Egions from the associated two-dimensional fingerprint plots indicate the classical and hydrogen bonding. CorrespondingCorresponding towards the crystal structure carboxylate and non-classical hydrogen bonding. to the crystal structure description, the description, the amide groups with the N,Ngroups in the N,N-(1,4-phenylenedicarbonyl)diglycinate also carboxylate and amide -(1,4-phenylenedicarbonyl)diglycinate ligands L1 and L2, ligands as the C groups ofas the C groups in the aromatic these interactions. L1 and L2, also the aromatic ligands are involved in ligands are involved in these interactions.Solids 2021, 2 Solids 2021, 1, FOR PEER REVIEW377Figure 4. Hirshfeld surface evaluation of ligands from the from the cadmium(II) coordination The two-dimensional fingerprint 4. Hirshfeld surface evaluation of ligands cadmium(II) coordination polymer. polymer. The two-dimensional fingerprint plots of all the graphical representations with the Hirshfeld the Hirshfeld surfaces mapped more than the shape-index, plots of all interactions, interactions, the graphical representations ofsurfaces mapped over the shape-index, the electrostatic the electrostatic and dnorm (from and dnorm (from (a) the to major) of (a) the N,N-(1,4-phenylenedicarbonyl)diglycinate Desfuroylceftiofur site potential power potential power bottom to leading) of bottom N,N -(1,4-phenylenedicarbonyl)diglycinate ligand L1, (b) the ligand L1, (b) the N,N-(1,4-phenylenedicarbonyl)diglycinate 2,2 -bipyridine. N,N -(1,4-phenylenedicarbonyl)diglycinate ligand L2, and (c) ligand L2, and (c) 2,2-bipyridine.The HS mapped over thethe electrostatic prospective energy reveals theand acceptor HS mapped more than electrostatic prospective power reveals the donor donor and acceptorof the described groups. The blue The blue areasthe positive and also the red regions elements elements of the mentioned groups. places indicate indicate the constructive and also the red damaging electrostatic potential, prospective, respectively, and suggestoxygen atoms with the locations the damaging electrostatic respectively, and recommend that the that the oxygen atoms in the carboxylate and amide act as hydrogen-bond acceptors; whereas the nitrothe carboxylate and amide groups groups act as hydrogen-bond acceptors; whereas the nitrogen/hydrogen atoms on the amide groups and also the carbon/hydrogen atoms of the gen/hydrogen atoms from the amide groups plus the carbon/hydrogen atoms of the aromatic aromatic act as hydrogen-bond donors. The donors. The of red and blue triangles ofblue moieties moieties act as hydrogen-bond appearance appearance of red as well as the HS mapped the the mapped more than the shape-index of triangles of over HS shape-index of your ligand (a) L1 and the (c) 2,two -bipyridine represent ligand (a) L1 and also the (c) the offset face-to-face – stacking interaction as Chenodeoxycholic acid-d5 Epigenetics displayed in interaction as displayed in 2,2-bipyridine represent the offset face-to-face – stacking Figures two and 3. The lack of red and blue triangles and of occurrence of a sizable red area more than the aromatic moiety Figures 2 and three. The lack thered and blue triangles and also the occurrence of a large red on the over (b) aromatic moiety of more than the shape-index the HS mapped of a the regionligand the L2 on the HS mapped the ligand (b) L2 of exhibit the absenceover – stacking motif and the absence deformation on the surface induced by a deformation of shape-index exhibitrepresent theof a – stacking motif and represent the lone-pair. This observation corresponds to the lone-pair observation corresponds to the lone-pair the surface in.