Infrared Spectroscopic Studies of Mono-,Di-,and Trihydrido C-H Insertion Complexes Formed in Reaction of Ethylene with Laser-Ablated Hafnium Atoms and Isolated in a Solid Argon Matrix

Han-Gook Cho; lester Andrews

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Infrared Spectroscopic Studies of Mono-,Di-,and Trihydrido C-H Insertion Complexes Formed in Reaction of Ethylene with Laser-Ablated Hafnium Atoms and Isolated in a Solid Argon Matrix

机译：乙烯与激光烧蚀Ha原子反应并在固态氩气基质中分离的单，二和三氢C-H插入配合物的红外光谱研究

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The C-H insertion reaction of laser-ablated Hf atoms with ethylene in excess argon has been carried out during codeposition at 7 K,and the reaction products have been investigated by means of infrared spectroscopy.Parallel to the case of Zr,mono-,di-,and trihydrido C-H insertion complexes are identified.Among them,the mono-and dihydrido C-H insertion complexes are reaction intermediates of hydrogen elimination from ethylene by second-row transition-metal atoms presumed in previous reaction dynamics studies.The higher Hf-H stretching frequencies and shorter Hf-H and C-Hf bond lengths of the hafnium C-H insertion products than those of the zirconium products are attributed to the shortened bonds of the heavier metal atom by relativistic effects.

机译：激光烧蚀的Hf原子与乙烯在过量的氩气中的CH插入反应已在7 K的共沉积过程中进行，并且已通过红外光谱研究了反应产物。与Zr，mono-，di-其中，一氢和二氢CH插入配合物是先前反应动力学研究中推测的通过第二行过渡金属原子从乙烯除氢的反应中间体。Hf-H拉伸频率越高CH插入产物的Hf-H和C-Hf键长度比锆产物短，这是由于相对论效应导致重金属原子的键合缩短。

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《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |2004年第47期|共7页
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Han-Gook Cho; lester Andrews;
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1. Infrared Spectroscopic Studies of Mono-,Di-,and Trihydrido C-H Insertion Complexes Formed in Reaction of Ethylene with Laser-Ablated Hafnium Atoms and Isolated in a Solid Argon Matrix [J] . Han-Gook Cho, lester Andrews The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2004,第47期

机译：乙烯与激光烧蚀Ha原子反应并在固态氩气基质中分离的单，二和三氢C-H插入配合物的红外光谱研究
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3. Hydrogen Elimination from Ethylene by Laser-Ablated Zr Atoms: An Infrared Spectroscopic Investigation of the Reaction Intermediates in a Solid Argon Matrix [J] . Han-Gook Cho, Lester Andrews The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2004,第18期

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Infrared Spectroscopic Studies of Mono-,Di-,and Trihydrido C-H Insertion Complexes Formed in Reaction of Ethylene with Laser-Ablated Hafnium Atoms and Isolated in a Solid Argon Matrix

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