Novel co-crystals with π-hole interactions between iodide anions and quinoid rings involving charge transfer

被引：1

作者：

Milasinovic, Valentina ^{[1
]}

Molcanov, Kresimir ^{[1
]}

机构：

[1] Rudjer Boskovic Inst, Bijenicka 54, HR-10000 Zagreb, Croatia

来源：

CRYSTENGCOMM | 2021年 / 23卷 / 46期

关键词：

COMPLEXES; SIGMA; NONCOVALENT; STACKING;

D O I：

10.1039/d1ce01156a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Six novel co-crystals of tetrabromoquinone with iodide salts of organic cations displaying short contacts between iodide anions and the quinoid rings have been structurally characterised. Sandwich-like groups I-MIDLINE HORIZONTAL ELLIPSISquinoneMIDLINE HORIZONTAL ELLIPSISI- are present in all of them; competition of this motif with halogen bonding has been described for the first time. The black colour of the crystals indicates charge transfer from the iodide to the quinoid ring, which is interpreted as n -> pi*. Intermolecular interactions were analysed using Hirshfeld surfaces and Voronoi-Dirichlet polyhedra.

引用

页码：8209 / 8214

页数：6

共 41 条

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