含熔融螯合物和c6 -芳环的方形平面过渡金属配合物的平行堆叠相互作用。

IF 1.9 3区化学

Acta Crystallographica Section B-structural Science Pub Date : 2012-06-01 Epub Date: 2012-05-04 DOI:10.1107/S0108768112012281

Dušan N Sredojević, Dubravka Z Vojislavljević, Zoran D Tomić, Snezana D Zarić

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引用次数: 21

摘要

从剑桥结构数据库中，分析了五元和六元螯合环与C(6-芳烃)环(芳烃=芳烃)融合的方形平面过渡金属配合物晶体结构中的堆叠相互作用。最近的C(6-芳烃)-C(6-芳烃)和C(6-芳烃)-螯合物接触点之间的距离分布表明，在很大一部分分子间相互作用中，一个分子的C(6-芳烃)环比另一个分子的C(6-芳烃)环更接近螯合物。这些结果表明，C(6-芳)环可能更倾向于与螯合环形成堆叠接触。这种偏好是普遍存在的，并不取决于金属类型。

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Parallel stacking interactions in square-planar transition-metal complexes containing fused chelate and C6-aromatic rings.

Stacking interactions in the crystal structures of square-planar transition metal complexes from the Cambridge Structural Database with five- and six-membered chelate rings fused with C(6-arom) rings (arom = aromatic) were analyzed. The distribution of distances between the closest C(6-arom)-C(6-arom) and C(6-arom)-chelate contacts shows that in a large fraction of the intermolecular interactions the C(6-arom) ring of one molecule is closer to the chelate than to the C(6-arom) ring of the other molecule. These results indicate a possible preference of the C(6-arom) ring to form stacking contacts with the chelate rings. The preference is ubiquitous and does not depend on the metal type.

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来源期刊

Acta Crystallographica Section B-structural Science 化学-晶体学

自引率

5.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials publishes scientific articles related to the structural science of compounds and materials in the widest sense. Knowledge of the arrangements of atoms, including their temporal variations and dependencies on temperature and pressure, is often the key to understanding physical and chemical phenomena and is crucial for the design of new materials and supramolecular devices. Acta Crystallographica B is the forum for the publication of such contributions. Scientific developments based on experimental studies as well as those based on theoretical approaches, including crystal-structure prediction, structure-property relations and the use of databases of crystal structures, are published.