Journal
INORGANIC CHEMISTRY
Volume 42, Issue 26, Pages 8838-8846Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic0345929
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Self-assemblies of rigid angular ligands with 1200 molecular angle and metal centers have been investigated with the aim of achieving the rational construction and modification of coordination polymer structures. The reactions of Co(NCS)(2) with 1,3-bis(trans-4-styrylpyridyl)benzene (L-1), 2,6-bis(trans-4-styrylpyridyl)pyridine (L-2), 1,3-bis(trans-4-styryl pyrimidyl)benzene (L-3), and 1,3-bis(trans-4-styrylquinoly)benzene (L-4) afford complexes [Co(L-1)(2)(NCS)(2)](infinity) (1), [Co(L-2)(2)(NCS)(2)](infinity) (2), Co(L-3)(2)(NCS)(2)(CH3OH)(2) (3), and [Co(L-4)(NCS)(2)](infinity) (4), respectively. The resulting complexes exhibit open framework, stairlike hydrogen-bonded chain and single-stranded helical coil structures, which are controlled by the variation of the geometry around the coordination site in ligands. Moreover, the coordination of L-1 and L-2 to Mn(hfac)(2) (hfac = 1,1,1,5,5,5-hexafluoroacetylacetonate) yields single-stranded helical coordination polymers of [Mn(L-1)(hfaC)(2)](infinity) (5) and [Mn(L 2) (hfac)2](infinity) (6), respectively.
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