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1,4-Bis[(2,6-dimethoxy-phen-yl)ethyn-yl]benzene.

ABSTRACT: The title compound, C(26)H(22)O(4), is a derivative of 1,4-bis-(phenyl-ethyn-yl)benzene substituted by four meth-oxy groups at the terminal benzene rings. The asymmetric unit consists of two half-molecules; one centrosymmetric molecule is planar but the other is non-planar, with dihedral angles of 67.7?(1)° between the central benzene ring and the terminal benzene rings. In the crystal structure, mol-ecules form a zigzag mol-ecular network due to ?-? [the inter-planar and centroid-centroid distances between the benzene rings are 3.50?(1) and 3.57?(1)?Å, respectively] and C-H?? inter-actions (2.75?Å). Introduction of the four meth-oxy groups results in the supra-molecular architecture.

SUBMITTER: Ono K 

PROVIDER: S-EPMC2961624 | biostudies-literature | 2008 May

REPOSITORIES: biostudies-literature

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1,4-Bis[(2,6-dimethoxy-phen-yl)ethyn-yl]benzene.

Ono Katsuhiko K   Tsukamoto Kenichi K   Tomura Masaaki M   Saito Katsuhiro K  

Acta crystallographica. Section E, Structure reports online 20080514 Pt 6

The title compound, C(26)H(22)O(4), is a derivative of 1,4-bis-(phenyl-ethyn-yl)benzene substituted by four meth-oxy groups at the terminal benzene rings. The asymmetric unit consists of two half-molecules; one centrosymmetric molecule is planar but the other is non-planar, with dihedral angles of 67.7 (1)° between the central benzene ring and the terminal benzene rings. In the crystal structure, mol-ecules form a zigzag mol-ecular network due to π-π [the inter-planar and centroid-centroid dista  ...[more]

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