New varieties of crystalline architecture produced by small changes in molecular structure in tape complexes of melamines and barbiturates

Article abstract of DOI:10.1021/ja00089a020

This paper describes the crystal structures of a series of seven 1:1 complexes between N,N′-bis(m-X-phenyl)-melamine and 5,5-diethylbarbituric acid (X = H, F, Cl, Br, I, CH₃, and CF₃). This series provides small perturbations on the