期刊
INORGANIC CHEMISTRY
卷 49, 期 4, 页码 1834-1848出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic9021855
关键词
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资金
- National Natural Science Foundation of China [20873135, 50903081]
- China Postdoctoral Science Foundation [20070420724]
- Cultivation Fund of the Key Scientific and Technical Innovation Project
- Ministry of Education of China [707036]
- Natural Science Foundation of Jiangsu Province [BK2008579]
The bidentate ferrocenyl sandwich molecule 1,1'-bis[(3-pyridylamino)carbonyl]ferrocene (3-BPFA) has been employed as an organometallic ligand in reactions with a series of transition metal salts to construct heterobimetallic architectures. X-ray crystallographic characterization reveals that the crystal packing of free ligand 3-BPFA induces spontaneous resolution of helical chains via intermolecular hydrogen bonds. By combining the flexibility from the armlike molecule (3-BPFA) with the variation of the coordination property from different metal ions and/or the different counteranions, five different types of architectures are prepared: one octahedral coordination cage (copper(II) complex 1); two discrete pseudocapsules for combination of chlorine anions (nickel(II) complex 2 and cobalt(II) complex 3); two dimers with metal-metal interactions (silver(l) complexes 4 and 5); one macrocyclic complex (mercury(II) complex 6); and five two-dimensional mixed-metal-organic frameworks (M'-MOFs) (zinc(II), cadmium(II), and mercury(II) complexes 7-11). The structures of all complexes are characterized in detail by IR, elementary analysis, and single-crystal X-ray diffraction analysis. The factors inducing the structure variation among the complexes are discussed by taking account of the coordination geometry of different metal ions, the span angle between the two arms, and the coordination mode of the 3-BPFA ligand.
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