Anion-controlled assembly of Ag(I) coordination polymers based on cis/trans-bis(acetylacetone)-1, 4-cyclohexanediimine ligands: syntheses, structures, and solid-state luminescence. Issue 2 (17th January 2016)

• Record Type: Journal Article
• Authors: Zhang, Qilong; Feng, Guangwei; Zhang, Yunqian; Zhu, Bixue; Lindoy, Leonard F.; Wei, Gang
• Is Part Of: Journal of coordination chemistry. Volume 69:Issue 2(2016)
• Page Start: 253
• Page End: 269
• Publication Date: 2016-01-17
• Subjects: Bis(acetylacetone)cyclohexanediimine -- silver coordination polymers -- luminescent property -- ion-controlled -- structure diversity; Coordination compounds -- Periodicals; 541.2242
• DOI: 10.1080/00958972.2015.1105967
• Languages: English
• ISSNs: 0095-8972

Abstract

Abstract: Two isomorphic acetylacetone-based complexes: trans -bis(acetylacetone)-1, 4cyclohexanediimine (TBAC) and cis -bis(acetylacetone)-1, 4-cyclohexanediimine (CBAC) were designed to promote complex formation on reaction with AgX (X = , , , , and ) and were employed to generate nine silver coordination polymers (CPs), {[Ag(TBAC)]·2H2 O·BF4 }n (1 ), [Ag(TBAC)0.5 (NO3 )]n (2 ), [Ag2 (TBAC)2 (ClO4 )2 ]n (3 ), [Ag(TBAC)(CF3 SO3 )(H2 O)]n (4 ), {[Ag(TBAC)2 ]·SbF6 }n (5 ), {[Ag(CBAC)]·BF4 }n (6 ), {[Ag(CBAC)(H2 O)]·ClO4 }n (7 ), {[Ag(CBAC)(H2 O)]·CF3 SO3 }n (8 ), and {[Ag(CBAC)(H2 O)]·SbF6 }n (9 ) that exhibit structural and topological diversity as determined by single-crystal X-ray diffraction analyses. The complexes were further characterized by elemental analyses, IR spectra, powder X-ray diffraction (PXRD), and thermogravimetric (TG) analyses. Complex1 exhibited a 3-D (4, 4)-connected pts topology with the Schläfli symbol of (4 2 ·8 4 ). The anions in2 are μ 2 -bridging linkers, connecting the 1-D [Ag(TBAC)0.5 ]n chains to 2-D (3, 4)-connected nets. In3, TBAC is a tridentate ligand to bind Ag(I) ions to form a 1-D ladder-like supramolecular structure. Complex4 has 2-D (3, 3)-connected nets where both Ag(I) ions and TBAC ligands are 3-connected nodes. Complex5 has a 1-D fishbone chain structure where some of the TBAC moieties are bidentate. The cis -isomer, CBAC, gives similar (3, 3)-connected networks where the Ag(I) ions and CBAC ligands are 3-connected nodes in the resultant6 –9 . Although the host networks in6 –9 are supramolecular isomers, structural comparisons revealed that use of cis- and trans -isomers of the ligand and different counterions significantly influence the structures. The luminescent properties of all complexes and ligands were investigated. Abstract :