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2,3,5-Trichloro-6-(2-diethylaminovinyl)-1,4-benzoquinone

✍ Scribed by Krivokapic, Alexander ;Anderson, Harry L.

Publisher: International Union of Crystallography
Year: 2002
Tongue: English
Weight: 155 KB
Volume: 58
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536802002283

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✦ Synopsis

We report the structure of the title compound, C 12 H 12 Cl 3 NO 2 , which belongs to a group of compounds called blue quinones. It is a remarkable near-IR dye with interest for non-linear optics. It crystallized in monoclinic space group P2 1 /a with one molecule in the asymmetric unit. The molecular structure is approximately planar and exhibits little bond-length alternation, indicating a high degree of charge-transfer from the amine lone pair to the quinone.

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✦ Synopsis

2,3,5-Trichloro-6-(2-diethylaminovinyl)-1,4-benzoquinone