Figure 3
(a) Structural diagram of the LAM molecule with the atom-numbering scheme. (b) Supramolecular synthons 1 and 2 in the crystal structure of the LAM molecule (CSD refcode: EFEMUX01; usually known as motifs 1 and 2, respectively) defined via the N—H⋯N type of hydrogen bond between the N4 atom of 1,2,4-triazine and the amino N3 atom (synthon 1: P-P dimerization) and between the N2 atom of 1,2,4-triazine and the amino N3 and N5 atoms (synthon 2). |