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首页> 外文期刊>Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy >Vibrational spectroscopic study of the uranyl selenite mineral derriksite Cu4UO2(SeO3)2(OH)_6?H_2O
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Vibrational spectroscopic study of the uranyl selenite mineral derriksite Cu4UO2(SeO3)2(OH)_6?H_2O

机译:铀基亚硒酸盐矿物蛇纹石Cu4UO2(SeO3)2(OH)_6?H_2O的振动光谱研究

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摘要

Raman spectrum of the mineral derriksite Cu_4UO_2(SeO_3)_2(OH)_6?H_2O was studied and complemented by the infrared spectrum of this mineral.Both spectra were interpreted and partly compared with the spectra of demesmaekerite,marthozite,larisaite,haynesite and piretite.Observed Raman and infrared bands were attributed to the (UO_2)~(2+),(SeO3)~(2-),(OH)~-and H_2O vibrations.The presence of symmetrically distinct hydrogen bonded molecule of water of crystallization and hydrogen bonded symmetrically distinct hydroxyl ions was inferred from the spectra in the derriksite unit cell.Approximate U-O bond lengths in uranyl and O-H???O hydrogen bond lengths were calculated from the Raman and infrared spectra of derriksite.
机译:研究了矿化铜矿Cu_4UO_2(SeO_3)_2(OH)_6?H_2O的拉曼光谱,并用该矿物的红外光谱进行了补充。对这两种光谱进行了解释和部分比较,分别与脱美铁矿,马托石,拉来石,海铁矿和白铁矿的光谱进行了比较。观察到的拉曼光谱和红外光谱带归因于(UO_2)〜(2 +),(SeO3)〜(2-),(OH)〜-和H_2O振动。结晶水和氢的对称对称氢键分子的存在从该硅钙石晶胞中的光谱推断出键合的对称的不同的氢氧根离子。由该硅钙石的拉曼光谱和红外光谱计算出铀酰中的UO键长和OH -O氢键长。

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