1. For a very good overview of recent developments in crystal engineering see the following multiauthored volumes and review articles: (a)CrystalEngineering: From Molecules and Crystals To Materials; Braga, D., Orpen, A. G., Eds.; NATO ASI series; Kluwer: Dordecht, The Netherlands, 1999. (b) Weber, E., Ed.Design of Organic Solids; Topics in Current Chemistry; Springer-Verlag, Heidelberg, 1998; Vol. 198. (c)ComprehensiveSupramolecular Chemistry; Atwood, J. L., Davies, J. E. D., MacNicol, D. D., Vogtle, F., Lehn, J.M., Eds.; Pergamon: Oxford, 1996; Vol. 6. (d) Desiraju, G. R.Angew. Chem., Int. Ed. Engl.1995,34, 2311−2327. (e) Aakeroy, C. B.Acta Crystallogr.1997,B53, 569−583. (f) Braga, D.; Grepioni, F.; Desiraju, G. R.Chem. Rev.1998,98, 1375−1405. (g) Bernstein, J.; Davis, R. E.; Shimoni, L.; Chang, N.Angew. Chem., Int. Ed. Engl.1995,34, 1555−1573. (h) MacDonald, J. C.; Whitesides, G. M.Chem. Rev.1994,94, 2383−2420. (i) Batten, S. R.; Robson, R.Angew.Chem., Int.Ed.Engl.1998,37, 1460−1494. (j) Zaworotko, M. J. Coordination Polymers. InCrystalEngineering: The Design and Applications of Functional Solids; Seddon, K. R., Zaworotko, M. J., Eds.; NATO ASI series; Kluwer: Dordecht, The Netherlands, 1998. (k) Hagrman, P. J.; Hagrman, D.; Zubieta, J.Angew.Chem., Int. Ed. Engl.1999,38, 2639−2684. (l) Alivisatos, A. P.; Barbara, P. F.; Castelman, A. W.; Chang, J.; Dixon, D. A.; Klein, M. L.; McLendon, G. L.; Miller, J. S.; Ratner, M. A.; Rossky, P. J.; Stupp, S. I.; Thompson, M. E.Adv. Mater.1998,10, 1297−1336.
2. Nanoporous Molecular Sandwiches: Pillared Two-Dimensional Hydrogen-Bonded Networks with Adjustable Porosity
3. Solid-state structures of rosette and crinkled tape motifs derived from the cyanuric acid melamine lattice