There are absorption in 650 cm-1 which can be ascribed to the Cr3O unit hi trinuclear chromium complexes.
三核配合物在～650 cm-1叫有Cr3O的反对称伸缩振动吸收。
参考来源 - 桥联多核铬配合物的合成及磁性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Trinuclear carbonyl cluster compounds of Fe, Ru and Os were vaporized, ionized and dissociated by pulsed laser beam.
在自制的仪器上以脉冲激光溅射铁、钌、锇的三核羰基原子簇化合物，由原位质谱观察和分析溅射产生的正负离子。
The developing history of PNP from mononuclear to dinuclear and trinuclear was introduced, and influences of PNP structure on the stability, activity and selectivity of the catalyst were emphasized.
重点介绍了PNP由单核向双核、三核的开发进程，并讨论了其结构对催化剂稳定性、活性和选择性的影响。
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