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5,5'-硒代双(2-羟基苯甲醛)

5,5'-Seleno-bis-(2-hy-droxy-benzaldehyde).

作者信息

Wu Ming-Hu, Liu Wen-Ju

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2011 Nov;67(Pt 11):o2983. doi: 10.1107/S1600536811042097. Epub 2011 Oct 22.

DOI:10.1107/S1600536811042097
PMID:22220003
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3247385/
Abstract

In the title mol-ecule, C(14)H(10)O(4)Se, the dihedral angle between the two benzene rings is 74.6 (1)°. Both hy-droxy-benzaldehyde groups form intra-molecular O-H⋯O hydrogen bonds. In the crystal, pairs of mol-ecules are linked by pairs of weak C-H⋯π(arene) inter-actions, forming centrosymmetric dimers. In addition, mol-ecules are linked by π-π stacking inter-actions, with a centroid-centroid distance of 3.785 (2) Å, forming chains along the c axis.

摘要

在标题分子C₁₄H₁₀O₄Se中,两个苯环之间的二面角为74.6 (1)°。两个羟基苯甲醛基团均形成分子内O-H⋯O氢键。在晶体中,分子对通过成对的弱C-H⋯π(芳烃)相互作用相连,形成中心对称二聚体。此外,分子通过π-π堆积相互作用相连,质心间距为3.785 (2) Å,沿c轴形成链状结构。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cd6/3247385/333bfb4a1e9f/e-67-o2983-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cd6/3247385/e368e84e8b82/e-67-o2983-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cd6/3247385/43068c5e4e79/e-67-o2983-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cd6/3247385/333bfb4a1e9f/e-67-o2983-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cd6/3247385/e368e84e8b82/e-67-o2983-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cd6/3247385/43068c5e4e79/e-67-o2983-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cd6/3247385/333bfb4a1e9f/e-67-o2983-fig3.jpg

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本文引用的文献

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A short history of SHELX.SHELX简史。
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