Syntheses and characterizations of two new organic-inorganic hybrids based on heteropolymolybdates and piperidine molecules

Two new organic-inorganic compounds [(CH2)(5)NH2](3)[PMO12O40]center dot 3[(CH2)(5)NH] 1 and [(CH2)(5)NH2](6)[P2MO18O62]center dot 5H(2)O 2 have been synthesized using conventional and hydrothermal methods, respectively, and characterized by elemental analyses, IR, TG and single-crystal X-ray diffraction. X-ray analyses show that in these compounds heteropolymolybdates [PMo12O40](3-) and [P2Mo18O62](6-) are reserved their Keggin or Dawson structures and linked to piperidine through. electrostatic and hydrogen-bonding interactions.