基于中性n1，n1 -二甲基- n2 -（吡啶-2-基甲基）乙烷-1,2-二胺配体的铜（II）配合物和加合物的两种晶体结构。

IF 0.6 Q4 CRYSTALLOGRAPHY

Acta Crystallographica Section E: Crystallographic Communications Pub Date : 2025-08-01 DOI:10.1107/S2056989025006000

Basam M. Alzoubi , Carola Schulzke

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引用次数: 0

摘要

二水合氯化铜（II）与n1，n1 -二甲基- n2 -（吡啶-2-基甲基）乙烷-1,2-二胺（记N^N^N）反应，形成了由3种不同配合物组成的新物质，即水氯-[n1，n1 -二甲基- n2 -（吡啶-2-基甲基）乙烷-1,2-二胺-κ 3n，N‘，N’]铜（II）氯-[n1，n1 -二甲基- n2 -（吡啶-2-基甲基）乙烷-1,2-二胺-κ 3n，N‘，N’]铜（II）四氯铜酸盐（II）。[CuCl(C10H17N3)(H2O)][CuCl(C10H17N3)][CuCl4]或[Cu(N^N^N)(H2O)Cl][Cu(N^N^N)Cl2][CuCl4]，后两者形成加合物。该配合物与硫氰酸铵反应生成[Cu(N^N^N)(NCS)2]，在不对称单元中由两个独立分子和部分水结晶，与已报道的该化合物的结构非常相似。这两种晶体结构都表现出相当复杂的分子间相互作用，包括氢键和所谓的硫键、烟键和/或造币键。详细讨论了分子结构，分子内相互作用和包装模式，并将更不寻常的结构设置为文献中可用的结构。

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Two crystal structures of copper(II) complexes and adducts based on the neutral N1,N1-dimethyl-N2-(pyridin-2-ylmethyl)ethane-1,2-diamine ligand

Two crystal structures of copper(II) complexes with a tridentate ligand are reported, new [Cu(N^N^N)(H₂O)Cl][Cu(N^N^N)Cl₂][CuCl₄] and already known [Cu(N^N^N)(NCS)₂]·0.3 H₂O, (N^N^N = N¹,N¹-dimethyl-N²-(pyridin-2-ylmethyl)ethane-1,2-diamine), which exhibit a considerable range of intermolecular interactions and notable packing patterns that are being discussed.

From the reaction of copper(II) chloride dihydrate with N¹,N¹-dimethyl-N²-(pyridin-2-ylmethyl)ethane-1,2-diamine (denoted N^N^N) a new species comprising three distinct complexes crystallized, namely, aquachlorido[N¹,N¹-dimethyl-N²-(pyridin-2-ylmethyl)ethane-1,2-diamine-κ³N,N′,N′′]copper(II)chlorido[N¹,N¹-dimethyl-N²-(pyridin-2-ylmethyl)ethane-1,2-diamine-κ³N,N′,N′′]copper(II) tetrachloridocuprate(II), [CuCl(C₁₀H₁₇N₃)(H₂O)][CuCl(C₁₀H₁₇N₃)][CuCl₄] or [Cu(N^N^N)(H₂O)Cl][Cu(N^N^N)Cl₂][CuCl₄], the latter two of which form an adduct. This complex was reacted with ammonium thiocyanate to form [Cu(N^N^N)(NCS)₂], which crystallized with two independent molecules and a partial water in the asymmetric unit very similarly to the already reported structure of this compound. Both crystal structures show a rather complex set of intermolecular interactions including hydrogen bonding and what may be described as chalcogen bonding, pnictogen bonding and/or coinage bonding. The molecular structures, intramolecular interactions and packing patterns are discussed in detail and the more unusual ones are set into the context of structures available in the literature.

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来源期刊

Acta Crystallographica Section E: Crystallographic Communications Chemistry-Chemistry (all)

CiteScore

1.90

自引率

0.00%

发文量

351

审稿时长

3 weeks

期刊介绍： Acta Crystallographica Section E: Crystallographic Communications is the IUCr''s open-access structural communications journal. It provides a fast, simple and easily accessible publication mechanism for crystal structure determinations of inorganic, metal-organic and organic compounds. The electronic submission, validation, refereeing and publication facilities of the journal ensure rapid and high-quality publication of fully validated structures. The primary article category is Research Communications; these are peer-reviewed articles describing one or more structure determinations with appropriate discussion of the science.