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Distorted Copper(II) Complex with Unusually Short CF···Cu Distances
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2021-09-21 , DOI: 10.1021/acs.inorgchem.1c01958
Claire C Cody 1 , H Ray Kelly 1 , Brandon Q Mercado 2 , Victor S Batista 1 , Robert H Crabtree 1 , Gary W Brudvig 1
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We find a Cu(II)-(L-CF3)2 complex (L-CF3 = 2,2,2-trifluoro-N-[2-(pyridin-2-yl)propan-2-yl]acetamide) with a distorted “seesaw” geometry. It has the shortest crystallographic CF···Cu distances yet reported, to the best of our knowledge (<2.6 Å), for which computational and experimental data indicate a secondary bonding interaction. A comparison with a CCl3 version and one without ligand backbone gem-dimethyl groups suggests a steric origin for the distorted geometry, resulting from the specific ligand interactions.

中文翻译:

具有异常短CF···Cu距离的扭曲铜(II)配合物

我们发现了一个 Cu(II)-( L-CF 3 ) 2复合物 ( L-CF 3 = 2,2,2-trifluoro- N -[2-(pyridin-2-yl)propan-2-yl]乙酰胺)具有扭曲的“跷跷板”几何形状。据我们所知,它具有最短的晶体 CF···Cu 距离,据我们所知(<2.6 Å),其计算和实验数据表明存在二次键合相互作用。与 CCl 3版本和没有配体主链gem-二甲基基团的版本的比较表明扭曲几何的空间起源,由特定的配体相互作用引起。
更新日期:2021-10-04
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