摘要
用紫外分光光度计测得合成三价钴的配合物[Co(NH3)5Cl]Cl2和[Co(NH3)5NO2]Cl2水溶液吸收曲线并与配合物[Co(NH3)6]Cl3吸收曲线相比较,得出三个配合物不同的最高吸收峰位置,从而判断出配体Cl-、NO和NH3对Co3+离子所形成的晶体场强度顺序为NO>NH3>Cl-。
The cobaltic compounds of (Co(NH3)5Cl)Cl2and (Co(NH3)5NO2)Cl2 were synthesized.And their UV spectra were measured by using a 72G Spectrophotometer in the solution. For compounds (Co(NH3)5Cl)Cl2, (Co(NH3)5NO2)Cl2 and (CO(NH3)6)Cl3, their UV spectra appear separately. So it can be determined that the strength of ligands is NO2>NH3>Cl-.
出处
《上海工程技术大学学报》
CAS
1996年第2期77-80,共4页
Journal of Shanghai University of Engineering Science
关键词
配合物
配体
钴
晶体场
氯离子
亚硝酸根
Coordination compound
Optical spectrometers (F)
Cobalt ions