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在500—100cm~(-1)波段范围内测定了[Cl_2FeS_2MoS_2FeCl_2]~(2-)簇阴离子的Fourier变换红外光谱.采用简化的普遍价力场(SGVFF)进行了简正坐标分析.振动基频的计算值与观测值符合良好,两者平均偏差小于1.0％,证实了振动谱带的归属;确定了包括伸缩、变角、扭曲以及伸缩-伸缩相互作用的16个力常数.最后还讨论了所得结果的合理性和可靠性.
The Fourier transform infrared spectra of [Cl_2FeS_2MoS_2FeCl_2] ~ (2-) cluster anions were measured in the range of 500-100cm ~ (-1), and the simple coordinate analysis was performed by using the simplified generalized force field (SGVFF) The calculated values agree well with the observed values, and the average deviation between the two is less than 1.0%, confirming the ownership of the vibrational bands and determining 16 force constants including the stretching, cornering, twisting and telescopic-telescopic interactions. Finally, The result is reasonable and reliable.