Solvation effect on the construction of coordination polymers containing a flexible four-pyridyl ligand. Synthesis and crystal structures of silver(I) complexes

✍ Scribed by Sojung Lee; Kyung Hwan Park; Jungmin Ahn; Young-A Lee; Ok-Sang Jung

• Publisher: Elsevier Science
• Year: 2011
• Tongue: English
• Weight: 617 KB
• Volume: 996
• Category: Article
• ISSN: 0022-2860
• DOI: 10.1016/j.molstruc.2011.04.031

✦ Synopsis

Construction of AgX (X À = ClO À 4 and BF À 4 ) with highly flexible N,N,N 0 ,N 0 -tetrakis(ethylisonicotinoyl)ethylendiamine (L) has been scrutinized for the weak argentophilic, Ag anion, and AgÁsolvent interactions. All such complexes afford coordination polymers consisting of 2:1 (Ag(

and BF À 4 ) and [Ag 2 (L)(H 2 O)](BF 4 ) 2 are double-stranded 1D, whereas [Ag 2 (ClO 4 ) 2 (L)(Me 2 CO) 2 ] yields a 2D network structure. The molecular construction has been affected by anions, solvents, and the crystallization method. The natures of anion-and solvent-coordination, including the argentophilic interaction play important roles in the formation of skeletal structures. For [Ag 2 (L)(CH 3 CN) 2 ](ClO 4 ) 2 , weakly coordinated solvate acetonitrile reversibly associates and dissociates in the solid state.