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Characterization of a Monomeric, Homoleptic, Solvent-Free Samarium Bis(aryloxide)
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2018-10-18 00:00:00 , DOI: 10.1021/acs.inorgchem.8b02677
Pei Zhao 1 , Qihao Zhu 1 , James C. Fettinger 1 , Philip Power 1
Affiliation  

The reaction of Sm[N(SiMe3)2]2(THF)2 with 2 equiv of the bulky aryloxide ligand HOAriPr6 [AriPr6 = −C6H3-2,6-(C6H2-2,4,6-iPr3)2] afforded the first monomeric homoleptic solvent-free bis(aryloxide) lanthanide complex Sm(OAriPr6)2. The complex was characterized by crystallography and UV–visible and IR spectroscopy and magnetically by Evans’ method. The O–Sm–O angle is highly bent at 111.08(9)°. The samarium ion in Sm(OAriPr6)2 also displays close contacts with the flanking aryl rings of the terphenyloxide ligands. The complex is paramagnetic at room temperature with a magnetic moment of 3.51 μB.

中文翻译:

单体,均质,无溶剂的Bi(芳基氧化物)的表征

Sm [N(SiMe 32 ] 2(THF)2与2当量的大体积芳氧基配体HOAr i Pr6 [Ar i Pr6 = -C 6 H 3 -2,6-,(C 6 H 2 -2) ,4,6-32 ],得到的第一单体均配型无溶剂双(芳氧基)镧系元素络合物的Sm(OARPR62。该复合物的特征在于晶体学,紫外可见光谱和红外光谱,以及磁化特征在于埃文斯的方法。O–Sm–O角度高度弯曲为111.08(9)°。Sm(OAr i Pr62中的sa离子还显示出与三苯氧基配体的侧基芳环紧密接触。复杂的是在室温下用3.51μ的磁矩顺磁性
更新日期:2018-10-18
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