基于八溴功能化柱烯包合物的Br·⋅⋅Br和Br·⋅⋅H非键相互作用驱动的线性超分子聚合物

IF 0.4 4区化学 Q4 CRYSTALLOGRAPHY

Journal of Chemical Crystallography Pub Date : 2022-03-22 DOI:10.1007/s10870-022-00936-2

Mickey Vinodh, Talal F. Al-Azemi

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引用次数: 2

摘要

讨论了基于八溴功能化柱[5]芳烃(PilBr8)和客体1-溴辛烷(OctBr)分子的大环主体包合物的共晶结构。主客体相互作用是通过高效的C-H⋅⋅O和C-H⋅⋅π非键相互作用实现的。晶体结构的排列模式表明，包合物[PilBr8、OctBr]在Br⋅⋅⋅H和Br⋅⋅⋅Br非键相互作用的驱动下形成了一维超分子聚合物网络。Hirshfeld表面分析表明，客体分子在通过头尾卤素键(Br⋅⋅⋅H)形成自组装的线性超分子聚合物中起重要作用。摘要基于溴功能化柱[5]芳烃与1-溴辛烷的络合物共晶显示了卤素键作用促进的线性超分子聚合物的组装。

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Linear Supramolecular Polymer Driven by Br⋅⋅⋅Br and Br⋅⋅⋅H Non-bonding Interactions Based on Inclusion-Complex of Octabromo-Functionalized Pillar[a]rene

Co-crystal structure of inclusion complex based on macrocyclic host of octabromo-functionalized pillar[5]arene (PilBr8) and guest 1-bromooctane (OctBr) molecule is discussed. The host-guest interactions are achieved by efficient C–H⋅⋅⋅O and C–H⋅⋅⋅π nonbonding interactions. The packing pattern of the crystal structure shows the inclusion-complex [PilBr8⊃OctBr] formed one-dimensional supramolecular polymer network driven by Br⋅⋅⋅H and Br⋅⋅⋅Br non-bonding interactions. Hirshfeld surface analysis revealed that the guest molecule plays an important role in formation of self-assembled linear supramolecular polymer trough head-to-tail halogen bond (Br⋅⋅⋅H).

Graphical Abstract

Co-crystal of inclusion complex based on bromo-functionlized pillar[5]arene with 1-bromooctane displays the assembly of linear supramolecular polymer promoted by halogen-bonding interactions.

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来源期刊

Journal of Chemical Crystallography 化学-光谱学

CiteScore

1.50

自引率

12.50%

发文量

审稿时长

6.3 months

期刊介绍： Journal of Chemical Crystallography is an international and interdisciplinary publication dedicated to the rapid dissemination of research results in the general areas of crystallography and spectroscopy. Timely research reports detail topics in crystal chemistry and physics and their relation to problems of molecular structure; structural studies of solids, liquids, gases, and solutions involving spectroscopic, spectrometric, X-ray, and electron and neutron diffraction; and theoretical studies.