Extended metal-atom chains with an inert second row transition metal: [Ru5(mu5-tpda)4X2] (tpda2- = tripyridyldiamido dianion, X = Cl and NCS) |
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Authors: | Yin Caixia Huang Gin-Chen Kuo Ching-Kuo Fu Ming-Dung Lu Hao-Cheng Ke Jhih-Hong Shih Kai-Neng Huang Yi-Lin Lee Gene-Hsiang Yeh Chen-Yu Chen Chun-hsien Peng Shie-Ming |
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Institution: | Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan, ROC. |
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Abstract: | EMACs (extended metal-atom chains) offer a unique platform for the exploration of metal-metal interactions. There has been significant advances on the synthesis of EMACs, such as lengthening the chains up to 11 metal atoms thus far, integrating naphthyridine moieties for tuning the charge carried at metal centers, and manipulation of metal-metal interactions. However, the metal centers in EMACs hitherto are limited to first row transition metals which are more labile than those relatively inert ones with electrons filled in the 4d and 5d shells. In this Communication, the synthesis, crystallographic, magnetic, and electrical conducting studies of Ru5(mu5-tpda)4Cl2] and Ru5(mu5-tpda)4(NCS)2], the first pentanuclear EMACs of second-row transition metal, are reported. |
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