Structural diversity of a series of urea-based coordination complexes: from water tapes, water-sulfate chains, to supramolecular structures. Issue 1 (2nd January 2017)

• Record Type: Journal Article
• Authors: Zhang, Qi-Long; Huang, Ya-Li; Xu, Hong; Tu, Bo; Zhu, Bi-Xue
• Is Part Of: Journal of coordination chemistry. Volume 70:Issue 1(2017)
• Page Start: 156
• Page End: 167
• Publication Date: 2017-01-02
• Subjects: N–(3–picolyl)–N′–(3–pyridyl)urea -- N–(4–picolyl)–N′–(3–pyridyl)urea -- water–sulfate interactions -- hydrogen bonds -- luminescent property; Coordination compounds -- Periodicals; 541.2242
• DOI: 10.1080/00958972.2016.1250260
• Languages: English
• ISSNs: 0095-8972

Abstract

Abstract: [Hg2 (L1 )2 I4 ] (1 ), [Cd2 (L1 )2 I4 ] (2 ), {[Cd(L1 )2 (SO4 )(H2 O)]·4H2 O}n (3 ), {[Zn2 (L2 )2 (Cl)4 ]·0.5H2 O} (4 ), {[Cu2 (L2 )2 (SO4 )2 (H2 O)4 ]·2.5H2 O} (5 ), and {[Cd(L2 )2 (SO4 )(H2 O)]·3H2 O}n (6 ), based on N–(3–picolyl)–N′–(3–pyridyl)urea (L1 ) or N–(4–picolyl)–N′–(3–pyridyl)urea (L2 ), have been synthesized and characterized by elemental analyses, IR spectra, single-crystal and powder X-ray diffraction, and thermogravimetric analyses. Complexes1 and2 are isomorphous and feature similar rectangular metal organic loops, which were further extended into 2-D supramolecular structures through hydrogen bonds. Complex3 possesses a 2-Dsql sheet, and the channels between the neighboring sheets are filled with lattice water molecules, which formed a 1-D water tape. Complex4 also exhibits a rectangular metal organic loop and a 3-D supramolecular structure with the help of hydrogen bonding interactions. Complex5 also possesses a metal organic loop, and the water molecules interacted with sulfates, constructing a 1-D water–sulfate tube. Complex6 features a 1-D loop polymeric chain. Moreover, the solid state luminescences of1 –4 and6 have been investigated. Abstract :