To benchmark the developed model on a periodic system, we picked six SiO 2 bulk structures with up to 18 atoms per unit cell from the MaterialsProject (MP) database with low energy above the convex hull. In the following, we refer to these structures as the target structures, which we aim to recover with the LoGAN. As training data we used all MP structures with energies within 0.02 eV/atom of the convex hull. Excluding the six target structures, this led to a training data set with 167 examples in each case. As input we also required the number and types of atoms, along with the lattice vectors of the unit cell.