The magnesium variant of M 2 (dobpdc) (Mg 2 (dobpdc)) is the most promising for CO 2 adsorption applications, but it is difficult to obtain a well-resolved single-crystal structure . Most crystallographically resolved structures are thus for the zinc variant, Zn 2 (dobpdc) . For the remainder of this paper, we will be discussing different amines and their configurations on this base MOF of Zn 2 (dobpdc). Generally speaking, M 2 (dobpdc) with different metal species are known to be isostructural .