Design and characterization of silver(I) azide coordination polymers based on 1,2-bis(4-pyridyl)ethane and phenazine

Two silver(I) azide supramolecular coordination polymers (SCPs) with N-donor ligands have been synthesized and structurally characterized by physicochemical and spectroscopic methods; [AgN 3 .bpe] where bpe = 1,2-bis(4-pyridyl)ethane, 1 , and [(AgN 3 ) 2 .phenz], 2 , where phenz = phenazine. Synthes...

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Bibliographic Details
Published in:Transition metal chemistry (Weinheim) 2011-02, Vol.36 (1), p.13-19
Main Authors: Etaiw, Safaa El-din H., Badr El-din, Ahmed S.
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Chemistry and Materials Science
Inorganic Chemistry
Organometallic Chemistry
Physical Chemistry
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Summary:Two silver(I) azide supramolecular coordination polymers (SCPs) with N-donor ligands have been synthesized and structurally characterized by physicochemical and spectroscopic methods; [AgN 3 .bpe] where bpe = 1,2-bis(4-pyridyl)ethane, 1 , and [(AgN 3 ) 2 .phenz], 2 , where phenz = phenazine. Syntheses were carried out in H 2 O/acetonitrile/NH 3 media at room temperature. The topology of the bipodal ligands directs the silver azide building blocks to adopt different structures; 1D-chain, 1 , or 1D-ribbon, 2 . The azide groups exhibit an unusual bent structure with increasing bridging capability to adopt enough space for the bipodal ligands. The structure of SCP 2 contains the cyclic motif {Ag 2 (μ 3 -N 3 ) 2 } to accommodate the voluminous phenz ligand. The emission spectra of the SCPs 1 and 2 display emission bands at 400–650 nm.
ISSN:0340-4285
1572-901X
DOI:10.1007/s11243-010-9428-0