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Theoretical modeling of argentophilic interactions in [Ag(CN)2-]3 trimer found in a copper(II) complex of cis-1,2-diaminocyclohexane (Dach), [Cu(Dach)2-Ag(CN)2-Cu(Dach)2][Ag(CN)2]3
Chemical Physics Letters ( IF 2.8 ) Pub Date : 2018-08-14 , DOI: 10.1016/j.cplett.2018.08.034
Mariusz Michalczyk , Wiktor Zierkiewicz , Piotr Drożdżewski , Sidra Nawaz , Muhammad Monim-ul-Mehboob , Saeed Ahmad

Crystal structure study of a copper(II) complex of cis-1,2-diaminocyclohexane (Dach), [Cu(Dach)2-Ag(CN)2-Cu(Dach)2][Ag(CN)2]3 (1) reveals the presence of unsupported Ag···Ag···Ag interactions with the interatomic Ag···Ag distance of 3.230 Å. Detailed HF, MP2 and BLYP-D3 theoretical investigations of [Ag(CN)2-]3 trimer, together with AIM, NCI and EDA analyses verified these interactions as noncovalent Ag-Ag bonds with the magnitude of a weak hydrogen bond, mainly electrostatically and dispersively driven.



中文翻译:

在argentophilic相互作用的理论模型将[Ag(CN)2 - ] 3在铜三聚体中发现(II)配合物的顺式-1,2-二氨基环己烷环己烷(DACH),[Cu(上达赫)2 -Ag(CN)2 -Cu (Dach)2 ] [Ag(CN)2 ] 3

铜的晶体结构的研究(II)配合物的顺式-1,2-二氨基环己烷环己烷(DACH),[Cu(上达赫)2 -Ag(CN)2 -Cu环己烷(DACH)2 ]将[Ag(CN)2 ] 31)表明存在不支持的Ag···Ag···Ag相互作用,原子间的Ag···Ag距离为3.230Å。的详细HF,​​MP2和BLYP-D3理论研究将[Ag(CN)2 - ] 3三聚体,与AIM,NCI和EDA一起分析验证用弱氢键的大小,主要是静电这些相互作用作为非共价的Ag银键并分散地驱动。

更新日期:2018-08-15
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