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结合对[Co(NH3)5Cl]^2)与[Co(NH3)6]^3+的颜色的比较,阐述配体场理论中有关电子组态、能级、轨道、配体场谱项及谱项间跃迁等基本概念及难点。即使不做严格的量子化学计算,从直观的物理模型、简单的分子轨道理论、群论方法及有关谱图中也能获得有用信息。 相似文献
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合成了混合价态多核羰基钴离子对配合物[Co^I/(CO)(dppe-P,P')2]2[co2^I^I(μ-dppeo)Cl6]{dppeo=双二苯基膦基乙烷Ph2P(O)CH2CH2P(O)Ph2},用X射线衍射法测定了其晶体学参数为a=11.761(3),b=12.860(2), c=21.428(3)A, a=81.45(2), β=82.47(2), γ=79.84(2)°, 三斜晶系, PI空间群, Co^I和Co^I^I具有不同的配位构型, 量子化学计算结果解释了该配合物稳定的原因。 相似文献
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A new experiment, Recycle of cobalt and silver, has been designed, based on the original experiment Preparation and analyses of complex[Co(NH3)6]Cl3. Both cobalt and silver are heavy metals, which can cause serious environmental pollution. In our experiments, cobalt chloride was recovered from the product[Co(NH3)6]Cl3, and silver nitrate was extracted from the byproduct in the process of chlorine content determination. Therefore, both the above-mentioned heavy metals can be recycled. Our experimental design has been proved to be able to promote studying interests of students, enhance environmental awareness of students, and in the meantime reduce experimental costs. 相似文献