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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Matrx-Isolation FTIR Spectroscopic and DFT Studies of the XMNN (X=Cl, Br, M=Cu, Ni) Molecules
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Matrx-Isolation FTIR Spectroscopic and DFT Studies of the XMNN (X=Cl, Br, M=Cu, Ni) Molecules

机译:XMNN(X = Cl,Br,M = Cu,Ni)分子的Matrx隔离FTIR光谱和DFT研究

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摘要

The ClCuN, BrCuNN, and ClNiNN molecules have been prepared and isolated in solid argon by co-condensation of the species generated from 1064 nm laser ablation of copper or nickel halides with N_2/Ar gas mixtures. On the basis of isotopic substituted experiments and density functional theory calculations, infrared absorptions at 2296.3, 2297.8, and 2246.3 cm~(-1) are assigned to the N-N stretching vibrations of the linear molecules, ClCuNN, BrCuNN, and ClNiNN in solid argon, respectively. The binding energies for ClCuNN, BrCuNN, and ClNiNN with respect to MX (M=Cu, Ni, X-Cl, Br) and N_2 were computationally estimated to be 20.4, 18.7, and 18.9 kcal/mol, respectively.
机译:通过将由铜或镍卤化物与N_2 / Ar气体混合物的1064 nm激光烧蚀所产生的物质共缩合,可以制备并分离出CuCuN,BrCuNN和ClNiNN分子并将其分离在固体氩气中。根据同位素替代实验和密度泛函理论计算,将在固态氩中线性分子ClCuNN,BrCuNN和ClNiNN的NN拉伸振动分配给在2296.3、2297.8和2246.3 cm〜(-1)处的红外吸收,分别。 ClCuNN,BrCuNN和ClNiNN相对于MX(M = Cu,Ni,X-Cl,Br)和N_2的结合能经计算分别估计为20.4、18.7和18.9 kcal / mol。

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