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首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >Structural characterization and Raman spectrum of Cs[OCN]
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Structural characterization and Raman spectrum of Cs[OCN]

机译:CS [OCN]的结构表征和拉曼光谱

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摘要

The compound Cs[OCN] has been synthesized and its crystal structure and Raman spectrum were determined on selected single crystals. As postulated in earlier work, the title compound crystallizes isopointal to KN3 exhibiting the space group I4/mcm (no. 140, Z?=?4) with the lattice parameters a?=?653.79(2) and c?=?799.42(5) pm. The Raman spectrum verified the nature of the triatomic moiety and shows the frequencies typical for an [OCN]? anion with Fermi resonance between the 2δ and the νsym vibrations. The undisturbed frequencies and the resulting force constants have been calculated and compared to those of other alkali metal compounds containing comparable linear triatomic anions.
机译:已合成化合物CS [OCN],并在选定的单晶上测定其晶体结构和拉曼光谱。 在早期的工作中假设,标题化合物与晶格参数A的空间组I4 / MCM(NO.140,Z?=Δ4)结晶,具有晶格参数A?=?653.79(2)和C?=?799.42( 5)PM。 拉曼光谱验证了三种部分的性质,并显示了[OCN]的典型频率? 阴离子与FERMI共振在2δ和νSYM振动之间。 已经计算了未受干扰的频率和所得力常数,并与含有可比线性三语阴离子的其他碱金属化合物的频率进行比较。

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