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1 Polish Journal of Chemistry

1 2009

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Crystal Structure and Third-Order Non-Linear Optical Property of a Novel Three-Dimensional Supramolecular Network Compound of Co(II)

Li Y., Zhang Z. X., Wu Z. X., Li K. C., Li Q. S.

Polish Journal of Chemistry

2009

Vol. 83, nr 3

373-381

A new metal-organic complex formulated as [Co(ISOIN)2(H2O)4] 1 (H2ISOIN) = isonicotinic acid) has been synthesized by low-temperature solid-state reaction and characterized by single-crystal X-ray diffraction, elemental analyses, IR and UV-visible spectra. The strong intermolecular O-Hź ź źO hydrogen-bonds interactions are the most significant factors controlling the novel supramolecular sheet fashion packing of the title compound in the crystal state. The third-order non-linear optical (NLO) properties of 1 were also investigated and they exhibit the reverse saturable absorption and self-defocusing performance with modulus of the hyperpolarizability gamma 8.75×10-31 esu for 1 in a 1.56×10-4 molźdm-3 DMF solution.