Breathing Metal-Organic Frameworks (MOFs), especially in combination with carbon dioxide, have seen a lot of focus over the last years. Investigations into their applicability in e.g. gas sensing, separation and storage have been studied extensively due to the environmental implications of the topic. The pillared layer MOF DUT-8(Ni) is one of the representatives of this class of materials. It consists of layers of Ni2(COO)4 paddle wheels connected by nonlinear ndc (2,6-naphthalene-dicarboxylate) linkers and stacked by pillaring layers with dabco (1,4-diazabicyclo-[2.2.2]-octane). Figure shows a top and side view of the structure.