Abstract
Four organic–inorganic hybrid complexes ([(HL1)2SnCl6] · 2H2O (1) (L1 = 2-methylquinoline), [(HL2)2(CdCl4)] · 2H2O (2) (L2 = 5,7-dimethyl-1,8-naphthyridine-2-amine), [(H2L2)2SnCl6] · 2(Cl) (3), and [(H2L3)SnCl6] · 2H2O (4) (L3 = 3,6-bis(imidazol-1-yl)pyridazine)) derived from N-containing aromatic Brønsted bases and metal(II) chloride dihydrate (tin(II) chloride dihydrate and cadmium(II) chloride dihydrate) were prepared and characterized by IR, X-ray structure analysis, elemental analysis, and TG analysis. The aromatic rings of the cations in all of the compounds are essentially planar. X-ray diffraction analysis revealed that 2–4 have 3-D network structures built from hydrogen bonds between the cations and chlorometallates. Water molecules also play important roles in structure extension in 1, 2, and 4. The arrangements of the anions and cations in their solid state are dominated by shape, size, and symmetry of the cations and the different structures of the chlorometallates as well as by hydrogen-bond interactions.
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