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Molecular structure of [(Bu-t)(2)Al(mu-OC6H4-2-Me)](2)

机译:[(Bu-t)(2)Al(mu-OC6H4-2-Me)](2)的分子结构

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The molecular structure of [(Bu-t)(2)Al(μ-OC6H5-2-Me)](2) has been determined. Both the ortho-tolyl methyl groups are oriented towards Al(2). The intramolecular steric interaction between the ortho-methyl groups and the tert-butyl ligands results in the geometry about the bridging oxygen being significantly distorted while the geometries about the aluminum centers show a distortion from tetrahedral that is less than the sterically less hindered [(Bu-t)(2)Al(μ-OPh)](2). Crystal data: group C2/c, a = 13.733( 3) &ANGS;, b = 15.135( 3) &ANGS;, c = 15.420( 3) &ANGS;, β = 104.24( 3)°, V = 3106( 1) &ANGS;(3), Z = 4, R = 0.0612, wR(2) = 0.1787.
机译:已确定[(Bu-t)(2)Al(μ-OC6H5-2-Me)](2)的分子结构。两个邻甲苯基甲基都面向Al(2)。邻甲基和叔丁基配体之间的分子内空间相互作用导致桥联氧的几何构型显着扭曲,而铝中心的几何构型显示出四面体的扭曲小于受位阻较小的[[Bu -t)(2)Al(μ-OPh)](2)。晶体数据:C2 / c组,a = 13.733(3)&ANGS ;, b = 15.135(3)&ANGS ;, c = 15.420(3)&ANGS ;,β= 104.24(3)&DEG ;, V = 3106(1) (3),Z = 4,R = 0.0612,wR(2)= 0.1787。

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