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Abstract
[Co(im)6] · (SiF6) · (im)2 (1) and cis-[Cd2(bipy)2(H2O)4(μ-F)2] · SiF6 (2) [im = imidazole, bipy = 2,2′-bipyridine] have been synthesized and characterized by elemental analysis, IR, UV spectra, and single crystal X-ray diffraction. Crystal data show that two compounds are octahedral and compound 2 is cis. Compound 1 displays a layer structure and bridging hexagram formation by N–H ··· F–Si interactions between imidazole and
. Compound 2 has two Cds connected by μ-F and O–H ··· F–S resulting in cave conformation with π–π interactions. For both compounds,
plays an important role in assembling the supramolecular aggregates. The thermal stabilities have also been investigated.
Acknowledgment
The authors would like to thank Natural Science Foundation of Shandong Province (No. Y2005B04 and No. Z2007B01), P.R. China.