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首页> 外文期刊>Acta Crystallographica, Section B. Structural science, crystal engineering and materials >Combining photoinduced linkage isomerism and nonlinear optical properties in ruthenium nitrosyl complexes
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Combining photoinduced linkage isomerism and nonlinear optical properties in ruthenium nitrosyl complexes

机译：结合光诱导的连杆异构和非线性光学性质在钌亚硝基复合物中

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摘要

The complex trans-[RuNO(NH_3)_4F]SiF_6 was synthesized in quantitative yield and the structure was characterized by X-ray diffraction and spectroscopic methods. The complex crystallizes in the non-centrosymmetric space group Pn. Hirshfeld surface analysis revealed that the dominant intermolecular interactions are of types H· · ·F and F· · ·O, which are likely to be responsible for the packing of the molecules in a non-centrosymmetric structure. Irradiation with blue light leads to the formation of Ru-ON (metastable state MS1) and Ru-η~2-(NO) (metastable state MS2) bond isomers, as shown by IR and UV-Vis spectroscopy. The structural features of the MS1 isomer were elucidated by photocrystallography. The complex exhibits exceptionally good thermal stability of the metastable state MS1, such that it can be populated by light at 290-300 K, which is important for potential applications. The second harmonic (SH) emission can be generated by femtosecond-pulsed irradiation of the complex. The generated SH is rather efficient and stable under long-term exposure. Finally, since both metastable states and harmonic generation can be generated at room temperature, an attempt to drive the SH response by photoisomerization of the nitrosyl ligand was made and is discussed.
机译：以定量产率合成复杂的转型转官（NH_3）_4F] SIF_6，并且该结构的特征在于X射线衍射和光谱方法。复合物在非亚聚对称空间组PN中结晶。 HIRSHFELD表面分析显示，显性分子间相互作用是H··F和F··o型，其可能负责在非亚邻对称结构中的分子包装。用蓝光照射导致形成Ru-ON（亚稳态MS1）和Ru-η〜2-（NO）（亚稳态MS2）键合异构体，如IR和UV-Vis光谱所示。通过光镀合相阐明MS1异构体的结构特征。该复合物表现出亚稳态MS1的异常良好的热稳定性，使得它可以在290-300k的光线下填充，这对于潜在的应用很重要。第二次谐波（SH）发射可以由络合物的飞秒脉冲照射产生。在长期暴露下，所产生的SH在长期暴露下是相当高的。最后，由于可以在室温下产生亚稳态和谐波产生，因此进行了通过亚硝基配体的光学化驱动SH响应的尝试并被讨论。

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