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Title
Japanese: 
English:Aluminum-Stabilized Low-Spin Iron(II) Hydrido Complexes of 1,4,7-Trimethyl-1,4,7-triazacyclononane 
Author
Japanese: 大石 理貴, 遠藤 東吾, 大嶋 正人, 鈴木 寛治.  
English: Masataka Oishi, Togo Endo, Masato Oshima, Hiroharu Suzuki.  
Language English 
Journal/Book name
Japanese: 
English:Inorganic Chemistry 
Volume, Number, Page Vol. 53        pp. 5100-5108
Published date May 6, 2014 
Publisher
Japanese: 
English:American Chemical Society 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
DOI https://doi.org/10.1021/ic500195q
Abstract We investigated herein the reactions of (Me3tacn)FeCln (1a: n = 3, 1b: n = 2) with common aluminum hydride reagents and a bulky dihydridoaluminate {Li(ether)2}{Al(OC6H3-2,6-tBu2)}(μ-H)2, which yielded the diamagnetic hydrido complexes 2−4 containing Fe(II) and Al(III). In particular, the use of divalent 1b afforded excellent isolated yields. The structures of 2−4 were determined using spectroscopic and crystallographic analyses. The crystal structures showed distorted octahedral Fe centers and fairly short Fe−Al distances [2.19−2.24 Å]. The structures of cation moiety 2 and neutral complex 4 were further probed using DFT calculations, which indicated a stable low-spin Fe(II) state and strongly electron-donating nature of the (Me3tacn)FeH3 fragment toward the Al(III) center.

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