Abstract

Treatment of 2-methyl-1H-imidazole-4,5-dicarboxylic acid (H3MIA) with Co(NO3)2 in the presence of 4,4′-bipyridine (4,4′-bipy) under hydrothermal condition, yielded one novel two-dimensional (2-D) coordination polymer [Co(HMIA)(H2O)(4,4′-bipy)0.5]·H2On (1). Single-crystal structural study reveals that the complex incorporates alternate left– and right–handed helical chains by 4,4′-bipy linkages. This is the first example of 2-D Co(II) helical coordination polymer with mixed HMIA and 4,4′-bipy ligands. Its thermal properties are also investigated.

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