Infrared spectroscopic and theoretical study of the reactions of cerium atoms with methanol in solid argon

Infrared spectroscopic and theoretical study of the reactions of cerium atoms with methanol in solid argon
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固体氩中铈原子与甲醇反应的红外光谱及理论研究

DOI:
10.1016/j.jms.2014.12.013
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发表时间:
2015-04
影响因子:
1.4
通讯作者:
Yuzhen Li, Yu Gong, Xiaojie Zhou, Jing Su, Jun Li*
Yuzhen Li, Yu Gong, Xiaojie Zhou, Jing Su, Jun Li*
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
李隽;Yuzhen Li, Yu Gong, Xiaojie Zhou, Jing Su, Jun Li*

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采用基质隔离红外吸收光谱和密度泛函理论计算研究了铈金属原子与甲醇的反应。在基态铈金属原子与甲醇反应时,在固体氩气中退火时自发形成插入中间体CH 3OCeH。进一步的样品退火允许CH3OCeH与另一个甲醇分子反应形成H2和Ce(OCH3)2。在紫外可见光照射下,二价Ce(OCH 3)2分子可进一步异构化为更稳定的四价CH 3 OCe(O)CH 3异构体。通过同位素取代和振动频率计算确定产物种类。
Reactions of cerium metal atoms with methanol are investigated using matrix isolation infrared absorption spectroscopy and density functional theoretical calculations. Upon reaction of the ground state cerium metal atoms with methanol, the insertion intermediate CH3OCeH is formed spontaneously on annealing in solid argon. Further sample annealing allows the reaction of CH3OCeH with another methanol molecule to form H2and Ce(OCH3)2. The divalent Ce(OCH3)2molecule can further isomerize to the more stable tetravalent CH3OCe(O)CH3isomer under UV–visible irradiation. The product species are identified via isotopic substitutions and vibrational frequency calculations.
DOI: 10.1080/01442350701685946
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期刊: The journal of physical chemistry. A
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