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1.前言五氯·亚硝酰合铱酸根(1-)是活性络合物,可作为研究铱络合物的重要中间体,但文献报道的制备方法,一般需精制提纯,产率较低。在我们对[Ir(NO)Cl_5]~-溶液的研究过程中,观察到溶液见光发生颜色变化的现象,经研究系[Ir(NO)Cl_5]~-的光化学反应。等虽曾研究过[Ir(NO)Cl_5~-]溶液在365nm紫外光照射下的光化学反应,但未提及在室内散射光下的光化学反应问题。本文研究[Ir(NO)Cl_5]~-溶液的光化学反应,并提出由氯铱酸溶液定量转变为[Ir(NO)Cl_5]~-溶液的简便方法。
1. Introduction Pentachloronitrosyl iridium (1-) is an active complex which can be used as an important intermediate for the study of iridium complexes. However, the preparation methods reported in the literature usually require purification and purification with a low yield . During the course of our research on [Ir (NO) Cl_5] ~ solution, the phenomenon that the color change of the light appeared in the solution was observed by the photochemical reaction of [Ir (NO) Cl_5] ~. Although the photochemical reaction of [Ir (NO) Cl_5 ~] solution under 365nm UV irradiation has been studied, the problem of photochemical reaction under indoor scattered light is not mentioned. In this paper, the photochemical reaction of [Ir (NO) Cl_5] ~ - was studied, and a simple method of quantitative conversion of [Ir (NO) Cl_5]