Infrared Spectrum and Molecular Structure of B2O3
Infrared Spectrum and Molecular Structure of B2O3
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B2O3 的红外光谱和分子结构
DOI：
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发表时间：
1965
期刊：
影响因子：
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通讯作者：
W. Klemperer
中科院分区：
文献类型：
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作者：
P. Hanst;Vincent H. Early;W. Klemperer
B2O3和HBO2蒸气的红外光谱已经通过长光程高温吸收池重新检查。先前归属于B2O3的振动光谱现在似乎是由于HBO2。由于2000 cm−1附近的谱带表明存在硼氧双键，显然不属于B2O3，而是属于HBO2，因此B2O3分子的V形结构似乎是不可接受的。B2O3蒸气的吸收光谱在1400 cm−1附近有一个宽的特征，这可以与在惰性气体基质中观察到的B2O3谱带相关联。目前的光谱和重新分析先前公布的矩阵光谱显示是一致的双锥B2O3结构的对称性D3H。
The infrared spectra of B2O3 and HBO2 vapors have been re‐examined by means of a long‐path high‐temperature absorption cell. The vibrational spectrum previously assigned to B2O3 now appears to be due to HBO2. Since the band near 2000 cm−1, indicating the presence of boron—oxygen double bonds, apparently belongs not to B2O3, but to HBO2, a V‐shaped structure for the B2O3 molecule appears unacceptable. The absorption spectrum of B2O3 vapor has one broad feature near 1400 cm−1 which can be correlated with B2O3 bands observed in an inert gas matrix. The present spectra and a reanalysis of previously published matrix spectra are shown to be consistent with a bipyramidal B2O3 structure of symmetry D3h.