Synthesis, Structures, and Properties of Two Novel Supramolecular Architectures Constructed from [2,3-f]Pyrazino[1,10]phenanthroline-2,3-dicarboxylic Acid

Two new compounds, [Ag(Hppdb)]n (1) and {[Ag2(Hppdb)2(bpe)]·5.5H2O}n(2) [H2ppdb = [2,3‐f]pyrazino[1,10]phenanthroline‐2,3‐dicarboxylic acid, bpe = trans‐1,2‐bis(4‐pyridyl)ethylene], were synthesized and characterized. In 1, Hppdb– ions link AgI cations to form an infinite 1D [–Ag–(Hppdb)–Ag–]n chain...

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Bibliographic Details
Published in:ZAAC - Journal of Inorganic and General Chemistry 2009-12, Vol.635 (15), p.2622-2626
Main Authors: Zhang, Xiao-Ning, Li, Dong-Sheng, Wang, Ji-Jiang, Zhao, Jun, Meng, Cai-Xia, Wu, Ya-Pan, Wang, Yao-Yu
Format: Article
Language:English
Subjects:
Hydrogen bonds
Interpenetrating structures
Silver
Supramolecular chemistry
π-π Stacking
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Summary:Two new compounds, [Ag(Hppdb)]n (1) and {[Ag2(Hppdb)2(bpe)]·5.5H2O}n(2) [H2ppdb = [2,3‐f]pyrazino[1,10]phenanthroline‐2,3‐dicarboxylic acid, bpe = trans‐1,2‐bis(4‐pyridyl)ethylene], were synthesized and characterized. In 1, Hppdb– ions link AgI cations to form an infinite 1D [–Ag–(Hppdb)–Ag–]n chain, furthermore, the dimensionality is extended to 2D layers through synergistic π–π stacking, hydrogen‐bonding and weak Ag···O interactions. Correspondingly, the dimeric [(Ag)(Hppdb)]2 subunits in 2 are connected by bpe ligands to generate a loop‐link‐shaped 1D chain motif, which is further joined through a R22(18)C–H···O hydrogen‐bonding ring to afford interesting diagonal/diagonal inclined catenation 2D + 2D → 3D supramolecular architectures. In addition, solid‐state properties such as photoluminescence and thermal stability of the two compounds were studied.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.200900223