Abstract

The first organic amine templated vanadyl pyrophosphate, [H2N(CH3)2]2VO(P2O7) (1), has been synthesized at a relatively mild temperature (180°C) under solvothermal conditions without any pyrophosphates. The structural analysis reveals that compound 1 is constructed by two types of helical chains and protonated dimethylamine cations. Two types of helical chains in 1 are connected through OVO linkages to make a double wave-like [VOP2O7]n chain. Magnetic susceptibility measurement of compound 1 indicates antiferromagnetic interactions between V4+ ions, while the observed SHG efficiency is 0.4 times of urea for 1.

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