 for H4.

Exercise 3: Start DLVisualize, run a CRYSTAL calculation for the cyclic case: H6_cyclic.inp

Exercise 4: Run a CRYSTAL properties calculation of the energy level diagram + the density of states
for the H6 cyclic cluster, as explained in Exercise 4 for H4.

Question:

1. Compare the H6 cyclic cluster with benzene. What do they have in common?

Save the energies of the molecular orbitals in a file for Exercise 5 at the end of the section The H10 cluster

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