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1,3-双(4-甲基苄基)嘧啶-2,4(1H,3H)-二酮

1,3-Bis(4-methyl-benz-yl)pyrimidine-2,4(1H,3H)-dione.

作者信息

Li Gong-Chun, Song Xiao-Ping, Zhang Li-Ke, Cui Jiao-Jiao, Yang Feng-Ling

机构信息

College of Chemistry and Chemical Engineering, Xuchang University, Xuchang, Henan Province 461000, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2009 Dec 19;66(Pt 1):o193. doi: 10.1107/S1600536809053586.

DOI:10.1107/S1600536809053586
PMID:21580077
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2980275/
Abstract

In the title mol-ecule, C(20)H(20)N(2)O(2), the central pyrimidine ring forms dihedral angles of 71.9 (1) and 69.8 (1)° with the two benzene rings. In the crystal, weak inter-molecular C-H⋯O hydrogen bonds link mol-ecules into centrosymmetric dimers. The crystal packing exhibits also π-π inter-actions as indicated by short distances of 3.674 (2) Å between the centroids of the pyrimidine rings of neighbouring mol-ecules.

摘要

在标题分子C(20)H(20)N(2)O(2)中,中心嘧啶环与两个苯环形成的二面角分别为71.9 (1)°和69.8 (1)°。在晶体中,弱的分子间C-H⋯O氢键将分子连接成中心对称的二聚体。如相邻分子嘧啶环质心之间3.674 (2) Å的短距离所示,晶体堆积还呈现π-π相互作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e433/2980275/66641814ebac/e-66-0o193-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e433/2980275/66641814ebac/e-66-0o193-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e433/2980275/66641814ebac/e-66-0o193-fig1.jpg

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本文引用的文献

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