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arXiv 1206.6683physics.chem-ph
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高自旋低自旋跃迁

High-spin low-spin transition

H. Grünsteudel, H. Paulsen, H. Winkler, A. X. Trautwein, H. Toftlund

摘要:

利用同步辐射的变温核非弹性散射(NIS)研究了自旋交叉配合物[Fe(tpa)(NCS)(2)](tpa =三(2-吡啶甲基)胺)的两种自旋态.铁配位体键拉伸自旋交叉时的显着增加已明确确定通过比较测得的NIS光谱与基于密度泛函计算的理论模拟。

英文摘要:

Temperature dependent nuclear inelastic-scattering (NIS) of synchrotron radiation was applied to investigate both spin states of the spin-crossover complex [Fe(tpa)(NCS)(2)] (tpa = tris(2-pyridylmethyl)amine). A remarkable increase of the iron-ligand bond stretching upon spin crossover has unambiguously been identified by comparing the measured NIS spectra with theoretical simulations based on density-functional calculations.

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