Self-Assembly, Structure, and Physical Properties of Tetranuclear ZnII and CoII Complexes of [2 × 2] Grid-Type

✍ Scribed by Javier Rojo; Francisco J. Romero-Salguero; Jean-Marie Lehn; Gerhard Baum; Dieter Fenske

• Publisher: John Wiley and Sons
• Year: 1999
• Tongue: English
• Weight: 394 KB
• Volume: 1999
• Category: Article
• ISSN: 1434-1948
• DOI: 10.1002/(sici)1099-0682(199909)1999:9<1421::aid-ejic1421>3.0.co;2-j

✦ Synopsis

The tretrametallic [2 × 2] grid-type complexes 1-4 are orthogonal orientation of the ligand in the complexes which is critical for the formation of ordered monolayers and formed by self-assembly of the bis(tridentate) ligands 5 and 6 with Zn II and Co II cations. They have been characterized extended self-organized arrays of grids. The physical properties of the complexes such as metal-metal interaction by spectroscopic studies in solution as well as by crystal structure determination. The substituents in the central and π-π* stacking between the ligands may be modulated by changing these substituents. pyrimidine ring play an important role in terms of geometry and physical properties of the complexes. They induce an

In the present work, we describe the formation as well as [a] Laboratoire de Chimie Supramole ´culaire, ISIS Ϫ ULP Ϫ CNRS the steric hindrance introduced by the central phenyl sub- ESA-7006 stituent which must insert between two other ligands in the