Synthesis, Structure, and Nonlinear Optical Activity of K, Rb, and Cs Tris(crotonato)uranylates(VI)

Savchenkov Anton V.; Vologzhanina Anna V.; Serezhkina Larisa B.; Pushkin Denis V.; Stefanovich Sergey Yu.; Serezhkin Viktor N.

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Synthesis, Structure, and Nonlinear Optical Activity of K, Rb, and Cs Tris(crotonato)uranylates(VI)

机译：K，Rb和Cs Tris（crotonato）uranylates（VI）的合成，结构和非线性光学活性

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Three uranyl crotonate complexes with composition RUO2(C3H5COO)(3) [R = K (I), Rb (II), Cs (III)] were studied using FT-IR spectroscopy and X-ray diffraction analyses. The structures of I-III are constructed of typical anionic tris(carboxylato) uranylate complexes [UO2(C3H5COO)(3)](-). Cubic crystals of I and II have 3D framework structure, whereas triclinic crystals of III have layered structure. In the structure of III uranyl ions are nonlinear and non equal-arm due to uranyl-cation UO22+-Cs+ interactions. Nonlinear optical activity of noncentrosymmetric uranyl carboxylates was estimated by second harmonic generation measurements. Uranyl crotonate complexes show about twice higher SHG ability than uranyl butyrate and valerate complexes.

机译：使用FT-IR光谱和X射线衍射分析法研究了三种组成为RUO2（C3H5COO）（3）[R = K（I），Rb（II），Cs（III）]的巴豆酰铀酸酯复合物。 I-III的结构由典型的阴离子型三（羧基）尿嘧啶复合物[UO2（C3H5COO）（3）]（-）构成。 I和II的立方晶体具有3D骨架结构，而III的三斜晶体具有层状结构。在III的结构中，由于铀酰阳离子UO22 + -Cs +的相互作用，铀酰离子是非线性且不等臂的。非中心对称的铀酰羧酸盐的非线性光学活性通过二次谐波产生测量来估计。丁烯酸巴豆酸酯复合物的SHG能力是丁酸铀酸酯和戊酸酯复合物的SHG能力的两倍。

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《Zeitschrift fur Anorganische und Allgemeine Chemie》 |2015年第6期|共6页
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Savchenkov Anton V.; Vologzhanina Anna V.; Serezhkina Larisa B.; Pushkin Denis V.; Stefanovich Sergey Yu.; Serezhkin Viktor N.;
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正文语种 eng
中图分类化学;
关键词
Uranyl; Crotonate; Carboxylate ligands; Structure elucidation; Second harmonic generation;

机译：铀酰;氰酸酯;羧酸盐配体;结构解析;二次谐波的产生;

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Synthesis, Structure, and Nonlinear Optical Activity of K, Rb, and Cs Tris(crotonato)uranylates(VI)

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