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14 August 1998 Square pyramidal coordination compound for SHG: Zn(acac)2(PhTU)
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The title compound has been synthesized by reaction of ZnCl2, acetylacetone (acacH) and phenylthiourea (PhTU), and characterized by a variety of techniques. This compound is completely transparent in the visible region, and shows a powder SHG (second harmonic generation) effect as strong as 10 times that of KDP. X-ray single crystal structure analysis reveals that the molecule possesses a square pyramidal configuration around zinc ion. The molecules are aligned almost parallely in the lattice so that the geometrical superposition of the molecular dipole moment and the first hyperpolarizability ((beta) ) are favorably enhanced, giving rise to a relatively strong macroscopic SHG effect.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jun Zhang, Nanbing Su, Chaoyang Dai, Chuluo Yang, Baosheng Lou, Jingui Qin, Daoyu Liu, Baichang Wu, and Chuangtian Chen "Square pyramidal coordination compound for SHG: Zn(acac)2(PhTU)", Proc. SPIE 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II, (14 August 1998);

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